<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY TARGET
MATURITIES TRUST AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH REPORT.
</LEGEND>
<CIK> 0000757928
<NAME> AMERICAN CENTURY TARGET MATURITIES TRUST
<SERIES>
<NUMBER> 71
<NAME> TARGET 2025 FUND - INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> SEP-30-1999
<PERIOD-END> MAR-31-2000
<INVESTMENTS-AT-COST> 673,156,827
<INVESTMENTS-AT-VALUE> 722,239,788
<RECEIVABLES> 0
<ASSETS-OTHER> 335,320
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 722,575,108
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,672,693
<TOTAL-LIABILITIES> 1,672,693
<SENIOR-EQUITY> 245,660
<PAID-IN-CAPITAL-COMMON> 686,112,257
<SHARES-COMMON-STOCK> 24,566,000
<SHARES-COMMON-PRIOR> 28,765,540
<ACCUMULATED-NII-CURRENT> 9,940,361
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (24,478,824)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 49,082,961
<NET-ASSETS> 720,902,415
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 23,398,403
<OTHER-INCOME> 232,663
<EXPENSES-NET> 2,160,966
<NET-INVESTMENT-INCOME> 21,470,100
<REALIZED-GAINS-CURRENT> (13,531,415)
<APPREC-INCREASE-CURRENT> 72,235,802
<NET-CHANGE-FROM-OPS> 80,174,487
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 32,236,400
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 21,596,222
<NUMBER-OF-SHARES-REDEEMED> (26,972,368)
<SHARES-REINVESTED> 1,176,606
<NET-CHANGE-IN-ASSETS> (34,450,957)
<ACCUMULATED-NII-PRIOR> 8,762,384
<ACCUMULATED-GAINS-PRIOR> 1,156,628
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,145,059
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,160,966
<AVERAGE-NET-ASSETS> 731,403,693
<PER-SHARE-NAV-BEGIN> 26.22
<PER-SHARE-NII> 0.76
<PER-SHARE-GAIN-APPREC> 2.33
<PER-SHARE-DIVIDEND> 1.11
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 29.31
<EXPENSE-RATIO> 0.59
</TABLE>
