<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000811869
<NAME> THE AAL MUTUAL FUNDS
<SERIES>
   <NUMBER> 031
   <NAME> THE AAL MUNICIPAL BOND FUND CLASS A
<MULTIPLIER> 1

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          APR-30-2000
<PERIOD-START>                             MAY-01-1999
<PERIOD-END>                               OCT-29-1999
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<INVESTMENTS-AT-VALUE>                       490588512
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<TOTAL-ASSETS>                               533164108
<PAYABLE-FOR-SECURITIES>                      36543079
<SENIOR-LONG-TERM-DEBT>                              0
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<TOTAL-LIABILITIES>                           37691942
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     507893184
<SHARES-COMMON-STOCK>                         46425716
<SHARES-COMMON-PRIOR>                         45605143
<ACCUMULATED-NII-CURRENT>                      (47081)
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<ACCUM-APPREC-OR-DEPREC>                     (1560016)
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<DIVIDEND-INCOME>                                    0
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<NET-INVESTMENT-INCOME>                       12062419
<REALIZED-GAINS-CURRENT>                    (11504686)
<APPREC-INCREASE-CURRENT>                   (35211101)
<NET-CHANGE-FROM-OPS>                       (34653368)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                   (11891086)
<DISTRIBUTIONS-OF-GAINS>                             0
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<NUMBER-OF-SHARES-SOLD>                        2918327
<NUMBER-OF-SHARES-REDEEMED>                  (2983907)
<SHARES-REINVESTED>                             886153
<NET-CHANGE-IN-ASSETS>                      (35670234)
<ACCUMULATED-NII-PRIOR>                        (47081)
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<GROSS-ADVISORY-FEES>                          1122939
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                2128303
<AVERAGE-NET-ASSETS>                         506942299
<PER-SHARE-NAV-BEGIN>                            11.47
<PER-SHARE-NII>                                    .26
<PER-SHARE-GAIN-APPREC>                          (.99)
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<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.48
<EXPENSE-RATIO>                                    .82


</TABLE>