<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> 31
<NAME> TARGET 2005 FUND - INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 278,172,999
<INVESTMENTS-AT-VALUE> 277,531,510
<RECEIVABLES> 32,046
<ASSETS-OTHER> 682,963
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 278,246,519
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 364,297
<TOTAL-LIABILITIES> 364,297
<SENIOR-EQUITY> 35,558
<PAID-IN-CAPITAL-COMMON> 275,800,958
<SHARES-COMMON-STOCK> 3,555,810
<SHARES-COMMON-PRIOR> 3,956,418
<ACCUMULATED-NII-CURRENT> 13,177,777
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (10,490,582)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (641,489)
<NET-ASSETS> 277,882,222
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 21,878,551
<OTHER-INCOME> 0
<EXPENSES-NET> 2,102,137
<NET-INVESTMENT-INCOME> 19,776,414
<REALIZED-GAINS-CURRENT> (9,523,702)
<APPREC-INCREASE-CURRENT> 5,569,981
<NET-CHANGE-FROM-OPS> 15,822,693
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (25,001,055)
<DISTRIBUTIONS-OF-GAINS> (10,024,150)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,708,458
<NUMBER-OF-SHARES-REDEEMED> (5,423,421)
<SHARES-REINVESTED> 513,722
<NET-CHANGE-IN-ASSETS> (72,304,547)
<ACCUMULATED-NII-PRIOR> 16,898,403
<ACCUMULATED-GAINS-PRIOR> 104,518,429
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,073,601
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,102,137
<AVERAGE-NET-ASSETS> 351,812,613
<PER-SHARE-NAV-BEGIN> 72.55
<PER-SHARE-NII> 4.09
<PER-SHARE-GAIN-APPREC> 0.45
<PER-SHARE-DIVIDEND> (3.89)
<PER-SHARE-DISTRIBUTIONS> (1.56)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 77.09
<EXPENSE-RATIO> 0.59
</TABLE>
