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>   AGGRESSIVE EQUITY FUND

<S>                                                                 <C>
<PERIOD-TYPE>                                                       6-MOS
<FISCAL-YEAR-END>                                                   DEC-31-2000
<PERIOD-START>                                                      JAN-1-2000
<PERIOD-END>                                                        JUN-30-2000
<INVESTMENTS-AT-COST>                                               360,512,723
<INVESTMENTS-AT-VALUE>                                              517,641,587
<RECEIVABLES>                                                         8,188,963
<ASSETS-OTHER>                                                           18,342
<OTHER-ITEMS-ASSETS>                                                        828
<TOTAL-ASSETS>                                                      525,849,720
<PAYABLE-FOR-SECURITIES>                                              2,562,905
<SENIOR-LONG-TERM-DEBT>                                                       0
<OTHER-ITEMS-LIABILITIES>                                             7,321,131
<TOTAL-LIABILITIES>                                                   9,884,036
<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>                                                        515,965,684
<DIVIDEND-INCOME>                                                       796,366
<INTEREST-INCOME>                                                       965,477
<OTHER-INCOME>                                                                0
<EXPENSES-NET>                                                        1,967,544
<NET-INVESTMENT-INCOME>                                                (201,113)
<REALIZED-GAINS-CURRENT>                                             48,447,092
<APPREC-INCREASE-CURRENT>                                             3,820,815
<NET-CHANGE-FROM-OPS>                                                52,066,794
<EQUALIZATION>                                                                0
<DISTRIBUTIONS-OF-INCOME>                                                     0
<DISTRIBUTIONS-OF-GAINS>                                                      0
<DISTRIBUTIONS-OTHER>                                                         0
<NUMBER-OF-SHARES-SOLD>                                                 671,537
<NUMBER-OF-SHARES-REDEEMED>                                            (331,590)
<SHARES-REINVESTED>                                                           0
<NET-CHANGE-IN-ASSETS>                                               83,957,815
<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>                                                          0
<PER-SHARE-NAV-BEGIN>                                                     82.72
<PER-SHARE-NII>                                                           (0.03)
<PER-SHARE-GAIN-APPREC>                                                   10.07
<PER-SHARE-DIVIDEND>                                                       0.00
<PER-SHARE-DISTRIBUTIONS>                                                     0
<RETURNS-OF-CAPITAL>                                                          0
<PER-SHARE-NAV-END>                                                       92.76
<EXPENSE-RATIO>                                                            0.80
[AVG-DEBT-OUTSTANDING]                                                        0
[AVG-DEBT-PER-SHARE]                                                       0.00


</TABLE>