<TABLE> <S> <C>
<ARTICLE> 7
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ALLEGHANY
CORPORATION CONSOLIDATED BALANCE SHEET AT JUNE 30, 2000 AND THE CONSOLIDATED
STATEMENT OF EARNINGS FOR THE 6 MONTHS THEN ENDED AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<DEBT-HELD-FOR-SALE> 24,680
<DEBT-CARRYING-VALUE> 0
<DEBT-MARKET-VALUE> 0
<EQUITIES> 440,223
<MORTGAGE> 0
<REAL-ESTATE> 0
<TOTAL-INVEST> 1,057,839
<CASH> 6,563
<RECOVER-REINSURE> 304,821
<DEFERRED-ACQUISITION> 0
<TOTAL-ASSETS> 2,830,575
<POLICY-LOSSES> 590,598
<UNEARNED-PREMIUMS> 356,728
<POLICY-OTHER> 0
<POLICY-HOLDER-FUNDS> 0
<NOTES-PAYABLE> 235,053
0
0
<COMMON> 0
<OTHER-SE> 1,164,043
<TOTAL-LIABILITY-AND-EQUITY> 2,830,575
218,364
<INVESTMENT-INCOME> 117,408
<INVESTMENT-GAINS> 159,010
<OTHER-INCOME> 0
<BENEFITS> 229,185
<UNDERWRITING-AMORTIZATION> 0
<UNDERWRITING-OTHER> 0
<INCOME-PRETAX> 69,476
<INCOME-TAX> (16,500)
<INCOME-CONTINUING> 85,976
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 85,976
<EPS-BASIC> 11.60
<EPS-DILUTED> 11.49
<RESERVE-OPEN> 0
<PROVISION-CURRENT> 0
<PROVISION-PRIOR> 0
<PAYMENTS-CURRENT> 0
<PAYMENTS-PRIOR> 0
<RESERVE-CLOSE> 0
<CUMULATIVE-DEFICIENCY> 0
</TABLE>