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      <nameOfIssuer>U.S. Treasury Note</nameOfIssuer>
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      <nameOfIssuer>U.S. Treasury Note</nameOfIssuer>
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      <titleOfIssuer>U.S. Treasury Note 1.578900%</titleOfIssuer>
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      <investmentMaturityDateWAL>2020-07-31</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2020-07-31</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0160</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>113388437.15</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>113388437.15</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0555</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>U.S. Treasury Note</nameOfIssuer>
      <titleOfIssuer>U.S. Treasury Note</titleOfIssuer>
      <CUSIPMember>912833LA6</CUSIPMember>
      <ISINId>US912833LA61</ISINId>
      <investmentCategory>U.S. Treasury Debt</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <investmentMaturityDateWAM>2020-08-15</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2020-08-15</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2020-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0156</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>19835243.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>19835243.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0097</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <signature>
      <registrant>American Century Government Income Trust</registrant>
      <signatureDate>2020-02-07</signatureDate>
      <signature>Amy Bitter</signature>
      <nameOfSigningOfficer>Amy Bitter</nameOfSigningOfficer>
      <titleOfSigningOfficer>Assistant Treasurer</titleOfSigningOfficer>
    </signature>
  </formData>
</edgarSubmission>
