431,700 in Russian Federation (2010 census). Census includes Moksha [mdf]. Population total all countries: 514,330. Ethnic population: 843,350 Mordvin in Russia.
North and east Mordovia Republic; Nizhny Novgorod, Ulynovsk, Penza, Samara provinces; Orenburg Province, Buguruslan; Chuvashia, Tartastan, and Bashkortostan republics. Also in Armenia, Azerbaijan, Belarus, Estonia, Kazakhstan, Kyrgyzstan, Latvia, Lithuania, Turkmenistan, Ukraine, Uzbekistan.
Quite different from Moksha [mdf].
Many children learn the language but most of them use it only with elderly relatives. Vitality higher in Eastern diaspora areas than in the Republic (2007). Quite acculturated to national culture and Russian [rus].
Christian, traditional religion.