<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/BusinessAndIntangibleAssetAcquisitions" xlink:href="gpn-20121130.xsd#BusinessAndIntangibleAssetAcquisitions" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/BusinessAndIntangibleAssetAcquisitionsDetails" xlink:href="gpn-20121130.xsd#BusinessAndIntangibleAssetAcquisitionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/BusinessAndIntangibleAssetAcquisitionsProFormaInformationDetails" xlink:href="gpn-20121130.xsd#BusinessAndIntangibleAssetAcquisitionsProFormaInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/BusinessAndIntangibleAssetAcquisitionsTables" xlink:href="gpn-20121130.xsd#BusinessAndIntangibleAssetAcquisitionsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/CommitmentsAndContingencies" xlink:href="gpn-20121130.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ConsolidatedBalanceSheets" xlink:href="gpn-20121130.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="gpn-20121130.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/DocumentAndEntityInformationDocument" xlink:href="gpn-20121130.xsd#DocumentAndEntityInformationDocument" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/GoodwillAndIntangibleAssets" xlink:href="gpn-20121130.xsd#GoodwillAndIntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/GoodwillAndIntangibleAssetsDetails" xlink:href="gpn-20121130.xsd#GoodwillAndIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/GoodwillAndIntangibleAssetsGoodwillRollfowardDetails" xlink:href="gpn-20121130.xsd#GoodwillAndIntangibleAssetsGoodwillRollfowardDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/GoodwillAndIntangibleAssetsTables" xlink:href="gpn-20121130.xsd#GoodwillAndIntangibleAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/IncomeTaxes" xlink:href="gpn-20121130.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/IncomeTaxesDetails" xlink:href="gpn-20121130.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/LongTermDebtAndCreditFacilities" xlink:href="gpn-20121130.xsd#LongTermDebtAndCreditFacilities" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/LongTermDebtAndCreditFacilitiesDetails" xlink:href="gpn-20121130.xsd#LongTermDebtAndCreditFacilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/LongTermDebtAndCreditFacilitiesTables" xlink:href="gpn-20121130.xsd#LongTermDebtAndCreditFacilitiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/NoncontrollingInterests" xlink:href="gpn-20121130.xsd#NoncontrollingInterests" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/NoncontrollingInterestsDetails" xlink:href="gpn-20121130.xsd#NoncontrollingInterestsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/NoncontrollingInterestsReconciliationOfNetIncomeDetails" xlink:href="gpn-20121130.xsd#NoncontrollingInterestsReconciliationOfNetIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/NoncontrollingInterestsReconciliationOfNetIncomeToOtherComprehensiveIncomeDetails" xlink:href="gpn-20121130.xsd#NoncontrollingInterestsReconciliationOfNetIncomeToOtherComprehensiveIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/NoncontrollingInterestsTables" xlink:href="gpn-20121130.xsd#NoncontrollingInterestsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ProcessingSystemIntrusion" xlink:href="gpn-20121130.xsd#ProcessingSystemIntrusion" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ProcessingSystemIntrusionAccrualForFraudLossesFinesAndChargesDetails" xlink:href="gpn-20121130.xsd#ProcessingSystemIntrusionAccrualForFraudLossesFinesAndChargesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ProcessingSystemIntrusionDetails" xlink:href="gpn-20121130.xsd#ProcessingSystemIntrusionDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ProcessingSystemIntrusionProcessingSystemIntrusionTables" xlink:href="gpn-20121130.xsd#ProcessingSystemIntrusionProcessingSystemIntrusionTables" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SegmentInformation" xlink:href="gpn-20121130.xsd#SegmentInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SegmentInformationDetails" xlink:href="gpn-20121130.xsd#SegmentInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SegmentInformationTables" xlink:href="gpn-20121130.xsd#SegmentInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ShareBasedAwardsAndOptionStockOptionsDetails" xlink:href="gpn-20121130.xsd#ShareBasedAwardsAndOptionStockOptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ShareBasedAwardsAndOptions" xlink:href="gpn-20121130.xsd#ShareBasedAwardsAndOptions" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ShareBasedAwardsAndOptionsDetails" xlink:href="gpn-20121130.xsd#ShareBasedAwardsAndOptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ShareBasedAwardsAndOptionsRestrictedStockAndEmployeeStockPurchasePlanDetails" xlink:href="gpn-20121130.xsd#ShareBasedAwardsAndOptionsRestrictedStockAndEmployeeStockPurchasePlanDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ShareBasedAwardsAndOptionsTables" xlink:href="gpn-20121130.xsd#ShareBasedAwardsAndOptionsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ShareholdersEquity" xlink:href="gpn-20121130.xsd#ShareholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/ShareholdersEquityDetails" xlink:href="gpn-20121130.xsd#ShareholdersEquityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SubsequentEvents" xlink:href="gpn-20121130.xsd#SubsequentEvents" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SubsequentEventsDetails" xlink:href="gpn-20121130.xsd#SubsequentEventsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="gpn-20121130.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:href="gpn-20121130.xsd#SummaryOfSignificantAccountingPoliciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="gpn-20121130.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPoliciesSettlementProcessingAssetsAndLiabilitiesDetails" xlink:href="gpn-20121130.xsd#SummaryOfSignificantAccountingPoliciesSettlementProcessingAssetsAndLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="gpn-20121130.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPoliciesWeightedAverageSharesOutstandingDetails" xlink:href="gpn-20121130.xsd#SummaryOfSignificantAccountingPoliciesWeightedAverageSharesOutstandingDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SupplementalCashFlowInformation" xlink:href="gpn-20121130.xsd#SupplementalCashFlowInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SupplementalCashFlowInformationDetails" xlink:href="gpn-20121130.xsd#SupplementalCashFlowInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/SupplementalCashFlowInformationTables" xlink:href="gpn-20121130.xsd#SupplementalCashFlowInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfCashFlows" xlink:href="gpn-20121130.xsd#UnauditedConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfChangesInEquity" xlink:href="gpn-20121130.xsd#UnauditedConsolidatedStatementsOfChangesInEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfChangesInEquityParenthetical" xlink:href="gpn-20121130.xsd#UnauditedConsolidatedStatementsOfChangesInEquityParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfComprehensiveIncome" xlink:href="gpn-20121130.xsd#UnauditedConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfIncome" xlink:href="gpn-20121130.xsd#UnauditedConsolidatedStatementsOfIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfIncomeParenthetical" xlink:href="gpn-20121130.xsd#UnauditedConsolidatedStatementsOfIncomeParenthetical" xlink:type="simple" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/BusinessAndIntangibleAssetAcquisitions" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/BusinessAndIntangibleAssetAcquisitionsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_082aa7ca-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="gpn-20121130.xsd#gpn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:label="loc_gpn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_d511d1f2-59a8-11e2-a043-12313d1f36c6" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_082aa7ca-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_d511d1f2-59a8-11e2-a043-12313d1f36c6" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities" xlink:label="loc_gpn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_14d29420-59a9-11e2-a043-12313d1f36c6" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_082aa7ca-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_14d29420-59a9-11e2-a043-12313d1f36c6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_057819ea-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_082aa7ca-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_057819ea-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/BusinessAndIntangibleAssetAcquisitionsProFormaInformationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/BusinessAndIntangibleAssetAcquisitionsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_e5378c74-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_e5378c74-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_e2791aa2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_e2791aa2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_0d60ad7a-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_0d60ad7a-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SettlementAssetsCurrent" xlink:label="loc_us-gaap_SettlementAssetsCurrent_0c3ae5fa-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_SettlementAssetsCurrent_0c3ae5fa-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_ee7eb460-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_InventoryNet_ee7eb460-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetCurrent_e77ca6c2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsNetCurrent_e77ca6c2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_089fff02-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_f8ae30dc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_089fff02-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_edd3f2e6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_Goodwill_edd3f2e6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_edcf1a64-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_edcf1a64-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetNoncurrent_fb6cb6a4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsNetNoncurrent_fb6cb6a4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_ff39e37e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_ff39e37e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="loc_us-gaap_LinesOfCreditCurrent_ef271c7c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LinesOfCreditCurrent_ef271c7c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_LongTermDebtCurrentMaturitiesExcludingLinesOfCredit" xlink:label="loc_gpn_LongTermDebtCurrentMaturitiesExcludingLinesOfCredit_fdca14f8-edeb-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_LongTermDebtCurrentMaturitiesExcludingLinesOfCredit_fdca14f8-edeb-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_RedeemableNoncontrollingInterestCommitmentToPurchase" xlink:label="loc_gpn_RedeemableNoncontrollingInterestCommitmentToPurchase_5fe01004-0423-11e2-9a29-22000a1cf22c" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_RedeemableNoncontrollingInterestCommitmentToPurchase_5fe01004-0423-11e2-9a29-22000a1cf22c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_07c50a3c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_07c50a3c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SettlementLiabilitiesCurrent" xlink:label="loc_us-gaap_SettlementLiabilitiesCurrent_0c3b7a38-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_SettlementLiabilitiesCurrent_0c3b7a38-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_05bc0e3e-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_e70775a0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_05bc0e3e-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_e8139d70-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_e8139d70-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_efc6161a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_efc6161a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_faebbfcc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_faebbfcc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TemporaryEquityCarryingAmount" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmount_fd9b42ec-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmount_fd9b42ec-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_06160e84-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_06160e84-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_06160e84-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_e31ad9d2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AdditionalPaidInCapital_e31ad9d2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f62c5e7e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f62c5e7e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_e2cdfc7a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_e2cdfc7a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_013e5e20-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PreferredStockValue_013e5e20-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_f05708b4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_06160e84-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_MinorityInterest_f05708b4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_0628718c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CommitmentsAndContingencies_0628718c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/DocumentAndEntityInformationDocument" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/GoodwillAndIntangibleAssets" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/GoodwillAndIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_edd1cd86-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_e2cbd8dc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_edd1cd86-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_e2cbd8dc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_edd0f4f6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_edd1cd86-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_edd0f4f6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/GoodwillAndIntangibleAssetsGoodwillRollfowardDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_edd3f2e6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillGross" xlink:label="loc_us-gaap_GoodwillGross_0ac5a49e-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_edd3f2e6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_GoodwillGross_0ac5a49e-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_0ac6351c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_edd3f2e6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_0ac6351c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/GoodwillAndIntangibleAssetsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/IncomeTaxes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/IncomeTaxesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/LongTermDebtAndCreditFacilities" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/LongTermDebtAndCreditFacilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_efc3d2ec-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LongTermDebtCurrent_efc3d2ec-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_efc6161a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_efc6161a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/LongTermDebtAndCreditFacilitiesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/NoncontrollingInterests" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/NoncontrollingInterestsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/NoncontrollingInterestsReconciliationOfNetIncomeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests" xlink:label="loc_us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests_ece38d42-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests_ece38d42-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest_0bdc7a4c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest_0bdc7a4c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/NoncontrollingInterestsReconciliationOfNetIncomeToOtherComprehensiveIncomeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_081cdf8c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_05ab7ee8-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_081cdf8c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_05ab7ee8-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNonredeemableNoncontrollingInterest" xlink:label="loc_gpn_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNonredeemableNoncontrollingInterest_cdf7b246-05e9-11e2-9a29-22000a1cf22c" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_081cdf8c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNonredeemableNoncontrollingInterest_cdf7b246-05e9-11e2-9a29-22000a1cf22c" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest" xlink:label="loc_gpn_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest_aef566c6-05ea-11e2-9a29-22000a1cf22c" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_081cdf8c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest_aef566c6-05ea-11e2-9a29-22000a1cf22c" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/NoncontrollingInterestsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ProcessingSystemIntrusion" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ProcessingSystemIntrusionAccrualForFraudLossesFinesAndChargesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ProcessingSystemIntrusionDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ProcessingSystemIntrusionProcessingSystemIntrusionTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SegmentInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SegmentInformationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SegmentInformationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ShareBasedAwardsAndOptionStockOptionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ShareBasedAwardsAndOptions" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ShareBasedAwardsAndOptionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ShareBasedAwardsAndOptionsRestrictedStockAndEmployeeStockPurchasePlanDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ShareBasedAwardsAndOptionsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ShareholdersEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/ShareholdersEquityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SubsequentEvents" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SubsequentEventsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPoliciesSettlementProcessingAssetsAndLiabilitiesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SummaryOfSignificantAccountingPoliciesWeightedAverageSharesOutstandingDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_f986d78e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_f9898fce-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_f986d78e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_f9898fce-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_f98757ea-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_f986d78e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_f98757ea-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SupplementalCashFlowInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SupplementalCashFlowInformationDetails" xlink:type="extended">
    <loc xlink:href="gpn-20121130.xsd#gpn_PaymentsForProceedsFromFinanceReceivable" xlink:label="loc_gpn_PaymentsForProceedsFromFinanceReceivable_5be4cd28-ea16-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireFinanceReceivables" xlink:label="loc_us-gaap_PaymentsToAcquireFinanceReceivables_f487e70a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_gpn_PaymentsForProceedsFromFinanceReceivable_5be4cd28-ea16-11e0-8c71-12313b06a4a2" xlink:to="loc_us-gaap_PaymentsToAcquireFinanceReceivables_f487e70a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromCollectionOfFinanceReceivables" xlink:label="loc_us-gaap_ProceedsFromCollectionOfFinanceReceivables_0bd98062-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_gpn_PaymentsForProceedsFromFinanceReceivable_5be4cd28-ea16-11e0-8c71-12313b06a4a2" xlink:to="loc_us-gaap_ProceedsFromCollectionOfFinanceReceivables_0bd98062-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/SupplementalCashFlowInformationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f0b133d4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f0b133d4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostOfServicesDepreciationAndAmortization" xlink:label="loc_us-gaap_CostOfServicesDepreciationAndAmortization_e6e6724c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CostOfServicesDepreciationAndAmortization_e6e6724c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfAcquiredIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfAcquiredIntangibleAssets_0c3ec4d6-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AmortizationOfAcquiredIntangibleAssets_0c3ec4d6-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_eaf41c9a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ShareBasedCompensation_eaf41c9a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_f43ffe9a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_f43ffe9a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_0d51972c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_0d51972c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_e5a3a9a4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_e5a3a9a4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherReceivables_e5c50554-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherReceivables_e5c50554-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_IncreaseDecreaseInSettlementProcessingAssetsAndObligationsNet" xlink:label="loc_gpn_IncreaseDecreaseInSettlementProcessingAssetsAndObligationsNet_05504120-d00a-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_IncreaseDecreaseInSettlementProcessingAssetsAndObligationsNet_05504120-d00a-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_e5ba7986-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_e5ba7986-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_e5c99b5a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="12" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_e5c99b5a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_e5a2f2ca-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_e5a2f2ca-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_e5b73794-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="14" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_e5b73794-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f0b133d4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_PaymentsToAcquireBusinessesAndIntangibleAssetsNetOfCashAcquired" xlink:label="loc_gpn_PaymentsToAcquireBusinessesAndIntangibleAssetsNetOfCashAcquired_05508f2c-d00a-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_PaymentsToAcquireBusinessesAndIntangibleAssetsNetOfCashAcquired_05508f2c-d00a-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_PaymentsToAcquirePropertyPlantEquipmentAndSoftware" xlink:label="loc_gpn_PaymentsToAcquirePropertyPlantEquipmentAndSoftware_f25c0c0e-f023-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_PaymentsToAcquirePropertyPlantEquipmentAndSoftware_f25c0c0e-f023-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_PaymentsForProceedsFromFinanceReceivable" xlink:label="loc_gpn_PaymentsForProceedsFromFinanceReceivable_5be4cd28-ea16-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_PaymentsForProceedsFromFinanceReceivable_5be4cd28-ea16-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f0b133d4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_0bda6c5c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_0bda6c5c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromNotesPayable" xlink:label="loc_us-gaap_ProceedsFromNotesPayable_f3f37c8c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromNotesPayable_f3f37c8c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfNotesPayable" xlink:label="loc_us-gaap_RepaymentsOfNotesPayable_f570d8d4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_RepaymentsOfNotesPayable_f570d8d4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_e7619774-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_e7619774-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_08663b96-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_08663b96-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_PaymentsForRepurchaseOfCommonStockForShareBasedCompensationPlans" xlink:label="loc_gpn_PaymentsForRepurchaseOfCommonStockForShareBasedCompensationPlans_f6647cf4-79e0-11e1-ba93-1231380dc193" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_PaymentsForRepurchaseOfCommonStockForShareBasedCompensationPlans_f6647cf4-79e0-11e1-ba93-1231380dc193" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_PaymentsForRepurchaseOfCommonStockForOtherThanShareBasedCompensationPlans" xlink:label="loc_gpn_PaymentsForRepurchaseOfCommonStockForOtherThanShareBasedCompensationPlans_16457e92-79e1-11e1-ba93-1231380dc193" xlink:type="locator" />
    <calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_PaymentsForRepurchaseOfCommonStockForOtherThanShareBasedCompensationPlans_16457e92-79e1-11e1-ba93-1231380dc193" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_f88c5ffc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_f88c5ffc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_f5a8d572-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_f5a8d572-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_f281d326-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_f281d326-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_ea0f1514-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_f0b133d4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_ea0f1514-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfChangesInEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfChangesInEquityParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_e63cc850-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0613007c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_e63cc850-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0613007c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0613007c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease_f1d30b98-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0613007c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease_f1d30b98-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease_f1c53496-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease_f1d30b98-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease_f1c53496-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax_0038c420-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease_f1d30b98-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax_0038c420-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_06132da4-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_e63cc850-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_06132da4-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_089c4d08-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_089c4d08-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_f1959cb8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_089c4d08-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OperatingIncomeLoss_f1959cb8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_f19751c0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f1959cb8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_Revenues_f19751c0-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_0476cf0a-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f1959cb8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CostsAndExpenses_0476cf0a-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostOfServices" xlink:label="loc_us-gaap_CostOfServices_e6e497d8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0476cf0a-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CostOfServices_e6e497d8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_f777bd46-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0476cf0a-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_f777bd46-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="gpn-20121130.xsd#gpn_ProcessingSystemIntrusionExpense" xlink:label="loc_gpn_ProcessingSystemIntrusionExpense_0c58ad60-d156-11e1-9a29-22000a1cf22c" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0476cf0a-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_gpn_ProcessingSystemIntrusionExpense_0c58ad60-d156-11e1-9a29-22000a1cf22c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_f0eb70ee-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_089c4d08-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_f0eb70ee-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestAndDebtExpense" xlink:label="loc_us-gaap_InterestAndDebtExpense_f0ec0144-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_f0eb70ee-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_InterestAndDebtExpense_f0ec0144-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestAndOtherIncome" xlink:label="loc_us-gaap_InterestAndOtherIncome_0aeee264-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_f0eb70ee-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_InterestAndOtherIncome_0aeee264-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_05aaf4d2-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_05ab7ee8-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_05ab7ee8-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.globalpaymentsinc.com/role/UnauditedConsolidatedStatementsOfIncomeParenthetical" xlink:type="extended" />
</linkbase>
