<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY INTERNATIONAL BOND
FUNDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000880268
<NAME> AMERICAN CENTURY INTERNATIONAL BOND FUND
<SERIES>
<NUMBER> 11
<NAME> INTERNATIONAL BOND FUND - INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 104,052,369
<INVESTMENTS-AT-VALUE> 101,611,241
<RECEIVABLES> 10,853,110
<ASSETS-OTHER> 2,073,549
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 114,537,900
<PAYABLE-FOR-SECURITIES> 10,461,594
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 490,738
<TOTAL-LIABILITIES> 10,952,332
<SENIOR-EQUITY> 101,551
<PAID-IN-CAPITAL-COMMON> 116,968,843
<SHARES-COMMON-STOCK> 10,155,091
<SHARES-COMMON-PRIOR> 10,712,230
<ACCUMULATED-NII-CURRENT> 42,487
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (10,950,469)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (2,576,844)
<NET-ASSETS> 103,585,568
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2,448,558
<OTHER-INCOME> 0
<EXPENSES-NET> 462,792
<NET-INVESTMENT-INCOME> 1,985,766
<REALIZED-GAINS-CURRENT> (10,350,531)
<APPREC-INCREASE-CURRENT> 5,719,831
<NET-CHANGE-FROM-OPS> (2,644,934)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,117,380)
<DISTRIBUTIONS-OF-GAINS> (638,604)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,889,253
<NUMBER-OF-SHARES-REDEEMED> (3,605,305)
<SHARES-REINVESTED> 158,913
<NET-CHANGE-IN-ASSETS> (10,109,404)
<ACCUMULATED-NII-PRIOR> (818,935)
<ACCUMULATED-GAINS-PRIOR> 43,768
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 445,506
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 462,792
<AVERAGE-NET-ASSETS> 105,005,723
<PER-SHARE-NAV-BEGIN> 10.55
<PER-SHARE-NII> 0.20
<PER-SHARE-GAIN-APPREC> (0.46)
<PER-SHARE-DIVIDEND> (0.11)
<PER-SHARE-DISTRIBUTIONS> (0.06)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.12
<EXPENSE-RATIO> 0.88
</TABLE>
