<ARTICLE>                                            9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AND INCOME STATEMENT AND FROM THE MANAGEMENT DISCUSSION AND ANALYSIS AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS AND
MANAGEMENT DISCUSSION.
</LEGEND>
<CIK>                         0000093751
<NAME>                        STATE STREET CORPORATION
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1997
<PERIOD-END>                              DEC-31-1998
<CASH>                                          1,365
<INT-BEARING-DEPOSITS>                         12,085
<FED-FUNDS-SOLD>                               13,979
<TRADING-ASSETS>                                  335
<INVESTMENTS-HELD-FOR-SALE>                     8,560
<INVESTMENTS-CARRYING>                          1,177
<INVESTMENTS-MARKET>                            1,179
<LOANS>                                         6,309
<ALLOWANCE>                                        84
<TOTAL-ASSETS>                                 47,082
<DEPOSITS>                                     27,539
<SHORT-TERM>                                   13,908
<LIABILITIES-OTHER>                             2,402
<LONG-TERM>                                       922
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                         0
<COMMON>                                          167
<OTHER-SE>                                      2,144
<TOTAL-LIABILITIES-AND-EQUITY>                 47,082
<INTEREST-LOAN>                                   400
<INTEREST-INVEST>                                 558
<INTEREST-OTHER>                                1,278
<INTEREST-TOTAL>                                2,237
<INTEREST-DEPOSIT>                                656
<INTEREST-EXPENSE>                              1,492
<INTEREST-INCOME-NET>                             745
<LOAN-LOSSES>                                      17
<SECURITIES-GAINS>                                 10
<EXPENSE-OTHER>                                 2,068
<INCOME-PRETAX>                                   657
<INCOME-PRE-EXTRAORDINARY>                        657
<EXTRAORDINARY>                                     0
<CHANGES>                                           0
<NET-INCOME>                                      436
<EPS-PRIMARY>                                    2.71
<EPS-DILUTED>                                    2.66
<YIELD-ACTUAL>                                   5.50
<LOANS-NON>                                        12
<LOANS-PAST>                                        0
<LOANS-TROUBLED>                                    0
<LOANS-PROBLEM>                                     0
<ALLOWANCE-OPEN>                                   83
<CHARGE-OFFS>                                      19
<RECOVERIES>                                        3
<ALLOWANCE-CLOSE>                                  84
<ALLOWANCE-DOMESTIC>                               65
<ALLOWANCE-FOREIGN>                                19
<ALLOWANCE-UNALLOCATED>                             0