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). Few monolinguals. Population total all countries: 452,800.


East central, Buriram, Surin, Sisaket, Ubon, and Roi Et provinces. Also in Cambodia, Laos.

Language Status

6b (Threatened).


Chang (Suai Chang), Kuay, Nheu.

Language Use

Positive attitudes. Have affection for Kuy and want to keep it. About 99% also use Lao [lao] and Northeastern Thai [tts], 80% Central Thai [tha], 40% Northern Khmer [kxm] (mainly older adults). Kuy villages often intermingled with those of Lao and Northern Khmer.

Language Development
Literacy rate in L1: Below 1%. Literacy rate in L2: 50%. Dictionary. NT: 1978.
Khmer script, used in Cambodia. Lao script, used in Laos. Thai script.
Other Comments

Traditional religion, Buddhist, Christian.

Also spoken in:

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