<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE 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> 51
<NAME> TARGET 2015 FUND - INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 111,179,843
<INVESTMENTS-AT-VALUE> 134,561,513
<RECEIVABLES> 5,010
<ASSETS-OTHER> 235,558
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 134,802,081
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 75,789
<TOTAL-LIABILITIES> 75,789
<SENIOR-EQUITY> 28,059
<PAID-IN-CAPITAL-COMMON> 107,575,902
<SHARES-COMMON-STOCK> 2,805,861
<SHARES-COMMON-PRIOR> 2,870,350
<ACCUMULATED-NII-CURRENT> 6,151,009
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2,410,348)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 23,381,670
<NET-ASSETS> 134,726,292
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 10,305,032
<OTHER-INCOME> 1,784
<EXPENSES-NET> 948,495
<NET-INVESTMENT-INCOME> 9,358,321
<REALIZED-GAINS-CURRENT> (1,059,434)
<APPREC-INCREASE-CURRENT> 6,441,464
<NET-CHANGE-FROM-OPS> 14,740,351
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (12,201,171)
<DISTRIBUTIONS-OF-GAINS> (136,591)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,213,952
<NUMBER-OF-SHARES-REDEEMED> (4,774,942)
<SHARES-REINVESTED> 297,512
<NET-CHANGE-IN-ASSETS> (83,474,218)
<ACCUMULATED-NII-PRIOR> 5,500,951
<ACCUMULATED-GAINS-PRIOR> 1,035,560
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 942,005
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 948,495
<AVERAGE-NET-ASSETS> 160,784,398
<PER-SHARE-NAV-BEGIN> 43.04
<PER-SHARE-NII> 2.58
<PER-SHARE-GAIN-APPREC> 2.39
<PER-SHARE-DIVIDEND> (2.46)
<PER-SHARE-DISTRIBUTIONS> (0.03)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 48.01
<EXPENSE-RATIO> 0.59
</TABLE>
