<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from
the
consolidated Marsh & McLennan Companies, Inc. and subsidiaires
March 31, 1997
financial statements and is qualified in its entirety by reference
to such
financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                     592,400,000
<SECURITIES>                                         0
<RECEIVABLES>                            1,403,800,000
<ALLOWANCES>                                40,300,000
<INVENTORY>                                          0
<CURRENT-ASSETS>                         2,396,700,000
<PP&E>                                   1,675,300,000
<DEPRECIATION>                             721,300,000
<TOTAL-ASSETS>                           7,257,600,000
<CURRENT-LIABILITIES>                    2,122,300,000
<BONDS>                                  1,169,700,000
<COMMON>                                    86,600,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                               2,915,100,000
<TOTAL-LIABILITY-AND-EQUITY>             7,257,600,000
<SALES>                                              0
<TOTAL-REVENUES>                         1,208,700,000
<CGS>                                                0
<TOTAL-COSTS>                              931,400,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                          17,500,000
<INCOME-PRETAX>                            263,000,000
<INCOME-TAX>                                98,600,000
<INCOME-CONTINUING>                        164,400,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               164,400,000
<EPS-PRIMARY>                                     2.25
<EPS-DILUTED>                                     2.25