80 (2000 D. Bradley). Ethnic population: 500.
Suphanburi Province, Kok Chiang village; Uthai Thani Province, Khok Khwai village.
Kok Chiang, Suphanburi. Not closely related to other languages.
Extinct in traditional territory in western Kanchanaburi Province, moribund (youngest fluent speakers over 40, but revival activities underway) in Kok Chiang village in Suphanburi Province, endangered in Khok Khwai village in Uthai Thani Province, where they have recently lost their land and dispersed into the surrounding forests (2007). Home. Mainly older adults. All also use some variety of Thai [tha].
Distinct from Lawa [cbn] in the Palaung-Wa branch of Mon-Khmer. Relocated due to dam construction.