<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE MARCH
2000 FORM 10-Q FOR COMERICA INCORPORATED AND SUBSIDIARIES AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                       1,444,127
<INT-BEARING-DEPOSITS>                          35,599
<FED-FUNDS-SOLD>                               134,337
<TRADING-ASSETS>                                 6,820
<INVESTMENTS-HELD-FOR-SALE>                  2,667,400
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                     33,864,260
<ALLOWANCE>                                    502,954
<TOTAL-ASSETS>                              39,660,314
<DEPOSITS>                                  23,308,545
<SHORT-TERM>                                 4,344,657
<LIABILITIES-OTHER>                            541,386
<LONG-TERM>                                  7,900,388
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    250,000
<COMMON>                                       786,166
<OTHER-SE>                                   2,529,172
<TOTAL-LIABILITIES-AND-EQUITY>              39,660,314
<INTEREST-LOAN>                                693,840
<INTEREST-INVEST>                               48,606
<INTEREST-OTHER>                                17,419
<INTEREST-TOTAL>                               759,865
<INTEREST-DEPOSIT>                             169,171
<INTEREST-EXPENSE>                             354,922
<INTEREST-INCOME-NET>                          404,943
<LOAN-LOSSES>                                   55,000
<SECURITIES-GAINS>                                 253
<EXPENSE-OTHER>                                296,023
<INCOME-PRETAX>                                274,617
<INCOME-PRE-EXTRAORDINARY>                     177,716
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   177,716
<EPS-BASIC>                                       1.11
<EPS-DILUTED>                                     1.10
<YIELD-ACTUAL>                                    4.47
<LOANS-NON>                                    173,503
<LOANS-PAST>                                    39,523
<LOANS-TROUBLED>                                 6,905
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                               476,470
<CHARGE-OFFS>                                   31,731
<RECOVERIES>                                     3,222
<ALLOWANCE-CLOSE>                              502,954
<ALLOWANCE-DOMESTIC>                           233,833
<ALLOWANCE-FOREIGN>                             36,875
<ALLOWANCE-UNALLOCATED>                        232,246