UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549



                                    FORM 8-K


                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

     Date of report (Date of earliest event reported)           May 14, 2003

                       21st Century Insurance Group, Inc.
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)

         California                    0-6964                 95-1935264
(STATE OR OTHER JURISDICTION        (COMMISSION             (IRS EMPLOYER
     OF INCORPORATION)              FILE NUMBER)          IDENTIFICATION NO)

     6301 Owensmouth Avenue
    Woodland Hills, California                                  91367
  (ADDRESS OF PRINCIPAL EXECUTIVE                             (ZIP CODE)
             OFFICES)


      Registrant's telephone number, including area code     (818) 704-3700


                                 Not Applicable
          (FORMER NAME OR FORMER ADDRESS, IF CHANGED SINCE LAST REPORT)



ITEM  9.  REGULATION  FD DISCLOSURE (THE FOLLOWING DISCUSSION IS FURNISHED UNDER
"ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION."

     In  accordance  with  SEC  Release  No. 33-8216, the following information,
     required  to  be  furnished  under  "Item  12.  Results  of  Operations and
     Financial Condition" is furnished under "Item 9. Regulation FD Disclosure."

     On  May  14,  2003,  21st  Century  Insurance  Group issued a press release
     announcing  its  results for the first quarter ended March 31, 2003. A copy
     of  the  press  release  is attached as Exhibit 99.1 to this Form 8-K. This
     Form  8-K  and  the attached exhibit are provided under Item 12 of Form 8-K
     and  are  furnished  to,  but  not  filed with, the Securities and Exchange
     Commission.

     Within  its  earnings  release  21st  Century  Insurance  Group  presents a
     non-GAAP  measurement  of performance termed "Personal Auto Lines Operating
     Income."  This  key  measure  is  useful  to investors because it shows the
     results  of  the  Company's  core  ongoing business excluding the impact of
     charges  relating  to  the  lines  of  business in runoff and non-recurring
     entries.  This  measurement  is  also  used by management in monitoring the
     performance  of  the  Company's  operations.


                                    SIGNATURE

     Pursuant  to  the  requirements of the Securities Exchange Act of 1934, the
registrant  has  duly  caused  this  report  to  be  signed on its behalf by the
undersigned  hereunto  duly  authorized.


                                              21ST CENTURY INSURANCE GROUP, INC.
                                              ----------------------------------
                                                        (Registrant)



Date: May 15, 2003                 By:
                                      ------------------------------------------
                                           Michael J. Cassanego, Senior Vice
                                           President and General Counsel


                                  EXHIBIT INDEX

Exhibit  No.               Description
------------               -----------

    99.1                   Press release of 21st Century Insurance Group,

                           dated May 14, 2003