<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000811869
<NAME> THE AAL MUTUAL FUNDS
<SERIES>
<NUMBER> 112
<NAME> THE AAL HIGH YIELD BOND FUND CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> APR-30-2000
<PERIOD-START> MAY-01-1999
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 174562139
<INVESTMENTS-AT-VALUE> 143694581
<RECEIVABLES> 5036381
<ASSETS-OTHER> 48172
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 148779134
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 970736
<TOTAL-LIABILITIES> 970736
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 191351781
<SHARES-COMMON-STOCK> 1554147
<SHARES-COMMON-PRIOR> 1389400
<ACCUMULATED-NII-CURRENT> (245549)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (12430276)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (30867558)
<NET-ASSETS> 11558484
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 17062514
<OTHER-INCOME> 0
<EXPENSES-NET> 1489693
<NET-INVESTMENT-INCOME> 15572821
<REALIZED-GAINS-CURRENT> (9329800)
<APPREC-INCREASE-CURRENT> (17289446)
<NET-CHANGE-FROM-OPS> (11046425)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1196399)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 328346
<NUMBER-OF-SHARES-REDEEMED> (251897)
<SHARES-REINVESTED> 88298
<NET-CHANGE-IN-ASSETS> 1267628
<ACCUMULATED-NII-PRIOR> 15284
<ACCUMULATED-GAINS-PRIOR> (3100476)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 816005
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1753048
<AVERAGE-NET-ASSETS> 11942821
<PER-SHARE-NAV-BEGIN> 8.92
<PER-SHARE-NII> 0.81
<PER-SHARE-GAIN-APPREC> (1.48)
<PER-SHARE-DIVIDEND> (0.81)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 7.44
<EXPENSE-RATIO> 1.62
</TABLE>
