Population total all countries: 240. Ethnic population: 700 (Bradley 2007).
Chiang Rai Province, Doi Chomphu and Pui Kham villages.
SOV; simple syllable structure; certain obstruent onsets may be prenasalized, aspirated, or palatalized, but otherwise no consonant clusters; syllables may be closed by stop or nasal; 3 tones, tone sandhi; words have 1 or 2 syllables; modifiers follow heads; loanwords from Dai and Chinese.
Not all young people speak Bisu (Bradley 2007). Younger generations are bilingual in Northern Thai [nod].
The terms ‘Lawa’ and ‘Lua’ generally refer to Waic language varieties in Thailand: sometimes outsiders have classified unrelated languages such as Bisu in this category. Traditional religion, Christian.