[bel] 2,230,000 in Belarus (2011 census). The majority of Belarusans speak Russian [rus] as their L1. Ethnic population: 7,960,000 (2009 census). Total users in all countries: 2,537,640. Status: 1 (National). Statutory national language (1994, Constitution, Article 17(1)), largely symbolic use. Alternate Names: Belarusian, Belorussian, Bielorussian, Byelorussian, White Russian, White Ruthenian. Dialects: Northeast Belarusan (Polots, Viteb-Mogilev), Southwest Belarusan (Grodnen-Baranovich, Slutska-Mazyrski, Slutsko-Mozyr), Central Belarusan. Linguistically between Russian [rus] and Ukrainian [ukr], with transitional dialects to both. Classification: Indo-European, Balto-Slavic, Slavic, East. Comments: Christian, Muslim.
[rml] 12,000 in Belarus (2015 L. Jouve). Status: 5 (Developing). Alternate Names: Balt Romani, Balt Slavic Romani, Baltic Slavic Romani, White Russian Romani. Classification: Indo-European, Indo-Iranian, Indo-Aryan, Intermediate Divisions, Western, Romani, Northern. Comments: Non-indigenous.
[rus] 6,670,000 in Belarus (2011 census). Russian [rus] is spoken by most of the population in Belarus as their L1. Ethnic population: 785,000 (2009 census). Status: 1 (National). Statutory national working language (1998, Languages Act, Article 2(1)). Classification: Indo-European, Balto-Slavic, Slavic, East.