WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the AIM Mid Cap
Equity Fund Class B Shares June 30, 1999 semiannual report.
</LEGEND>
<CIK> 0000202032
<NAME> AIM GROWTH SERIES
<SERIES>
   <NUMBER> 1
   <NAME> MID CAP EQUITY FUND CLASS B SHARES

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               JUN-30-1999
<INVESTMENTS-AT-COST>                        255660887
<INVESTMENTS-AT-VALUE>                       304925147
<RECEIVABLES>                                   293981
<ASSETS-OTHER>                                   24718
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               305243846
<PAYABLE-FOR-SECURITIES>                       3688125
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         1188
<TOTAL-LIABILITIES>                            4856494
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     214097618
<SHARES-COMMON-STOCK>                         14236298
<SHARES-COMMON-PRIOR>                         18659988
<ACCUMULATED-NII-CURRENT>                     (871647)
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                       37897092
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                      49264289
<NET-ASSETS>                                 300387352
<DIVIDEND-INCOME>                               455241
<INTEREST-INCOME>                              1244987
<OTHER-INCOME>                                   90621
<EXPENSES-NET>                                 2662496
<NET-INVESTMENT-INCOME>                       (871647)
<REALIZED-GAINS-CURRENT>                      46512556
<APPREC-INCREASE-CURRENT>                   (10321337)
<NET-CHANGE-FROM-OPS>                         35319572
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        2295090
<NUMBER-OF-SHARES-REDEEMED>                  (6718780)
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                      (46231107)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                    (8615464)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                          1063860
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                2667151
<AVERAGE-NET-ASSETS>                         138868498
<PER-SHARE-NAV-BEGIN>                            18.16
<PER-SHARE-NII>                                 (0.10)
<PER-SHARE-GAIN-APPREC>                           2.52
<PER-SHARE-DIVIDEND>                              0.00
<PER-SHARE-DISTRIBUTIONS>                         0.00
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              20.58
<EXPENSE-RATIO>                                   2.16


</TABLE>