<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> 63
<NAME> TARGET 2020 FUND - ADVISOR CLASS
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 193,356,439
<INVESTMENTS-AT-VALUE> 243,367,171
<RECEIVABLES> 156,276
<ASSETS-OTHER> 1,709,751
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 245,233,198
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 256,926
<TOTAL-LIABILITIES> 256,926
<SENIOR-EQUITY> 223
<PAID-IN-CAPITAL-COMMON> 162,287,482
<SHARES-COMMON-STOCK> 22,317
<SHARES-COMMON-PRIOR> 15,227
<ACCUMULATED-NII-CURRENT> 10,334,113
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 22,343,722
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 50,010,732
<NET-ASSETS> 244,976,272
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 16,246,613
<OTHER-INCOME> 69,879
<EXPENSES-NET> 1,585,960
<NET-INVESTMENT-INCOME> 14,730,532
<REALIZED-GAINS-CURRENT> 22,677,232
<APPREC-INCREASE-CURRENT> (3,652,319)
<NET-CHANGE-FROM-OPS> 33,755,445
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (38,610)
<DISTRIBUTIONS-OF-GAINS> (70,913)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 16,890
<NUMBER-OF-SHARES-REDEEMED> (16,358)
<SHARES-REINVESTED> 3,015
<NET-CHANGE-IN-ASSETS> (72,304,547)
<ACCUMULATED-NII-PRIOR> 19,544,059
<ACCUMULATED-GAINS-PRIOR> 23,452,379
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,571,764
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,585,960
<AVERAGE-NET-ASSETS> 640,802
<PER-SHARE-NAV-BEGIN> 30.55
<PER-SHARE-NII> 1.69
<PER-SHARE-GAIN-APPREC> 2.42
<PER-SHARE-DIVIDEND> (1.79)
<PER-SHARE-DISTRIBUTIONS> (3.30)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 34.66
<EXPENSE-RATIO> 0.84
</TABLE>
