470,000 in Russian Federation (2012 T. Salminen). Ethnic population: 548,000 (2010 census). Total users in all countries: 482,000.
Mariy-El Republic: Bashkortostan, Sverdlovskaya Oblast’, Kirovskaya Oblast’, and Permskiy Kray; east of the Volga.
Grassland Mari (Meadow Mari, Sernur-Morkin, Volga, Yoshkar-Olin). A member of macrolanguage Mari [chm].
In many publications the term, Eastern Mari, is reserved for the diaspora groups outside the Republic. Christian, traditional religion.