L1 users: 250,000 (2007).
Sichuan province: Huili county; Yunnan province: Huize, Lufeng, Luquan, Qujing, Wuding, Xundian, Yongren, and Yuanmou counties.
5 (Developing). Language of recognized nationality: Yi.
Luquan Naso, Wuding Naisu. The Naisu dialect is also called Hong Yi (Red Yi). Degrees of similarity between dialects, and also with Naluo [ylo], needs further investigation.
Hei Yi means Black Yi. Christian, traditional religion.