85,000 (2000 census).
Southeast and north Yunnan Province. Yongwu dialect: Chuxiong Yi autonomous prefecture, Yongren, Wuding and Dayao counties, and Kunming prefecture, Luquan Yi and Miao autonomous counties; Maguan dialect: Wenshan Zhuang and Miao autonomous prefectures, Maguan county; Yuanjiang dialect: Honghe Hani and Yi autonomous prefectures, Honghe and Yuanyang counties, as well as Yuxi prefecture, Yuanjiang Hani, Yi, and Dai autonomous counties; Lüshi dialect: Honghe Hani and Yi autonomous prefectures, Lüchun, Shiping, and Jianshui counties.
Lüshi, Maguan, Yongwu, Yuanjiang (Shui Dai). Dialects are significantly different and probably not all mutually intelligible. Tai Hongjin dialects have undergone more influence from Chinese and surrounding Ngwi languages (Yi and Hani) than other Yunnan Tai languages, and are only 50%–60% lexically similar to other Tai languages. Tai Hongjin is a subgroup of scattered non-Buddhist Southwestern Tai language groups, who have some common phonological traits, but many differences as well.
Officially classified within Dai nationality. Traditional religion.