80,500 in Russian Federation (2010 census). Population total all countries: 360,500. Ethnic population: 183,000 (2010 census).
Kalmykiya Republic, Astrakhanskaya Oblast’, and Stavropol’skiy Kray; Volga-Don steppes northwest of the Caspian, north of the Caucasus; Dörböt dialect: mostly west Kalmykia; Torgut dialect: mostly east, lower Volga region,Province.
Buzawa, Dörböt (Derbet, Dörbet, Dörböd), Oirat (Oyrat), Sart Qalmaq, Torgut (Torghoud, Torghud, Torguud, Torguut). Diverged from other Mongolian languages. Called Kalmyk in the Russian Federation; Oirat in China and Mongolia; in the United States, Kalmyk not heavily influenced by Russian [rus]. Different from other varieties in China called Oirat [xal], which are sometimes called Asiatic Oirat. In Mongolia, some scholars consider Oirat to be a dialect of Halh Mongolian [khk].
The modern literary language is mainly based on the Torgut dialect, though it incorporates a large number of concessions to Dörböt. Buddhist (Lamaist).