<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the AIM Investment
Funds -- AIM Strategic Income Class C Fund October 31, 2000 annual report.
</LEGEND>
<SERIES>
<NUMBER> 3
<NAME> AIM STRATEGIC INCOME CLASS C FUND
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> OCT-31-2000
<INVESTMENTS-AT-COST> 127,520,264
<INVESTMENTS-AT-VALUE> 122,398,980
<RECEIVABLES> 24,339,916
<ASSETS-OTHER> 52,753
<OTHER-ITEMS-ASSETS> 1,563
<TOTAL-ASSETS> 146,793,212
<PAYABLE-FOR-SECURITIES> 19,055,595
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,709,318
<TOTAL-LIABILITIES> 20,764,913
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 244,842,709
<SHARES-COMMON-STOCK> 13,732,148
<SHARES-COMMON-PRIOR> 18,527,699
<ACCUMULATED-NII-CURRENT> (3,518)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (113,726,070)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (5,084,822)
<NET-ASSETS> 126,028,299
<DIVIDEND-INCOME> 569,276
<INTEREST-INCOME> 13,369,681
<OTHER-INCOME> 816
<EXPENSES-NET> (2,480,825)
<NET-INVESTMENT-INCOME> 11,458,948
<REALIZED-GAINS-CURRENT> (27,624,530)
<APPREC-INCREASE-CURRENT> 12,583,172
<NET-CHANGE-FROM-OPS> (3,582,410)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (7,468,227)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> (3,397,798)
<NUMBER-OF-SHARES-SOLD> 1,993,691
<NUMBER-OF-SHARES-REDEEMED> (7,496,423)
<SHARES-REINVESTED> 707,181
<NET-CHANGE-IN-ASSETS> (61,905,954)
<ACCUMULATED-NII-PRIOR> (809,500)
<ACCUMULATED-GAINS-PRIOR> (89,286,279)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,118,206
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,045,633
<AVERAGE-NET-ASSETS> 410,715
<PER-SHARE-NAV-BEGIN> 10.14
<PER-SHARE-NII> 0.70
<PER-SHARE-GAIN-APPREC> (1.00)
<PER-SHARE-DIVIDEND> (0.45)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> (0.22)
<PER-SHARE-NAV-END> 9.17
<EXPENSE-RATIO> 2.22
</TABLE>
