4,280,000 in Russian Federation (2010 census). Population may include L2 speakers. Population total all countries: 5,406,110. Ethnic population: 5,310,000 (2010 census).
Tatarstan and Bashkortostan republics; Saint Petersburg and Moscow to eastern Siberia.
2 (Provincial). Statutory provincial language in Tatarstan Republic (1993, Constitution, Article 68(2)).
Eastern Tatar, Middle Tatar (Kazan), Western Tatar (Misher). Eastern Tatar is divided into 3: Tobol-Irtysh, Baraba, and Tom. Tobol-Irtysh is divided into 5: Tyumen, Tobol, Zabolotny, Tevriz, and Tara (Tumasheva). Mixed dialects are: Astrakhan, Kasimov, Tepter, and Ural (Poppe). 43,000 Astrakhan (L1 speakers) have shifted to the Middle dialect. Kasim (5,000 L1 speakers) is between Middle and Western Tatar. Tepter (300,000 L1 speakers) is reportedly between the Tatar and Bashkort [bak] languages.
Different from Crimean Tatar (Crimean Turkish [crh]). Muslim (Sunni), Christian.