0000744822 2020-12-30 2020-12-30 0000744822 kjg:D1031TargetedInternationalFundsRetailComboPRO18Member 2020-12-30 2020-12-30 0000744822 kjg:D1031FidelityEmergingMarketsFundKPRO08Member 2020-12-30 2020-12-30 0000744822 kjg:D1031FidelityEmergingMarketsFundKPRO08Member kjg:S000007110Member 2020-12-30 2020-12-30 0000744822 kjg:D1031FidelityEmergingMarketsFundKPRO08Member kjg:S000007110Member kjg:C000064267Member 2020-12-30 2020-12-30 0000744822 kjg:D1031FidelityEmergingMarketsFundKPRO08Member kjg:S000007110Member kjg:ReturnBeforeTaxesMember kjg:C000064267Member 2020-12-30 2020-12-30 0000744822 kjg:D1031FidelityEmergingMarketsFundKPRO08Member kjg:S000007110Member kjg:IndexIXYE0Member 2020-12-30 2020-12-30 0000744822 kjg:D1031TargetedInternationalFundsRetailComboPRO18Member kjg:S000007110Member 2020-12-30 2020-12-30 0000744822 kjg:D1031TargetedInternationalFundsRetailComboPRO18Member kjg:S000007110Member kjg:C000019439Member 2020-12-30 2020-12-30 0000744822 kjg:D1031TargetedInternationalFundsRetailComboPRO18Member kjg:S000007110Member kjg:ReturnBeforeTaxesMember kjg:C000019439Member 2020-12-30 2020-12-30 0000744822 kjg:D1031TargetedInternationalFundsRetailComboPRO18Member kjg:S000007110Member rr:AfterTaxesOnDistributionsMember kjg:C000019439Member 2020-12-30 2020-12-30 0000744822 kjg:D1031TargetedInternationalFundsRetailComboPRO18Member kjg:S000007110Member rr:AfterTaxesOnDistributionsAndSalesMember kjg:C000019439Member 2020-12-30 2020-12-30 0000744822 kjg:D1031TargetedInternationalFundsRetailComboPRO18Member kjg:S000007110Member kjg:IndexIXYE0Member 2020-12-30 2020-12-30 iso4217:USD pure 497 2020-10-31 false 0000744822 N-1A FIDELITY INVESTMENT TRUST -0.2090 0.1494 0.0410 0.0181 -0.0992 0.0342 0.4789 -0.1791 0.3384 0.3266 -0.2104 0.1464 0.0387 0.0160 -0.1009 0.0325 0.4767 -0.1802 0.3365 0.3254 Supplement to theFidelity® Emerging Markets FundClass KDecember 30, 2020Prospectus  Geographic Concentration in China. Because the fund concentrates its investments in China, the fund's performance is expected to be closely tied to social, political, and economic conditions in China and to be more volatile than the performance of more geographically diversified funds. Year-by-Year Returns Highest Quarter Return 0.2388 2020-06-30 Lowest Quarter Return -0.2401 2011-09-30 Year-to-Date Return 0.0190 2021-03-31 Average Annual Returns Class K 0.3266 0.1739 0.0682 MSCI Emerging Markets Index 0.1832 0.1284 0.0367 Supplement to theFidelity's Targeted International Equity Funds®December 30, 2020Prospectus  Geographic Concentration in China. Because the fund concentrates its investments in China, the fund's performance is expected to be closely tied to social, political, and economic conditions in China and to be more volatile than the performance of more geographically diversified funds. Year-by-Year Returns Highest Quarter Return 0.2385 2020-06-30 Lowest Quarter Return -0.2404 2011-09-30 Year-to-Date Return 0.0186 2021-03-31 Average Annual Returns After-tax returns are calculated using the historical highest individual federal marginal income tax rates, but do not reflect the impact of state or local taxes. Actual after-tax returns may differ depending on your individual circumstances. The after-tax returns shown are not relevant if you hold your shares in a retirement account or in another tax-deferred arrangement, such as an employee benefit plan (profit sharing, 401(k), or 403(b) plan). Return After Taxes on Distributions and Sale of Fund Shares may be higher than other returns for the same period due to a tax benefit of realizing a capital loss upon the sale of fund shares. After-tax returns are calculated using the historical highest individual federal marginal income tax rates, but do not reflect the impact of state or local taxes. The after-tax returns shown are not relevant if you hold your shares in a retirement account or in another tax-deferred arrangement, such as an employee benefit plan (profit sharing, 401(k), or 403(b) plan). Return After Taxes on Distributions and Sale of Fund Shares may be higher than other returns for the same period due to a tax benefit of realizing a capital loss upon the sale of fund shares. Return Before Taxes 0.3254 0.1723 0.0664 Return After Taxes on Distributions 0.3223 0.1707 0.0658 Return After Taxes on Distributions and Sale of Fund Shares 0.1969 0.1406 0.0546 MSCI Emerging Markets Index 0.1832 0.1284 0.0367