What is Slovakias main language?

Answer 1

Slovak Republic Languages: Slovak (official) 83.9%, Hungarian 10.7%, Roma 1.8%, Ukrainian 1%, other or unspecified 2.6% (2001 census)(SOURCE: From the CIA World Fact Book Slovakia entry, online version, as last updated 9 April 2009, link at: https://www.cia.gov/library/publications/the-world-factbook/geos/lo.HTML)

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The above really only covers a person's primary langauge.

You may also wish to consider that prior to the peaceful separation of the Czech and Slovak Republics in 1993, the national media for CzechoSlovakia used to broadcast in both the Czech and Slovak languages and as such, many Czechs and many Slovaks have a very functional understanding of the others language.

Furthermore, prior to the November, 1989 "Velvet Revolution", Czechoslovakia was efectively under Russian control. Until that time, Russian was typically taught as the primary foreign language.

These days, older people are likely to speak their native language first, then have working knowledge of Russian. Younger people are more likely to have learned significant English, especially if they are in the capital city Bratislava.

Hope this helps!