Looks into the recent demographic trends related to Jewish Diaspora in Russia basing his deliberations on the latest, i.e., - 2002, census results. Reviewing statistical data of censuses from 1897 to 2002 author, an eminent Russian historian, states relative decline of this ethnic group's share in total population numbers from 3,3 to 0,2 per cent. An analysis of new demographic data, including numbers, average age, percentage shares of children and seniors, clearly demonstrates declining trends in this group's reproductive capacity. Also, all the facts are indicative for a departure of ethnic identity criteria, especially in younger groups, from the traditional ones.