0000729218 fas:ProspectusOneMember fas:S000036873Member fas:C000112811Member 2011-04-25 2012-04-24 0000729218 fas:S000036873Member fas:ProspectusTwoMember fas:C000112813Member 2011-04-25 2012-04-24 0000729218 fas:ProspectusOneMember fas:S000036873Member fas:C000112810Member 2011-04-25 2012-04-24 0000729218 fas:ProspectusOneMember fas:S000036873Member fas:C000112812Member 2011-04-25 2012-04-24 0000729218 fas:ProspectusOneMember fas:S000036873Member 2011-04-25 2012-04-24 0000729218 fas:S000036873Member fas:ProspectusTwoMember 2011-04-25 2012-04-24 0000729218 2011-04-25 2012-04-24 iso4217:USD xbrli:pure false 2012-04-23 2012-04-24 2011-04-23 485BPOS 0000729218 FIDELITY ADVISOR SERIES VIII &lt;div style="display:none;"&gt;~ http://advisor.fidelity.com/role/AnnualClassOperatingExpensesFidelityAdvisorGlobalEquityIncomeFundClassInstitutional ~&lt;/div&gt; &lt;div style="display:none;"&gt;~ http://advisor.fidelity.com/role/AnnualClassOperatingExpensesFidelityAdvisorGlobalEquityIncomeFundClassTAndC ~&lt;/div&gt; <b>Performance</b> <b>Performance</b> 0.0100 0.0025 0.0000 0.0050 You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the fund or certain other Fidelity funds. 50000 Sell All Shares <p>This <b>example</b> helps compare the cost of investing in the fund with the cost of investing in other mutual funds.</p> <p>Let's say, hypothetically, that the annual return for shares of the fund is 5% and that your shareholder fees and the annual operating expenses for shares of the fund are exactly as described in the fee table. This example illustrates the effect of fees and expenses, but is not meant to suggest actual or expected fees and expenses or returns, all of which may vary. For every $10,000 you invested, here's how much you would pay in total expenses if you sell all of your shares at the end of each time period indicated and if you hold your shares:</p> <p>This <b>example</b> helps compare the cost of investing in the fund with the cost of investing in other mutual funds.</p> <p>Let's say, hypothetically, that the annual return for shares of the fund is 5% and that your shareholder fees and the annual operating expenses for shares of the fund are exactly as described in the fee table. This example illustrates the effect of fees and expenses, but is not meant to suggest actual or expected fees and expenses or returns, all of which may vary. For every $10,000 you invested, here's how much you would pay in total expenses if you sell all of your shares at the end of each time period indicated:</p> Hold Shares &lt;div style="display:none;"&gt;~ http://advisor.fidelity.com/role/ExpenseExampleNoRedemptionFidelityAdvisorGlobalEquityIncomeFundClassTAndC ~&lt;/div&gt; 714 223 517 1303 1168 995 &lt;div style="display:none;"&gt;~ http://advisor.fidelity.com/role/ExpenseExampleFidelityAdvisorGlobalEquityIncomeFundClassInstitutional ~&lt;/div&gt; &lt;div style="display:none;"&gt;~ http://advisor.fidelity.com/role/ExpenseExampleFidelityAdvisorGlobalEquityIncomeFundClassTAndC ~&lt;/div&gt; 122 517 714 323 1303 995 697 1168 <b>Fee Table</b> <b>Fee Table</b> The following table describes the fees and expenses that may be incurred when you buy, hold, or sell shares of the fund. <p>The following table describes the fees and expenses that may be incurred when you buy, hold, or sell shares of the fund.</p> <p>You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the fund or certain other Fidelity funds. More information about these and other discounts is available from your investment professional and in the Fund Distribution section beginning on page (Click Here) of the prospectus.</p> <i>Class A and Class T purchases of $1 million or more will not be subject to a front-end sales charge. Such Class A and Class T purchases may be subject, upon redemption, to a contingent deferred sales charge (CDSC) of 1.00% or 0.25%, respectively.</i> <i>On Class C shares redeemed less than one year after purchase.</i> <i>Class A and Class T purchases of $1 million or more will not be subject to a front-end sales charge. Such Class A and Class T purchases may be subject, upon redemption, to a contingent deferred sales charge (CDSC) of 1.00% or 0.25%, respectively.</i> 0.0369 0.0444 0.0344 0.0394 -0.0224 -0.0224 -0.0224 -0.0224 <i>December 31, 2013</i> <i>December 31, 2013</i> 0.0071 0.0071 0.0071 0.0071 0.0575 0.0350 0.0000 0.0100 0.0000 0.0000 0.0220 0.0145 0.0120 0.0170 <b>Investment Objective</b> <b>Investment Objective</b> The fund seeks reasonable income. In pursuing this objective, the fund will also consider the potential for capital appreciation. The fund seeks reasonable income. In pursuing this objective, the fund will also consider the potential for capital appreciation. <b>Annual class operating expenses (expenses that you pay each year as a % of the value of your investment)</b> <b>Annual class operating expenses (expenses that you pay each year as a % of the value of your investment)</b> <i>Based on estimated amounts for the current fiscal year.</i> <i>Based on estimated amounts for the current fiscal year.</i> 0.0273 0.0273 0.0273 0.0273 Performance history will be available for the fund after the fund has been in operation for one calendar year. Performance history will be available for the fund after the fund has been in operation for one calendar year. <b>Portfolio Turnover</b> <b>Portfolio Turnover</b> The fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual operating expenses or in the example, affect the fund's performance. The fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual operating expenses or in the example, affect the fund's performance. 2012-04-24 <b>Principal Investment Risks</b> <b>Principal Investment Risks</b> You could lose money by investing in the fund. You could lose money by investing in the fund. <ul><li><i>Stock Market Volatility.</i> Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market can react differently to these developments.</li></ul> <ul><li><i>Interest Rate Changes.</i> Interest rate increases can cause the price of a debt security to decrease.</li></ul> <ul><li><i>Foreign Exposure.</i> Foreign markets, particularly emerging markets, can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market. Emerging markets can be subject to greater social, economic, regulatory, and political uncertainties and can be extremely volatile.</li></ul> <ul><li><i>Issuer-Specific Changes.</i> The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole. Lower-quality debt securities (those of less than investment-grade quality) and certain types of other securities involve greater risk of default or price changes due to changes in the credit quality of the issuer. The value of lower-quality debt securities and certain types of other securities can be more volatile due to increased sensitivity to adverse issuer, political, regulatory, market, or economic developments.</li></ul> <ul><li><i>"Value" Investing. </i>"Value" stocks can perform differently from the market as a whole and other types of stocks and can continue to be undervalued by the market for long periods of time.</li></ul> <p>An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. You could lose money by investing in the fund.</p> <ul><li><i>Stock Market Volatility. </i>Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market can react differently to these developments.</li></ul> <ul><li><i>Interest Rate Changes.</i> Interest rate increases can cause the price of a debt security to decrease. </li></ul> <ul><li><i>Foreign Exposure.</i> Foreign markets, particularly emerging markets, can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market. Emerging markets can be subject to greater social, economic, regulatory, and political uncertainties and can be extremely volatile. </li></ul> <ul><li><i>Issuer-Specific Changes.</i> The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole. Lower-quality debt securities (those of less than investment-grade quality) and certain types of other securities involve greater risk of default or price changes due to changes in the credit quality of the issuer. The value of lower-quality debt securities and certain types of other securities can be more volatile due to increased sensitivity to adverse issuer, political, regulatory, market, or economic developments. </li></ul> <ul><li><i>"Value" Investing.</i> "Value" stocks can perform differently from the market as a whole and other types of stocks and can continue to be undervalued by the market for long periods of time. </li></ul> <p>An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. You could lose money by investing in the fund.</p> An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. <div style="font-face: arial; font-size:8pt" ><div><b>Fund Summary</b></div><div style="font-size:8pt"><b>Fund</b>/Class:</div><div><b>Fidelity Advisor</b><sup>&#174;</sup> <b>Global Equity Income Fund</b>/A, T, C</div></div> <div style="font-face: arial; font-size:8pt" ><div><b>Fund Summary</b></div><div style="font-size:8pt"><b>Fund</b>/Class:</div><div><b>Fidelity Advisor</b><sup>&#174;</sup> <b>Global Equity Income Fund</b>/Institutional</div></div> 0 <b>Shareholder fees (fees paid directly from your investment)</b> <b>Shareholder fees (fees paid directly from your investment)</b> &lt;div style="display:none;"&gt;~ http://advisor.fidelity.com/role/ShareholderFeesFidelityAdvisorGlobalEquityIncomeFundClassInstitutional ~&lt;/div&gt; &lt;div style="display:none;"&gt;~ http://advisor.fidelity.com/role/ShareholderFeesFidelityAdvisorGlobalEquityIncomeFundClassTAndC ~&lt;/div&gt; <b>Principal Investment Strategies</b> <b>Principal Investment Strategies</b> <ul><li>Investing in securities issued throughout the world.</li></ul> <ul><li>Normally investing at least 80% of assets in equity securities.</li></ul> <ul><li>Normally investing primarily in income-producing equity securities.</li></ul> <ul><li>Seeking to exceed the yield on the MSCI<sup>&#174;</sup> ACWI<sup>&#174;</sup> (All Country World Index) Index (the Index).</li></ul> <ul><li>Potentially investing in other types of equity securities and debt securities, including lower-quality debt securities.</li></ul> <ul><li>Allocating investments across different countries and regions.</li></ul> <ul><li>Using fundamental analysis of factors such as each issuer's financial condition and industry position, as well as market and economic conditions, to select investments.</li></ul> <ul><li>Investing in securities issued throughout the world.</li></ul> <ul><li>Normally investing at least 80% of assets in equity securities.</li></ul> <ul><li>Normally investing primarily in income-producing equity securities.</li></ul> <ul><li>Seeking to exceed the yield on the MSCI<sup>&#174;</sup> ACWI<sup>&#174;</sup> (All Country World Index) Index (the Index).</li></ul> <ul><li>Potentially investing in other types of equity securities and debt securities, including lower-quality debt securities.</li></ul> <ul><li>Allocating investments across different countries and regions.</li></ul> <ul><li>Using fundamental analysis of factors such as each issuer's financial condition and industry position, as well as market and economic conditions, to select investments.</li></ul> Fidelity Management & Research Company (FMR) has contractually agreed to reimburse Class A, Class T, and Class C of the fund to the extent that total operating expenses (excluding interest, taxes, certain securities lending costs, brokerage commissions, extraordinary expenses, and acquired fund fees and expenses, if any), as a percentage of their respective average net assets, exceed the following rates: Class A: 1.45%, Class T: 1.70%, Class C: 2.20%. These arrangements will remain in effect through December 31, 2013. FMR may not discontinue or modify these arrangements without the approval of the Board of Trustees. Fidelity Management & Research Company (FMR) has contractually agreed to reimburse Institutional Class of the fund to the extent that total operating expenses (excluding interest, taxes, certain securities lending costs, brokerage commissions, extraordinary expenses, and acquired fund fees and expenses, if any), as a percentage of its average net assets, exceed 1.20%. This arrangement will remain in effect through December 31, 2013. FMR may not discontinue or modify this arrangement without the approval of the Board of Trustees. On Class C shares redeemed less than one year after purchase. Class A and Class T purchases of $1 million or more will not be subject to a front-end sales charge. Such Class A and Class T purchases may be subject, upon redemption, to a contingent deferred sales charge (CDSC) of 1.00% or 0.25%, respectively. Based on estimated amounts for the current fiscal year.