<ARTICLE> 7
<LEGEND>
This Schedule contains summary financial information extracted from the
Consolidated Financial Statements of Allmerica Financial Corporation as of
December 31, 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>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
<DEBT-HELD-FOR-SALE>                              6934
<DEBT-CARRYING-VALUE>                                0
<DEBT-MARKET-VALUE>                                  0
<EQUITIES>                                          83
<MORTGAGE>                                         521
<REAL-ESTATE>                                       13
<TOTAL-INVEST>                                    7889
<CASH>                                             442
<RECOVER-REINSURE>                                1280
<DEFERRED-ACQUISITION>                            1387
<TOTAL-ASSETS>                                   30770
<POLICY-LOSSES>                                   2825
<UNEARNED-PREMIUMS>                                890
<POLICY-OTHER>                                    2839
<POLICY-HOLDER-FUNDS>                             2041
<NOTES-PAYABLE>                                    245
<PREFERRED-MANDATORY>                              300
<PREFERRED>                                          0
<COMMON>                                             1
<OTHER-SE>                                        2239
<TOTAL-LIABILITY-AND-EQUITY>                     30770
<PREMIUMS>                                        1951
<INVESTMENT-INCOME>                                616
<INVESTMENT-GAINS>                                  91
<OTHER-INCOME>                                     129
<BENEFITS>                                        1771
<UNDERWRITING-AMORTIZATION>                        430
<UNDERWRITING-OTHER>                               477
<INCOME-PRETAX>                                    468
<INCOME-TAX>                                       107
<INCOME-CONTINUING>                                361
<DISCONTINUED>                                    (49)
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       296
<EPS-BASIC>                                       5.38
<EPS-DILUTED>                                     5.33
<RESERVE-OPEN>                                    2597
<PROVISION-CURRENT>                               1601
<PROVISION-PRIOR>                                (183)
<PAYMENTS-CURRENT>                                 861
<PAYMENTS-PRIOR>                                   638
<RESERVE-CLOSE>                                   2619
<CUMULATIVE-DEFICIENCY>                              0