Distribution of Dai surname

With a population of nearly 4.3 million, Dai is the 64th surname in China, accounting for about 0.34% of the national population. Since the Song Dynasty, the population growth rate of the Dai people has been on the rise during the period of 1000. The distribution in China is mainly concentrated in Anhui, Hubei and Jiangsu provinces, accounting for about 34% of the total population of the Dai people, followed by Hunan, Sichuan, Guangdong, Chongqing, Zhejiang and Guizhou, which account for 36% of the total population of the Dai people. Anhui is the home of 12% of the total population of the Dai people and the largest province of the Dai people. Dai's gathering area, headed by Anhui and Jiangsu in the east and extending westward along the Yangtze River to Sichuan and Guizhou, has been formed all over the country. In the nearly 600 years since the Ming Dynasty, the migration direction of the Dai population from the east to central China and the west has been the mainstream, and the migration to the northeast has become a new direction. The schematic diagram of the distribution frequency of Dai surname in the crowd shows that in Anhui, Jiangsu, Shanghai and Zhejiang, most of Hubei, Jiangxi, Yunnan, Guizhou, Sichuan and Chongqing, most of Guangdong, Fujian and Taiwan Province, southeastern Lu Yu, southwestern Shaanxi, most of Liaoning, southern Jilin, eastern and northwestern corners of Heilongjiang, southeastern and northeastern corners of Inner Mongolia, the proportion of Dai surname is generally above 0.33%, and the central region can reach/kloc-. From the east of Qinghai Lake in the north to the east of Hengduan Mountains in Yunnan in the south, the distribution ratio of the Dai people in the local population is between 0. 1 1%-0.33%, accounting for about 33.2% of the total land area in China, and about 23% of the Dai people live there.