List of Balto-Slavic languages

These are the Balto-Slavic languages categorized by sub-groups, including number of speakers.

Baltic languages

 * Latvian, 1.75 million speakers (2015)
 * Latgalian, 200 000 speakers (2009)
 * Lithuanian, 3 million speakers (2012)

West Slavic languages

 * Polish, 55 million speakers (2010)
 * Kashubian
 * Czech, 10.6 million speakers (2012)
 * Slovak, 5.2 million speakers (2011–12)
 * Sorbian, ca. 50,000 speakers

South Slavic languages

 * Serbo-Croatian, 21 million speakers, including second language speakers
 * Bosnian, Croatian, Serbian and Montenegrin standards with dialectal differences
 * Bulgarian, 9 million (2005–12)
 * Slovene, 2.5 million speakers (2010)
 * Macedonian, 1.4–3.5 million speakers (1986–2011)
 * Church Slavonic (liturgical)

East Slavic languages

 * Russian, 150 million speakers (2010), 260 million including L2 (2012)
 * Ukrainian, 45 million speakers (2007)
 * Belarusian, 3.2 million speakers (2009)
 * Rusyn

Extinct languages

 * Proto-Balto-Slavic language


 * Slavic
 * Proto-Slavic
 * Old Church Slavonic, liturgical
 * Knaanic, Jewish language
 * Old Novgorod dialect
 * Old East Slavic, developed into modern East Slavic languages
 * Old Ruthenian
 * Polabian language
 * Pomeranian language, only Kashubian remains as a living dialect
 * South Slavic dialects used in medieval Greece


 * Baltic
 * Curonian
 * Old Prussian
 * Galindan
 * Selonian
 * Semigallian
 * Sudovian