<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> 21
<NAME> TARGET 2000 FUND - INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 157,119,191
<INVESTMENTS-AT-VALUE> 157,187,965
<RECEIVABLES> 322,919
<ASSETS-OTHER> 1,333,495
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 158,844,379
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 522,546
<TOTAL-LIABILITIES> 522,546
<SENIOR-EQUITY> 15,524
<PAID-IN-CAPITAL-COMMON> 151,158,859
<SHARES-COMMON-STOCK> 1,552,448
<SHARES-COMMON-PRIOR> 1,865,675
<ACCUMULATED-NII-CURRENT> 7,467,242
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (388,566)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 68,774
<NET-ASSETS> 158,321,833
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 11,298,549
<OTHER-INCOME> 12,312
<EXPENSES-NET> 1,098,062
<NET-INVESTMENT-INCOME> 10,212,799
<REALIZED-GAINS-CURRENT> (387,572)
<APPREC-INCREASE-CURRENT> (882,682)
<NET-CHANGE-FROM-OPS> 8,942,545
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 11,158,241
<DISTRIBUTIONS-OF-GAINS> 509,908
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 720,930
<NUMBER-OF-SHARES-REDEEMED> (1,394,670)
<SHARES-REINVESTED> 124,776
<NET-CHANGE-IN-ASSETS> (44,580,847)
<ACCUMULATED-NII-PRIOR> 10,075,324
<ACCUMULATED-GAINS-PRIOR> 179,752
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,082,998
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,098,062
<AVERAGE-NET-ASSETS> 183,994,277
<PER-SHARE-NAV-BEGIN> 96.11
<PER-SHARE-NII> 5.41
<PER-SHARE-GAIN-APPREC> (0.60)
<PER-SHARE-DIVIDEND> (5.52)
<PER-SHARE-DISTRIBUTIONS> (0.06)
<RETURNS-OF-CAPITAL> (0.19)
<PER-SHARE-NAV-END> 100.92
<EXPENSE-RATIO> 0.59
</TABLE>
