210,000 (2007), decreasing.
Yunnan Province, Honghe, Yuanyang, Lüchun (Eastern), Jinping, Shiping (Southern), and Yuanjiang (Southeastern) counties.
Use active in areas with high concentrations of Nisu. However, increasing lexical borrowing from Chinese. Code switching common between Nisu and Chinese. Many men and women spend part of the year working in predominantly Chinese towns or cities. Home, village. Actively used by people middle-aged and above. Neutral attitudes. Many parents teach their children the Chinese [cmn] local dialect as L1 to do well in school. Village children eventually learn Nisu (with many loan words from Chinese). Chinese is the L2, spoken with outsiders.
Officially classified within Yi nationality. Traditional religion.