<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
consolidated Marsh & McLennen Companies, Inc. and subsidiaries September 30,
2000 financial statements and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
<CASH> 341,000,000
<SECURITIES> 0
<RECEIVABLES> 2,970,000,000
<ALLOWANCES> (127,000,000)
<INVENTORY> 0
<CURRENT-ASSETS> 3,687,000,000
<PP&E> 2,307,000,000
<DEPRECIATION> 982,000,000
<TOTAL-ASSETS> 13,616,000,000
<CURRENT-LIABILITIES> 4,062,000,000
<BONDS> 2,350,000,000
0
0
<COMMON> 276,000,000
<OTHER-SE> 4,727,000,000
<TOTAL-LIABILITY-AND-EQUITY> 13,616,000,000
<SALES> 0
<TOTAL-REVENUES> 7,681,000,000
<CGS> 0
<TOTAL-COSTS> 6,047,000,000
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 3,500,000
<INTEREST-EXPENSE> 191,000,000
<INCOME-PRETAX> 1,461,000,000
<INCOME-TAX> 566,000,000
<INCOME-CONTINUING> 895,000,000
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 895,000,000
<EPS-BASIC> 3.32
<EPS-DILUTED> 3.12
</TABLE>