A language of Thailand

Alternate Names
Cuoi, Khamen-Boran, Kui, Kui Souei, Kuoy, Kuuy, Soai, Suai, Suay, Suei, Sui, Suoi

400,000 in Thailand (2006 Mahidol University). Population total all countries: 452,800. Few monolinguals.


Buriram, Surin, Sisaket, and Ubon Ratchathani provinces.

Language Status

6b (Threatened).


Chang (Suai Chang), Kuay, Nheu.

Language Use

Positive attitudes. Have affection for Kuy and want to keep it. 99% also use Lao [lao]. 99% also use Northeastern Thai [tts]. 40% also use Northern Khmer [kxm]. Mainly older adults. 80% also use Thai [tha].

Language Development
Literacy rate in L1: Below 1%. Literacy rate in L2: 50%. Dictionary. NT: 1978.

Khmer script [Khmr], used in Cambodia. Lao script [Laoo], used in Laos. Thai script [Thai].

Other Comments

Kuy villages often intermingled with those of Northern Khmer [kxm], Lao [lao]. Traditional religion, Buddhist, Christian.

Also spoken in:

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