The Yi nationality is the sixth largest ethnic minority in China. The national language is slang, which belongs to the Tibetan-Burmese slang branch of the Han-Tibetan family. It has six dialects in the north, east, south, southeast, west and central, including five sub-districts and 25 Turkish languages. The Yi ethnic group is mainly distributed between the plateau and coastal hills of the four provinces (districts) of Yi, Sichuan, Yi and Gui, mainly concentrated in Chuxiong, Honghe, Liangshan, Bijie, Liupanshui and Anshun. Liangshan Yi Autonomous Prefecture is the largest Yi ethnic group in the country. According to the statistics of the China Statistics Yearbook - 2021, the population of the Yi people in China is 9830327.