48,400,000 (2010). Total users in all countries: 77,233,270.
1 (National). De facto national language.
Seoul (Kangwondo, Kyonggido), Chungcheongdo (North Chungcheongdo, South Chungcheongdo), Kyongsangdo (North Kyongsangdo, South Kyongsangdo), Jeollado (North Jeollado, South Jeollado), Jeju Island. Scholars differ as to whether or not Korean is related to Japanese [jpn]. Dialect boundaries generally correspond to provincial boundaries. Some dialects are not easily intelligible with others (Voegelin and Voegelin 1977). The suffix, -do, on dialect names means Province. Comprehension of standard Korean may be lower on Jeju Island.
SOV; postpositions; noun head final; no articles; case-marking (6 cases); passives; tense and aspect; causatives; 21 consonants, 8 vowels, 12 diphthongs; non-tonal; traces of vowel harmony; 3 social registers.