Official: Russian and Ukrainian
Ukraine has a population of 35.7 million and is home to several distinct language communities, with 8 languages meeting our inclusion threshold. Russian and Ukrainian serve as the official languages. Of the languages spoken in Ukraine, 6 are supported by LEXIGO's professional translation services.
"Ukrainian (official) 67.5%, Russian (regional language) 29.6%, other (includes Crimean Tatar, Moldovan/Romanian, and Hungarian) 2.9% (2001 est.)"