<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the AIM Investment
Fund -- AIM Global Health Care Class A Fund October 31, 2000 annual report.
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> AIM GLOBAL HEALTH CARE FUND CLASS A
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> OCT-31-2000
<INVESTMENTS-AT-COST> 433,148,259
<INVESTMENTS-AT-VALUE> 616,580,666
<RECEIVABLES> 9,783,610
<ASSETS-OTHER> 2,020
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 626,366,296
<PAYABLE-FOR-SECURITIES> 6,813,688
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,907,503
<TOTAL-LIABILITIES> 8,721,191
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 364,662,375
<SHARES-COMMON-STOCK> 20,797,116
<SHARES-COMMON-PRIOR> 19,473,394
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 69,554,552
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 183,428,178
<NET-ASSETS> 617,645,105
<DIVIDEND-INCOME> 4,441,138
<INTEREST-INCOME> 2,131
<OTHER-INCOME> 31,096
<EXPENSES-NET> (9,421,401)
<NET-INVESTMENT-INCOME> (4,947,036)
<REALIZED-GAINS-CURRENT> 78,246,407
<APPREC-INCREASE-CURRENT> 92,894,528
<NET-CHANGE-FROM-OPS> 166,193,899
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (43,491,083)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,654,225
<NUMBER-OF-SHARES-REDEEMED> (5,181,721)
<SHARES-REINVESTED> 1,851,218
<NET-CHANGE-IN-ASSETS> 154,975,814
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 43,046,264
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 4,963,633
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 9,428,185
<AVERAGE-NET-ASSETS> 388,771,812
<PER-SHARE-NAV-BEGIN> 24.00
<PER-SHARE-NII> (0.22)
<PER-SHARE-GAIN-APPREC> 8.62
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> (2.28)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 30.12
<EXPENSE-RATIO> 1.73
</TABLE>
