<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACED FROM THE DECEMBER
1999 FORM 10-K FOR COMERICA INCORPORATED AND SUBSIDIARIES AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                       1,201,990
<INT-BEARING-DEPOSITS>                          13,921
<FED-FUNDS-SOLD>                                77,954
<TRADING-ASSETS>                                16,369
<INVESTMENTS-HELD-FOR-SALE>                  2,739,464
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                     32,693,278
<ALLOWANCE>                                    476,470
<TOTAL-ASSETS>                              38,653,332
<DEPOSITS>                                  23,291,403
<SHORT-TERM>                                 2,768,031
<LIABILITIES-OTHER>                            539,397
<LONG-TERM>                                  8,579,857
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    250,000
<COMMON>                                       786,166
<OTHER-SE>                                   2,438,478
<TOTAL-LIABILITIES-AND-EQUITY>              38,653,332
<INTEREST-LOAN>                              2,500,978
<INTEREST-INVEST>                              161,580
<INTEREST-OTHER>                                10,152
<INTEREST-TOTAL>                             2,672,710
<INTEREST-DEPOSIT>                             590,335
<INTEREST-EXPENSE>                           1,125,569
<INTEREST-INCOME-NET>                        1,547,141
<LOAN-LOSSES>                                  114,000
<SECURITIES-GAINS>                               5,453
<EXPENSE-OTHER>                              1,116,957
<INCOME-PRETAX>                              1,033,072
<INCOME-PRE-EXTRAORDINARY>                     672,589
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   672,589
<EPS-BASIC>                                       4.20
<EPS-DILUTED>                                     4.14
<YIELD-ACTUAL>                                    4.55
<LOANS-NON>                                    165,093
<LOANS-PAST>                                    47,676
<LOANS-TROUBLED>                                 7,347
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                               452,409
<CHARGE-OFFS>                                  120,976
<RECOVERIES>                                    31,004
<ALLOWANCE-CLOSE>                              476,470
<ALLOWANCE-DOMESTIC>                           236,189
<ALLOWANCE-FOREIGN>                             34,966
<ALLOWANCE-UNALLOCATED>                        205,315