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>   STABLE ASSET RETURN 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>                                              707,551,221
<INVESTMENTS-AT-VALUE>                                             707,551,221
<RECEIVABLES>                                                        4,036,814
<ASSETS-OTHER>                                                         501,393
<OTHER-ITEMS-ASSETS>                                                    29,576
<TOTAL-ASSETS>                                                     712,089,428
<PAYABLE-FOR-SECURITIES>                                                     0
<SENIOR-LONG-TERM-DEBT>                                                      0
<OTHER-ITEMS-LIABILITIES>                                           11,242,025
<TOTAL-LIABILITIES>                                                 11,242,025
<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>                                                       700,847,403
<DIVIDEND-INCOME>                                                            0
<INTEREST-INCOME>                                                   22,189,757
<OTHER-INCOME>                                                               0
<EXPENSES-NET>                                                       1,267,076
<NET-INVESTMENT-INCOME>                                             20,922,682
<REALIZED-GAINS-CURRENT>                                                     0
<APPREC-INCREASE-CURRENT>                                                    0
<NET-CHANGE-FROM-OPS>                                               20,922,682
<EQUALIZATION>                                                               0
<DISTRIBUTIONS-OF-INCOME>                                          (20,922,682)
<DISTRIBUTIONS-OF-GAINS>                                                     0
<DISTRIBUTIONS-OTHER>                                                        0
<NUMBER-OF-SHARES-SOLD>                                            194,870,828
<NUMBER-OF-SHARES-REDEEMED>                                       (224,461,891)
<SHARES-REINVESTED>                                                 20,922,682
<NET-CHANGE-IN-ASSETS>                                              (8,668,381)
<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>                                                     1.00
<PER-SHARE-NII>                                                           0.03
<PER-SHARE-GAIN-APPREC>                                                      0
<PER-SHARE-DIVIDEND>                                                         0
<PER-SHARE-DISTRIBUTIONS>                                                (0.03)
<RETURNS-OF-CAPITAL>                                                         0
<PER-SHARE-NAV-END>                                                       1.00
<EXPENSE-RATIO>                                                            .36
[AVG-DEBT-OUTSTANDING]                                                       0
[AVG-DEBT-PER-SHARE]                                                         0


</TABLE>