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        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>American Century U.S. Government Money Market Fund - G Class</name>
        <lei>N/A</lei>
        <title>American Century U.S. Government Money Market Fund - G Class</title>
        <cusip>02508J812</cusip>
        <identifiers>
          <isin value="US02508J8128"/>
          <ticker value="AGGXX"/>
        </identifiers>
        <balance>146002770.7300000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>146002770.7300000000</valUSD>
        <pctVal>10.0648235585</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>American Century Short Duration Inflation Protection Bond Fund - G Class</name>
        <lei>N/A</lei>
        <title>American Century Short Duration Inflation Protection Bond Fund - G Class</title>
        <cusip>02508J838</cusip>
        <identifiers>
          <isin value="US02508J8383"/>
          <ticker value="APOGX"/>
        </identifiers>
        <balance>10015093.7900000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>103756371.6600000000</valUSD>
        <pctVal>7.1525325760</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2020-03-24</ncom:dateSigned>
      <ncom:nameOfApplicant>American Century Asset Allocation Portfolios, Inc.</ncom:nameOfApplicant>
      <ncom:signature>Amy R. Bitter</ncom:signature>
      <ncom:signerName>Amy R. Bitter</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
