<TABLE> <S> <C>

<PAGE>

<ARTICLE> 7
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM C.M. LIFE'S
JUNE 30, 2000 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000883232
<NAME> C.M. LIFE INSURANCE COMPANY
<MULTIPLIER> 1,000,000

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               JUN-30-2000
<DEBT-HELD-FOR-SALE>                               838
<DEBT-CARRYING-VALUE>                              838<F1>
<DEBT-MARKET-VALUE>                                824
<EQUITIES>                                           0
<MORTGAGE>                                         230
<REAL-ESTATE>                                        0
<TOTAL-INVEST>                                   1,381
<CASH>                                             165
<RECOVER-REINSURE>                                   0
<DEFERRED-ACQUISITION>                               0
<TOTAL-ASSETS>                                   4,173
<POLICY-LOSSES>                                  1,279
<UNEARNED-PREMIUMS>                                  0
<POLICY-OTHER>                                       7
<POLICY-HOLDER-FUNDS>                            2,655
<NOTES-PAYABLE>                                      0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             3
<OTHER-SE>                                          87
<TOTAL-LIABILITY-AND-EQUITY>                     4,173
<PREMIUMS>                                       1,258
<INVESTMENT-INCOME>                                 51
<INVESTMENT-GAINS>                                 (2)
<OTHER-INCOME>                                      16
<BENEFITS>                                       1,182
<UNDERWRITING-AMORTIZATION>                          0
<UNDERWRITING-OTHER>                               151
<INCOME-PRETAX>                                    (8)
<INCOME-TAX>                                       (1)
<INCOME-CONTINUING>                                (7)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       (9)
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0
<RESERVE-OPEN>                                       0
<PROVISION-CURRENT>                                  0
<PROVISION-PRIOR>                                    0
<PAYMENTS-CURRENT>                                   0
<PAYMENTS-PRIOR>                                     0
<RESERVE-CLOSE>                                      0
<CUMULATIVE-DEFICIENCY>                              0
<FN>
<F1>C.M. LIFE'S FINANCIAL STATEMENTS HAVE BEEN PREPARED IN CONFORMITY WITH
ACCOUNTING PRACTICES AND PROCEDURES OF THE NATIONAL ASSOCIATION OF INSURANCE
COMMISSIONERS AS PRESCRIBED OR PERMITTED BY THE STATE OF CONNECTICUT INSURANCE
DEPARTMENTS. UNDER THESE ACCOUNTING PRACTICES, FIXED MATURITIES ELIGIBLE FOR
AMORTIZATION ARE REPORTED AT AMORTIZED COST.
</FN>



</TABLE>