20 percent certain, based on the evidence available
In China, spoken in one village of 240 people. In Burma, spoken by 2,000 in two or three villages. In Thailand, spoken by some members in two villages with a population of 500.
Ethnic group is unclassified in China, but called Laopin locally. Classified as the Hpyin ethnic group in Burma. Usually included in the Lawa or Lua hill tribe category in Thailand.
- MORE ON VITALITY
Thailand: in Phadaeng village, the language is moribund, and in Takaw, recently extinct.
- OTHER LANGUAGES USED BY THE COMMUNITY
- LANGUAGE CONTEXT COMMENTS
Maintenance efforts underway; contact has recently been reestablished between the Bisu in these three areas.