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xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
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<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="BarChartHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="PerformanceTableHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
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<link:loc
xlink:label="S000004446Member"
xlink:type="locator"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004446Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
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<link:presentationLink
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xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
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<link:loc
xlink:label="ObjectivePrimaryTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004446Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004446Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004446Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
xlink:type="locator"
xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004447ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004447Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004447Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004447Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004447Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004447Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004447Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004447Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
xlink:type="locator"
xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004448ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004448Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004448Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004448Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004448Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004448Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004448Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004448Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
xlink:type="locator"
xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000018789ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000018789Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000018789Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000018789Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000018789Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000018789Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000018789Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000018789Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004449ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
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<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
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<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
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<link:loc
xlink:label="StrategyHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
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<link:loc
xlink:label="RiskHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
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<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="OperatingExpensesCaption"
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<link:presentationArc
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
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xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
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xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
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xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="StrategyNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="BarChartAndPerformanceTableHeading"/>
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004449Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004449Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004449Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
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xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004449Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
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<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
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<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004449Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004449Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004449Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
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xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004440Institutional"
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<link:loc
xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004440Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004440Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004440Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004440Participant"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004440Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004440Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004440Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ParticipantMember"
xlink:type="locator"
xlink:label="ParticipantMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004440Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004440Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004440Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004440Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
xlink:type="locator"
xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004450ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004450Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004450Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004450Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004450Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004450Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004450Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004450Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
xlink:type="locator"
xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004451ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004451Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004451Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004451Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004451Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004451Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004451Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004451Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
xlink:type="locator"
xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004452ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
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<link:loc
xlink:label="StrategyHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
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xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
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xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="RiskClosingTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartNarrativeTextBlock"/>
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004452Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004452Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004452Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004452Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
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<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004452Member"
xlink:type="locator"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004452Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
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xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
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<link:presentationLink
xlink:role="http://vanguard/role/S000004453Participant"
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<link:loc
xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004453Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004453Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004453Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ParticipantMember"
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xlink:label="ParticipantMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004453Participant2"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004453Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004453Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004453Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_Participant2Member"
xlink:type="locator"
xlink:label="Participant2Member"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004453Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004453Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004453Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004453Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
xlink:type="locator"
xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004441ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004441Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004441Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004441Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004441Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004441Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004441Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004441Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
xlink:type="locator"
xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000019700ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000019700Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000019700Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000019700Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000019700Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000019700Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000019700Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000019700Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000019698ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
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<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
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<link:loc
xlink:label="StrategyHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="OperatingExpensesCaption"
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<link:presentationArc
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
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xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
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xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
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xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
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xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="PerformanceTableHeading"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="PerformanceTableTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000019698Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000019698Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000019698Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000019698Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
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<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
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<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
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<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000019698Member"
xlink:type="locator"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000019698Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
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xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_InstitutionalMember"
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<link:presentationLink
xlink:role="http://vanguard/role/S000019699ETF"
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<link:loc
xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
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<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000019699Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000019699Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000019699Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
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xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000019699Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000019699Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000019699Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000019699Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004443ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004443Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004443Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004443Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004443Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004443Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004443Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000004443Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
xlink:type="locator"
xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004444Participant"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004444Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004444Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004444Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ParticipantMember"
xlink:type="locator"
xlink:label="ParticipantMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004444Participant2"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
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order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004444Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004444Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004444Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_Participant2Member"
xlink:type="locator"
xlink:label="Participant2Member"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004444Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004444Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004444Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004444Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
xlink:type="locator"
xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004445ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
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<link:loc
xlink:label="StrategyHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="StrategyNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="RiskClosingTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000004445Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004445Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004445Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000004445Retail"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="OperatingExpensesCaption"
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<link:presentationArc
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
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<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="RiskClosingTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="PerformanceTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:label="LegalEntityAxis"
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<link:loc
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<link:presentationArc
xlink:from="LegalEntityAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_S000018789Member"
xlink:type="locator"
xlink:label="S000018789Member"/>
<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_S000004449Member"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_S000004440Member"
xlink:type="locator"
xlink:label="S000004440Member"/>
<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_S000004450Member"
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xlink:label="S000004450Member"/>
<link:presentationArc
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xlink:to="S000004450Member"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_S000004451Member"
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xlink:href="world-20121227.xsd#vanguard_MSCIUSIMIHealthCare2550Member"/>
<link:presentationArc
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<link:loc
xlink:label="MSCIUSIMIIndustrials2550Member"
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xlink:href="world-20121227.xsd#vanguard_MSCIUSIMIIndustrials2550Member"/>
<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:label="MSCIUSIMIInformationTechnology2550Member"
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<link:presentationArc
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<link:loc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:label="MSCIUSIMITelecommunicationServices2550Member"
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xlink:href="world-20121227.xsd#vanguard_MSCIUSIMITelecommunicationServices2550Member"/>
<link:presentationArc
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xlink:to="MSCIUSIMITelecommunicationServices2550Member"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:label="MSCIUSIMIUtilities2550Member"
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<link:presentationArc
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<link:loc
xlink:label="SplicedUSIMIConsumerDiscretionary2550Member"
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xlink:href="world-20121227.xsd#vanguard_SplicedUSIMIConsumerDiscretionary2550Member"/>
<link:presentationArc
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xlink:to="SplicedUSIMIConsumerDiscretionary2550Member"
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<link:loc
xlink:label="SplicedUSIMIConsumerStaples2550Member"
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<link:presentationArc
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<link:loc
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<link:presentationArc
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<link:loc
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<link:presentationArc
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<link:loc
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<link:presentationArc
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<link:loc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:label="SplicedUSIMIInformationTechnology2550Member"
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<link:presentationArc
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<link:loc
xlink:label="SplicedUSIMIMaterials2550Member"
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<link:presentationArc
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<link:loc
xlink:label="SplicedUSIMITelecommunicationServices2550Member"
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xlink:href="world-20121227.xsd#vanguard_SplicedUSIMITelecommunicationServices2550Member"/>
<link:presentationArc
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xlink:to="SplicedUSIMITelecommunicationServices2550Member"
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<link:loc
xlink:label="SplicedUSIMIUtilities2550Member"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:label="SplicedInternationalIndexMember"
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xlink:href="world-20121227.xsd#vanguard_SplicedInternationalIndexMember"/>
<link:presentationArc
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xlink:to="SplicedInternationalIndexMember"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:from="PerformanceMeasureAxis"/>
<link:loc
xlink:label="DowJonesUSTotalStockMarketFloatAdjustedIMember"
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xlink:href="world-20121227.xsd#vanguard_DowJonesUSTotalStockMarketFloatAdjustedIMember"/>
<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationLink
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
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<link:presentationArc
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<link:loc
xlink:href="world-20121227.xsd#vanguard_ETFMember"
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<link:presentationArc
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xlink:to="InstitutionalMember"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_InstitutionalMember"
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<link:presentationArc
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xlink:to="ParticipantMember"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_ParticipantMember"
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<link:presentationArc
xlink:from="DocumentInformationDocumentAxis"
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xlink:to="Participant2Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_Participant2Member"
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xlink:label="Participant2Member"/>
<link:presentationArc
xlink:from="DocumentInformationDocumentAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RetailMember"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_RetailMember"
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xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
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xlink:role="http://vanguard/role/Supplement">
<link:loc
xlink:href="world-20121227.xsd#vanguard_SupplementTextBlock"
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<link:loc
xlink:type="locator"
xlink:label="SupplementAbstract"
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<link:presentationArc
xlink:from="SupplementAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:type="extended"
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xlink:type="locator"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004444Member"
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xlink:href="world-20121227.xsd#vanguard_S000004444Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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<link:presentationArc
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xlink:to="S000004444Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012210Member"
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xlink:label="C000012210Member"/>
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xlink:from="ProspectusShareClassAxis"
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xlink:href="world-20121227.xsd#vanguard_C000012211Member"
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xlink:from="ProspectusShareClassAxis"
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xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
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xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:label="S000004444Member"
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xlink:href="world-20121227.xsd#vanguard_C000012210Member"
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xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
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xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
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xlink:label="C000012211Member"/>
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xlink:from="ProspectusShareClassAxis"
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xlink:role="http://vanguard/role/S000018789ExpenseExampleNoRedemptionInstitutional">
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000018789Member"
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xlink:href="world-20121227.xsd#vanguard_S000018789Member"/>
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xlink:to="S000018789Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000051979Member"
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xlink:label="C000051979Member"/>
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xlink:from="ProspectusShareClassAxis"
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xlink:to="C000051979Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000051980Member"
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xlink:label="C000051980Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
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xlink:label="ExpenseExampleNoRedemptionYear10"
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<link:loc
xlink:label="S000018789Member"
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xlink:href="world-20121227.xsd#vanguard_S000018789Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000018789Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000051981Member"
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xlink:label="C000051981Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:label="ExpenseExampleNoRedemptionYear05"
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<link:loc
xlink:label="S000019698Member"
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xlink:href="world-20121227.xsd#vanguard_S000019698Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:to="S000019698Member"
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<link:loc
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xlink:label="C000055209Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
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xlink:label="ExpenseExampleNoRedemptionYear10"
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<link:loc
xlink:label="S000019700Member"
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xlink:href="world-20121227.xsd#vanguard_S000019700Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000019700Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000055215Member"
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xlink:label="C000055215Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:to="S000019699Member"
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xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:to="S000019698Member"
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xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
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xlink:label="S000019700Member"
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xlink:href="world-20121227.xsd#vanguard_S000019700Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000019700Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000055216Member"
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xlink:label="C000055216Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000055216Member"
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xlink:type="extended"
xlink:role="http://vanguard/role/S000019699ExpenseExampleNoRedemptionETF">
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xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000019699Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000019699Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionYear03"
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xlink:from="LegalEntityAxis"
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order="5.0"
xlink:to="S000019699Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000055213Member"
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xlink:label="C000055213Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:type="locator"/>
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
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xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004453Member"
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xlink:href="world-20121227.xsd#vanguard_S000004453Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004453Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012228Member"
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xlink:label="C000012228Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:to="C000012228Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012229Member"
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xlink:label="C000012229Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:type="locator"/>
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xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
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xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004453Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004453Member"/>
<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
priority="0"
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xlink:type="arc"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004453Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012228Member"
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xlink:label="C000012228Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012228Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
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xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004453Member"
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xlink:href="world-20121227.xsd#vanguard_S000004453Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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<link:presentationArc
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xlink:to="S000004453Member"
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<link:loc
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xlink:label="C000012229Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
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<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004446Member"
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xlink:href="world-20121227.xsd#vanguard_S000004446Member"/>
<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:to="S000004446Member"
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xlink:href="world-20121227.xsd#vanguard_C000012214Member"
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xlink:label="C000012214Member"/>
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xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
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xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
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xlink:label="S000004447Member"
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004447Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012216Member"
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xlink:label="C000012216Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:role="http://vanguard/role/S000004448ExpenseExampleNoRedemptionRetail">
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xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004448Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004448Member"/>
<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionYear03"
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionYear10"
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xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004448Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012218Member"
xlink:type="locator"
xlink:label="C000012218Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004449Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004449Member"/>
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order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:type="arc"
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xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004449Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012220Member"
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xlink:label="C000012220Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:type="locator"/>
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xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
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xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004450Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004450Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004450Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012222Member"
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xlink:label="C000012222Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:type="locator"/>
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xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004451Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004451Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004451Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012224Member"
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xlink:label="C000012224Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
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xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004452Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004452Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:to="S000004452Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012226Member"
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xlink:label="C000012226Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
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xlink:label="ExpenseExampleNoRedemptionYear10"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
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xlink:label="S000004441Member"
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xlink:href="world-20121227.xsd#vanguard_S000004441Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004441Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012205Member"
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xlink:label="C000012205Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:role="http://vanguard/role/S000004443ExpenseExampleNoRedemptionRetail">
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xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:type="locator"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
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xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004443Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004443Member"/>
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004443Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012208Member"
xlink:type="locator"
xlink:label="C000012208Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012208Member"
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xlink:type="extended"
xlink:role="http://vanguard/role/S000004445ExpenseExampleNoRedemptionRetail">
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004445Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004445Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004445Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012212Member"
xlink:type="locator"
xlink:label="C000012212Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012212Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000004446ExpenseExampleNoRedemptionETF">
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004446Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004446Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004446Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012215Member"
xlink:type="locator"
xlink:label="C000012215Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012215Member"
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<link:presentationLink
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xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004448Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004448Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
priority="0"
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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priority="0"
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xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004448Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012219Member"
xlink:type="locator"
xlink:label="C000012219Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012219Member"
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<link:presentationLink
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xlink:role="http://vanguard/role/S000004449ExpenseExampleNoRedemptionETF">
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004449Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004449Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004449Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012221Member"
xlink:type="locator"
xlink:label="C000012221Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012221Member"
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xlink:role="http://vanguard/role/S000004447ExpenseExampleNoRedemptionETF">
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xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004447Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004447Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004447Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012217Member"
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xlink:label="C000012217Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
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xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004450Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004450Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004450Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012223Member"
xlink:type="locator"
xlink:label="C000012223Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012223Member"
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xlink:role="http://vanguard/role/S000004451ExpenseExampleNoRedemptionETF">
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xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004451Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004451Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
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use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004451Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012225Member"
xlink:type="locator"
xlink:label="C000012225Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000012225Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000004445ExpenseExampleNoRedemptionETF">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004445Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004445Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004445Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012213Member"
xlink:type="locator"
xlink:label="C000012213Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012213Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000004443ExpenseExampleNoRedemptionETF">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004443Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004443Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004443Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012209Member"
xlink:type="locator"
xlink:label="C000012209Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012209Member"
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<link:presentationLink
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004441Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004441Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004441Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012206Member"
xlink:type="locator"
xlink:label="C000012206Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012206Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000004452ExpenseExampleNoRedemptionETF">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004452Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004452Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
priority="0"
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
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<link:presentationArc
priority="0"
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xlink:type="arc"
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xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
use="optional"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004452Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012227Member"
xlink:type="locator"
xlink:label="C000012227Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012227Member"
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xlink:role="http://vanguard/role/S000004440ExpenseExampleNoRedemptionRetail">
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004440Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004440Member"/>
<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionYear01"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:type="arc"
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<link:presentationArc
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xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004440Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012203Member"
xlink:type="locator"
xlink:label="C000012203Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:type="extended"
xlink:role="http://vanguard/role/S000004440ExpenseExampleNoRedemptionParticipant">
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:type="locator"/>
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xlink:label="ExpenseExampleNoRedemptionAbstract"
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
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xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
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xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004440Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004440Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:type="arc"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004440Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012203Member"
xlink:type="locator"
xlink:label="C000012203Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012203Member"
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xlink:type="extended"
xlink:role="http://vanguard/role/S000004440ExpenseExampleNoRedemptionInstitutional">
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000004440Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004440Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000004440Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012204Member"
xlink:type="locator"
xlink:label="C000012204Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000012204Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000004444OperatingExpensesRetail">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000004444Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004444Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component3OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_NetExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
use="optional"
xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
use="optional"
xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
use="optional"
xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="10.0"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="12.0"
xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="14.0"
xlink:to="S000004444Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012210Member"
xlink:type="locator"
xlink:label="C000012210Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="C000012210Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012211Member"
xlink:type="locator"
xlink:label="C000012211Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012211Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000004444OperatingExpensesParticipant">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000004444Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004444Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component3OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_NetExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
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xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
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xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004444Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012210Member"
xlink:type="locator"
xlink:label="C000012210Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012210Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000004444OperatingExpensesParticipant2">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000004444Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004444Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component3OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_NetExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
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xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
use="optional"
xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
use="optional"
xlink:to="AquiredFundFeesExpensesExcludingAFFE"
order="9.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="10.0"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
use="optional"/>
<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpensesOverAssets"
use="optional"/>
<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="12.0"
xlink:to="FeeWaiverOrReimbursementOverAssets"
use="optional"/>
<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="NetExpensesOverAssets"
use="optional"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="14.0"
xlink:to="S000004444Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012211Member"
xlink:type="locator"
xlink:label="C000012211Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012211Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000018789OperatingExpensesInstitutional">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000018789Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000018789Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component3OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_NetExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
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xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
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xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="12.0"
xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="14.0"
xlink:to="S000018789Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000051979Member"
xlink:type="locator"
xlink:label="C000051979Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="C000051979Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000051980Member"
xlink:type="locator"
xlink:label="C000051980Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000051980Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000018789OperatingExpensesETF">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000018789Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000018789Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component3OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_NetExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
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xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
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xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000018789Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000051981Member"
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xlink:label="C000051981Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000019698OperatingExpensesInstitutional">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
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<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000019698Member"
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xlink:href="world-20121227.xsd#vanguard_S000019698Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
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<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
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xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
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xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
use="optional"
xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="10.0"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="12.0"
xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="NetExpensesOverAssets"
use="optional"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="14.0"
xlink:to="S000019698Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000055209Member"
xlink:type="locator"
xlink:label="C000055209Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="C000055209Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000019700OperatingExpensesInstitutional">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000019700Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000019700Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component3OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_NetExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
use="optional"
xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
use="optional"
xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="10.0"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="14.0"
xlink:to="S000019700Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000055215Member"
xlink:type="locator"
xlink:label="C000055215Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000055215Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000019699OperatingExpensesInstitutional">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000019699Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000019699Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component3OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_NetExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
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xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
use="optional"
xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="10.0"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="14.0"
xlink:to="S000019699Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000055212Member"
xlink:type="locator"
xlink:label="C000055212Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000055212Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000019698OperatingExpensesETF">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000019698Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000019698Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_NetExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
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xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
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xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
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xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="10.0"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="14.0"
xlink:to="S000019698Member"
use="optional"/>
<link:loc
xlink:href="world-20121227.xsd#vanguard_C000055210Member"
xlink:type="locator"
xlink:label="C000055210Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000055210Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000019700OperatingExpensesETF">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000019700Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000019700Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
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xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000019700Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000055216Member"
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xlink:label="C000055216Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationLink
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:label="S000019699Member"
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xlink:href="world-20121227.xsd#vanguard_S000019699Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
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xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="NetExpensesOverAssets"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000019699Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000055213Member"
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xlink:label="C000055213Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:label="S000004453Member"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
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<link:loc
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xlink:label="Component1OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
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<link:loc
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xlink:label="Component3OtherExpensesOverAssets"
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<link:loc
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xlink:label="OtherExpensesOverAssets"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
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<link:loc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesOverAssets"
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<link:presentationArc
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000004453Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012228Member"
xlink:type="locator"
xlink:label="C000012228Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012228Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012229Member"
xlink:type="locator"
xlink:label="C000012229Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012229Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000004453OperatingExpensesParticipant">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000004453Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004453Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
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xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
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xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
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xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="10.0"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="12.0"
xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="14.0"
xlink:to="S000004453Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012228Member"
xlink:type="locator"
xlink:label="C000012228Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012228Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000004453OperatingExpensesParticipant2">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000004453Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004453Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component3OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="NetExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_NetExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesColumnName"
xlink:label="OperatingExpensesColumnName"
xlink:type="locator"/>
<link:loc
xlink:label="AquiredFundFeesExpensesExcludingAFFE"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_AquiredFundFeesExpensesExcludingAFFE"/>
<link:presentationArc
use="optional"
xlink:to="OperatingExpensesColumnName"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
use="optional"
xlink:to="ManagementFeesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionAndService12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="DistributionOrSimilarNon12b1FeesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="Component1OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="Component2OtherExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="Component3OtherExpensesOverAssets"
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<link:presentationArc
use="optional"
xlink:to="OtherExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="OperatingExpensesAbstract"/>
<link:presentationArc
use="optional"
xlink:to="AquiredFundFeesExpensesExcludingAFFE"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="10.0"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpensesOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="FeeWaiverOrReimbursementOverAssets"
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<link:presentationArc
xlink:from="OperatingExpensesAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="NetExpensesOverAssets"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="14.0"
xlink:to="S000004453Member"
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<link:loc
xlink:href="world-20121227.xsd#vanguard_C000012229Member"
xlink:type="locator"
xlink:label="C000012229Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000012229Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000004446OperatingExpensesRetail">
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:label="S000004446Member"
xlink:type="locator"
xlink:href="world-20121227.xsd#vanguard_S000004446Member"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesAbstract"
xlink:label="OperatingExpensesAbstract"
xlink:type="locator"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ManagementFeesOverAssets"
xlink:label="ManagementFeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="DistributionAndService12b1FeesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionAndService12b1FeesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_DistributionOrSimilarNon12b1FeesOverAssets"
xlink:label="DistributionOrSimilarNon12b1FeesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:label="Component1OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component1OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component2OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component2OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="Component3OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_Component3OtherExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="OtherExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OtherExpensesOverAssets"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_FeeWaiverOrReimbursementOverAssets"
xlink:label="FeeWaiverOrReimbursementOverAssets"
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<link:loc
xlink:type="locator"
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"/>
<link:loc
xlink:type="locator"
xlink:label="ExpensesOverAssets"
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