20,200,000 in Thailand (2000). 400,000 Khorat. 4,700,000 mother-tongue Thai are ethnic Chinese, or 80% of the Chinese (1984). L2 users: 40,000,000 in Thailand (2001 A. Diller). Total users in all countries: 60,489,750 (as L1: 20,489,750; as L2: 40,000,000).
Central, centered in Bangkok. Khorat dialect: Ratchasima.
1 (National). De facto national language.
Khorat Thai (Korat, Thaikorat).
SVO; prepositions; noun head initial; no articles; comparatives; 20 consonants, 18 vowels, 14 diphthongs, 3 triphthongs; tonal (5 phonemic tones: 3 level, 2 contour).
Different from Central Tai, which is a separate branch of the Tai language family. Buddhist.