<TABLE> <S> <C><ARTICLE>    6<CIK>    0000811869<NAME>    The AAL Mu<SERIES>    <NAME>    The AAL Large Company Institutional Index Fund    <NUMBER>    131</SERIES><MULTIPLIER>    1<S>                                                      <C><PERIOD-TYPE>                                          6-MOS<PERIOD-START>                                   May-01-2000<FISCAL-YEAR-END>                                Apr-30-2001<PERIOD-END>                                     Oct-31-2000<INVESTMENTS-AT-COST>                             29,274,363<INVESTMENTS-AT-VALUE>                            28,190,138<RECEIVABLES>                                         39,029<ASSETS-OTHER>                                        44,396<OTHER-ITEMS-ASSETS>                                       0<TOTAL-ASSETS>                                    28,273,563<PAYABLE-FOR-SECURITIES>                                   0<SENIOR-LONG-TERM-DEBT>                                    0<OTHER-ITEMS-LIABILITIES>                             69,016<TOTAL-LIABILITIES>                                   69,016<SENIOR-EQUITY>                                            0<PAID-IN-CAPITAL-COMMON>                          29,241,287<SHARES-COMMON-STOCK>                              2,863,037<SHARES-COMMON-PRIOR>                              2,775,311<ACCUMULATED-NII-CURRENT>                            183,788<OVERDISTRIBUTION-NII>                                     0<ACCUMULATED-NET-GAINS>                            (136,303)<OVERDISTRIBUTION-GAINS>                                   0<ACCUM-APPREC-OR-DEPREC>                         (1,084,225)<NET-ASSETS>                                      28,204,547<DIVIDEND-INCOME>                                    155,897<INTEREST-INCOME>                                      3,724<OTHER-INCOME>                                             0<EXPENSES-NET>                                        28,383<NET-INVESTMENT-INCOME>                              131,238<REALIZED-GAINS-CURRENT>                           (137,148)<APPREC-INCREASE-CURRENT>                          (283,709)<NET-CHANGE-FROM-OPS>                              (289,619)<EQUALIZATION>                                             0<DISTRIBUTIONS-OF-INCOME>                                  0<DISTRIBUTIONS-OF-GAINS>                                   0<DISTRIBUTIONS-OTHER>                                      0<NUMBER-OF-SHARES-SOLD>                               89,789<NUMBER-OF-SHARES-REDEEMED>                          (2,063)<SHARES-REINVESTED>                                        0<NET-CHANGE-IN-ASSETS>                               580,092<ACCUMULATED-NII-PRIOR>                               52,550<ACCUMULATED-GAINS-PRIOR>                                845<OVERDISTRIB-NII-PRIOR>                                    0<OVERDIST-NET-GAINS-PRIOR>                                 0<GROSS-ADVISORY-FEES>                                 35,742<INTEREST-EXPENSE>                                         0<GROSS-EXPENSE>                                       97,831<AVERAGE-NET-ASSETS>                              28,109,213<PER-SHARE-NAV-BEGIN>                                   9.95<PER-SHARE-NII>                                         0.05<PER-SHARE-GAIN-APPREC>                               (0.15)<PER-SHARE-DIVIDEND>                                       0<PER-SHARE-DISTRIBUTIONS>                                  0<RETURNS-OF-CAPITAL>                                       0<PER-SHARE-NAV-END>                                     9.85<EXPENSE-RATIO>                                          0.2<FN></FN></TABLE>