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THE RUSSIAN STATE HAS EMERGED from the Soviet era dominated by an ethnic group, the Russians, whose language prevails in most educational and government institutions, and a religion, Russian Orthodoxy, that is professed by the vast majority of those citizens who admit to a religious preference. In some respects, Russia's relative homogeneity in language and religion is the result of the uniformity imposed by Soviet rule.


Russians continue to constitute the largest ethnic group in all but a handful of the Russian Federation's nominally ethnic republics, but leaders in many of the republics and smaller ethnic jurisdictions have pressed the central government to grant measures of autonomy and other concessions in the name of indigenous groups. The breakaway Republic of Chechnya has taken the process to its furthest extreme.


The issue of language diversity has risen in parallel with issues of local sovereignty. The Russian language retains its traditional dominance in official communications and in the education system; however, the increasing unofficial use of the federation's many minority languages shows that they survived Soviet repression with the capacity to flourish anew as the central government's power has diminished.


Ethnic Diversity

Besides the Slavs (Russians, Ukrainians, and Belarusians), who account for about 85 percent of Russia's population, three main ethnic groups and a handful of isolated smaller groups reside within the federation. The Altaic group includes mainly speakers of Turkic languages widely distributed in the middle Volga, the southern Ural Mountains, the North Caucasus, and above the Arctic Circle. The main Altaic peoples in Russia are the Balkars, Bashkirs, Buryats, Chuvash, Dolgans, Evenks, Kalmyks, Karachay, Kumyks, Nogay, and Yakuts. The Uralic group, consisting of Finnic peoples living in the upper Volga, the far northwest, and the Urals, includes the Karelians, Komi, Mari, Mordovians, and Udmurts. The Caucasus group is concentrated along the northern slopes of the Caucasus Mountains; its main subgroups are the Adyghs, Chechens, Cherkess, Ingush, and Kabardins, as well as about thirty Caucasus peoples collectively classified as Dagestani.


Source: http://countrystudies.us/russia/37.htm