Chechens
In 1989, 73.4% spoke Russian, though this figure has declined due to the wars for a large number of reasons (including the lack of proper education, the refusal to learn the language, and the mass dispersal of the Chechen diaspora due to the war). Chechens in the diaspora often speak the language of the country they live in (English, German, Arabic, Polish, Georgian, etc.).
Itelmen language
Itelmen (autonym: "itənmən") or Western Itelmen, formerly known as Western Kamchadal, is a language of the Chukotko-Kamchatkan family spoken on the western coast of the Kamchatka Peninsula. Fewer than a hundred native speakers, mostly elderly, in a few settlements in the southwest of Koryak Autonomous Okrug, remained in 1993. The 2002 Census counted 3,180 ethnic Itelmens, virtually all of whom are now monolingual in Russian. However, there are attempts to revive the language, and it is being taught in a number of schools in the region.