A language of Thailand

Alternate Names
Cuoi, Khamen-Boran, Kui, Kui Souei, Kuoy, Kuy, Soai, Suai, Suay, Suei, Sui, Suoi
กวย‎ (Kuay), กูย‎ (Kuuy)

400,000 (2006 Mahidol University). Few monolinguals. Total users in all countries: 456,600.


Surin, Buriram, Sisaket, and Ubon Ratchathani provinces: near Cambodian and Laos borders.

Language Status

6b (Threatened).


Chang (Suai Chang), Nheu, Kuay.

Language Use

Some young people, all adults. Positive attitudes. Have affection for Kuy and want to keep it. All also use Lao [lao], Northeastern Thai [tts]. Most also use Thai [tha]. Some also use Northern Khmer [kxm], especially older adults.

Language Development
Literacy rate in L2: 50%. Dictionary. Bible: 1992.

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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