Bio, Biyue, Piyo
120,000 (Bradley 1997).
Yunnan province: southeast Simao prefecture, Jiangcheng, Jingdong, Mojiang, and Zhenyuan counties.
6a (Vigorous). Language of recognized nationality: Hani.
Also use Mandarin Chinese [cmn].
Literacy rate in L2: 70%. Observed functional literacy in Chinese is low. Official literacy rate for the Hani Nationality is registered much higher.