1,043,000 in Russian Federation (2010 census). Population total all countries: 1,077,420.
Chuvashia Republic, east of Moscow, near Volga river. About half live in towns. Also in Estonia, Kazakhstan, Kyrgyzstan, Uzbekistan.
4 (Educational). Statutory language of provincial identity in Chuvash Republic (1993, Constitution, Article 68(2)).
Anatri, Viryal. The only extant language in Bolgar branch of Turkic.
200,000 L2 speakers. Most also use Russian [rus].
Christian, traditional religion.