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

<TABLE> <S> <C>

<ARTICLE>         6
<LEGEND>
This schedule contains summary financial information extracted from the
Statement of Assets and Liabilities, the Statement of Operations, the Statement
of Changes in Net Assets and the Per Unit Data and Ratios contained in the
financial statements of the fund to which this schedule relates and is qualified
in its entirety by reference to such financial statements.
</LEGEND>
<CIK>   0000878375
<NAME>   ABA MEMBERS/STATE STREET COLLECTIVE TRUST
<SERIES>
   <NUMBER> 0
   <NAME>   INDEX EQUITY FUND

<S>                                                              <C>
<PERIOD-TYPE>                                                    3-MOS
<FISCAL-YEAR-END>                                                DEC-31-2000
<PERIOD-START>                                                   JAN-01-2000
<PERIOD-END>                                                     MAR-31-2000
<INVESTMENTS-AT-COST>                                            243,726,772
<INVESTMENTS-AT-VALUE>                                           309,269,718
<RECEIVABLES>                                                              0
<ASSETS-OTHER>                                                        15,941
<OTHER-ITEMS-ASSETS>                                                 109,695
<TOTAL-ASSETS>                                                   309,395,353
<PAYABLE-FOR-SECURITIES>                                             109,695
<SENIOR-LONG-TERM-DEBT>                                                    0
<OTHER-ITEMS-LIABILITIES>                                          2,469,325
<TOTAL-LIABILITIES>                                                2,579,020
<SENIOR-EQUITY>                                                            0
<PAID-IN-CAPITAL-COMMON>                                                   0
<SHARES-COMMON-STOCK>                                                      0
<SHARES-COMMON-PRIOR>                                                      0
<ACCUMULATED-NII-CURRENT>                                                  0
<OVERDISTRIBUTION-NII>                                                     0
<ACCUMULATED-NET-GAINS>                                                    0
<OVERDISTRIBUTION-GAINS>                                                   0
<ACCUM-APPREC-OR-DEPREC>                                                   0
<NET-ASSETS>                                                     306,816,333
<DIVIDEND-INCOME>                                                          0
<INTEREST-INCOME>                                                          0
<OTHER-INCOME>                                                             0
<EXPENSES-NET>                                                       266,139
<NET-INVESTMENT-INCOME>                                             (266,139)
<REALIZED-GAINS-CURRENT>                                           1,556,350
<APPREC-INCREASE-CURRENT>                                         10,741,160
<NET-CHANGE-FROM-OPS>                                             12,031,371
<EQUALIZATION>                                                             0
<DISTRIBUTIONS-OF-INCOME>                                                  0
<DISTRIBUTIONS-OF-GAINS>                                                   0
<DISTRIBUTIONS-OTHER>                                                      0
<NUMBER-OF-SHARES-SOLD>                                              335,603
<NUMBER-OF-SHARES-REDEEMED>                                         (286,795)
<SHARES-REINVESTED>                                                        0
<NET-CHANGE-IN-ASSETS>                                            13,747,104
<ACCUMULATED-NII-PRIOR>                                                    0
<ACCUMULATED-GAINS-PRIOR>                                                  0
<OVERDISTRIB-NII-PRIOR>                                                    0
<OVERDIST-NET-GAINS-PRIOR>                                                 0
<GROSS-ADVISORY-FEES>                                                      0
<INTEREST-EXPENSE>                                                         0
<GROSS-EXPENSE>                                                            0
<AVERAGE-NET-ASSETS>                                             289,773,135
<PER-SHARE-NAV-BEGIN>                                                  33.20
<PER-SHARE-NII>                                                        (0.03)
<PER-SHARE-GAIN-APPREC>                                                (0.28)
<PER-SHARE-DIVIDEND>                                                    0.00
<PER-SHARE-DISTRIBUTIONS>                                                  0
<RETURNS-OF-CAPITAL>                                                       0
<PER-SHARE-NAV-END>                                                    34.56
<EXPENSE-RATIO>                                                         0.37
[AVG-DEBT-OUTSTANDING]                                                  0.00
[AVG-DEBT-PER-SHARE]                                                       0


</TABLE>