How many ethnic groups are there in Tacheng, Xinjiang?
The population of Tacheng region consists of 28 ethnic groups, including Han, Kazakh, Hui, Uyghur, Mongolian, Dongxiang, Daur, Russian, Sibe, Kyrgyz, Tatar, Uzbek, Manchu, Zhuang, Tibetan, Miao, Buyi, Korean, Dong, Yao, Bai, Tujia, Tujia, Qiang, Salar, Ewenki, and Yugu. The least populated are the Bai and Buyi.