<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000811869                                
<NAME> THE AAL MUTUAL FUNDS
<SERIES>
   <NUMBER> 10
   <NAME> THE AAL MUNICIPAL BOND FUND CLASS B
<MULTIPLIER> 1
       
<S>                             <C>
<PERIOD-TYPE>                   4-MOS
<FISCAL-YEAR-END>                          APR-30-1997
<PERIOD-START>                             JAN-08-1997
<PERIOD-END>                               APR-30-1997
<INVESTMENTS-AT-COST>                        412917232
<INVESTMENTS-AT-VALUE>                       426261547
<RECEIVABLES>                                  7216942
<ASSETS-OTHER>                                   39062
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<TOTAL-ASSETS>                               433517551
<PAYABLE-FOR-SECURITIES>                       9996283
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      1088169
<TOTAL-LIABILITIES>                           11084452
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     408503125
<SHARES-COMMON-STOCK>                            70301
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                      (47081)
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<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                      13344315
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<DIVIDEND-INCOME>                                    0
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<NET-INVESTMENT-INCOME>                       19810749
<REALIZED-GAINS-CURRENT>                       2734930
<APPREC-INCREASE-CURRENT>                      4568598
<NET-CHANGE-FROM-OPS>                         27114277
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       (5453)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          71756
<NUMBER-OF-SHARES-REDEEMED>                     (2178)
<SHARES-REINVESTED>                                453
<NET-CHANGE-IN-ASSETS>                         9655779
<ACCUMULATED-NII-PRIOR>                          41917
<ACCUMULATED-GAINS-PRIOR>                      4824022
<OVERDISTRIB-NII-PRIOR>                              0
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<GROSS-ADVISORY-FEES>                          2153751
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                3743349
<AVERAGE-NET-ASSETS>                         422295255
<PER-SHARE-NAV-BEGIN>                            11.02
<PER-SHARE-NII>                                   .147
<PER-SHARE-GAIN-APPREC>                          (.01)
<PER-SHARE-DIVIDEND>                            (.147)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.92
<EXPENSE-RATIO>                                   1.69
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        


</TABLE>