Social-professional stratification of ethnic groups as a subject of Russian sociological researches

This article represents the review of Russian social researches of social-professional stratification of ethnic groups, since the 60th of the 20th century (since the reanimation of sociology). Several stages in studying of the matter are analyzed. The review of scientific literature allow to revealing a number of debatable questions in studying of social-professional guidances and preferences of representatives of various ethnic groups, and to designate «scientific lacunas».