<ARTICLE> 7
<LEGEND>
This Schedule contains summary financial information extracted from the
Consolidated Financial Statements of Allmerica Financial Corporation as of
September 30, 1999 and for the period then ended, and is qualified in its
entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000,000

                                        
<PERIOD-TYPE>                              9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               SEP-30-1999
<DEBT-HELD-FOR-SALE>                              7274
<DEBT-CARRYING-VALUE>                                0
<DEBT-MARKET-VALUE>                                  0
<EQUITIES>                                         101
<MORTGAGE>                                         546
<REAL-ESTATE>                                       18
<TOTAL-INVEST>                                    8266
<CASH>                                             999
<RECOVER-REINSURE>                                1205
<DEFERRED-ACQUISITION>                            1334
<TOTAL-ASSETS>                                   29080
<POLICY-LOSSES>                                   2863
<UNEARNED-PREMIUMS>                                911
<POLICY-OTHER>                                    2856
<POLICY-HOLDER-FUNDS>                             2973
<NOTES-PAYABLE>                                    243
<PREFERRED-MANDATORY>                              300
<PREFERRED>                                          0
<COMMON>                                             1
<OTHER-SE>                                        2212
<TOTAL-LIABILITY-AND-EQUITY>                     29080
<PREMIUMS>                                        1453
<INVESTMENT-INCOME>                                470
<INVESTMENT-GAINS>                                 107
<OTHER-INCOME>                                      91
<BENEFITS>                                        1335
<UNDERWRITING-AMORTIZATION>                        317
<UNDERWRITING-OTHER>                               358
<INCOME-PRETAX>                                    373
<INCOME-TAX>                                        84
<INCOME-CONTINUING>                                277
<DISCONTINUED>                                    (49)
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       227
<EPS-BASIC>                                     4.11
<EPS-DILUTED>                                     4.07
<RESERVE-OPEN>                                    2597
<PROVISION-CURRENT>                               1208
<PROVISION-PRIOR>                                (142)
<PAYMENTS-CURRENT>                                 587
<PAYMENTS-PRIOR>                                   517
<RESERVE-CLOSE>                                   2622
<CUMULATIVE-DEFICIENCY>                              0