Qiandongnan Miao and Dong Autonomous Prefecture (; Hmu language: ; Kam language: ), also known as Southeast Qian Autonomous Prefecture of Miao and Dong and shortened as S.E. Qian Prefecture (), is an autonomous prefecture in the southeast of Guizhou province in the People's Republic of China, bordering Hunan to the east and Guangxi to the south. The seat of the prefecture is Kaili. Qiandongnan has an area of .
The whole state governs 1 city of Kaili and 15 counties. There are 7 streets, 94 towns, and 110 townships (including 17 ethnic townships). There are 33 ethnic groups living in the territory, including Miao, Dong, Han, Buyi, Shui, Yao, Zhuang, and Tujia. According to the seventh census data in China, as of 00:00 on November 1, 2020, the resident population of Qiandongnan Miao and Dong Autonomous Prefecture was 3,758,622.
As of 2018, Qiandongnan had a huji population of 4,811,900, with 3,538,300 (73.53%) of whom were living in the region. 81.3% of the huji population were ethnic minorities: 43.2% were Miao and 30.4% were Dong.
According to the 2010 census, Qiandongnan has 3,480,626 inhabitants. Among them, 1,821,262 (52.33%) were male and 1,659,364 (47.67%) were female. 865,119 (24.86%) were aged 0âÂÂ14, 2,271,506 (65.26%) were aged 15âÂÂ64 and 344,002 (9.88%) were aged 65 or above. The urban population was 905,659 (26.02%) while the rural population was 2,574,967 (73.98%).
The prefecture is subdivided into 16 county-level divisions: 1 county-level city and 15 counties.