Slavic languages constitute one of the most important and consistent branches of the Indo-European language family.
There is a total of more than 315 million Slavic language speakers worldwide.
The most widely used Slavic languages are Russian (170 million), Polish (44 million), Ukrainian (41 million), Serbo-Croatian (20 million), Czech (12 million), Belarusian (10.2 million), Bulgarian (9 million), Slovak (5.6 million), Slovenian (2.2 million) and Macedonian (2 million).
Slavic Language Families
South Slavic: Slovenian, Serbo-Croatian, Bulgarian and Macedonian