Languages

Isan (Northeastern Thai), the language of the Isan region of Thailand, a collective term for the various Lao dialects spoken in Thailand that show some Siamese Thai influences, which is written with the Thai script. It is spoken by about over 20 million people..

Northern Thai (Phasa Nuea, Lanna, Kam Mueang, or Thai Yuan), is spoken by about 6 million people during 1983 in the formerly independent kingdom of Lanna (Chiang Mai).

Southern Thai (Thai Tai, Pak Tai, or Dambro), spoken by about 4.5 million people in 2006.

Phu Thai, spoken by about half a million people around Nakhon Phanom Province, and 300,000 more in Laos and Vietnam (2006).

Phuan, is spoken by 200,000 people in central Thailand and Isan, and 100,000 more in northern Laos (2006).

Shan (Thai Luang, Tai Long, Thai Yai), spoken by about 100,000 in north-west.

Lü (Tai Lue, Dai), spoken by about 80,000 (2001) in northern Thailand, and 600,000 more in China, Burma, and Laos (1981–2000).

Nyaw language, spoken by 50,000 in Nakhon Phanom Province, Sakhon Nakhon Province, Udon Thani Province of Northeast Thailand (1990).

Song, is spoken by about 30,000 people in central and northern Thailand (2000).