<ARTICLE> 7
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM NATIONWIDE
LIFE INSURANCE COMPANY'S QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED
SEPTEMBER 30, 1999, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<DEBT-HELD-FOR-SALE>                            15,022
<DEBT-CARRYING-VALUE>                                0
<DEBT-MARKET-VALUE>                                  0
<EQUITIES>                                         103
<MORTGAGE>                                       5,614
<REAL-ESTATE>                                      250
<TOTAL-INVEST>                                  21,981
<CASH>                                              21
<RECOVER-REINSURE>                                   0
<DEFERRED-ACQUISITION>                           2,417
<TOTAL-ASSETS>                                  82,303
<POLICY-LOSSES>                                 21,456
<UNEARNED-PREMIUMS>                                  0
<POLICY-OTHER>                                       0
<POLICY-HOLDER-FUNDS>                                0
<NOTES-PAYABLE>                                      0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             4
<OTHER-SE>                                       2,797
<TOTAL-LIABILITY-AND-EQUITY>                    82,303
<PREMIUMS>                                         154
<INVESTMENT-INCOME>                              1,115
<INVESTMENT-GAINS>                                 (8)
<OTHER-INCOME>                                      67
<BENEFITS>                                         950
<UNDERWRITING-AMORTIZATION>                        196
<UNDERWRITING-OTHER>                               334
<INCOME-PRETAX>                                    473
<INCOME-TAX>                                       159
<INCOME-CONTINUING>                                315
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       315
<EPS-BASIC>                                       0.00
<EPS-DILUTED>                                     0.00
<RESERVE-OPEN>                                       0
<PROVISION-CURRENT>                                  0
<PROVISION-PRIOR>                                    0
<PAYMENTS-CURRENT>                                   0
<PAYMENTS-PRIOR>                                     0
<RESERVE-CLOSE>                                      0
<CUMULATIVE-DEFICIENCY>                              0