100,000 speakers in Yugoslavia (1985 Gunnemark and
Kenrick); 4,865,450 in Slovakia (1990 WA); 510,366 in USA (1970 census);
17,370 in Canada (1971 census); 12,000 in Ukraine (1970 census); 100,000
or more in Hungary; 5,606,000 speakers in all countries.(For more informaiton,
refer to Ethnologue, Barbara F. Grimes, eds. 13th Edition)