Details of population migration in northern Shaanxi during Qianlong Yongzheng period

In the early Qing Dynasty, during the reign of Kangxi, Yongzheng and Qianlong, preferential policies were formulated to encourage immigrants to move to Sichuan. By the forty-first year of Qianlong (1776), more than 6 million immigrants and their descendants from Hunan, Hubei, Guangdong, Jiangxi, Fujian, Guizhou and Shaanxi had moved to Sichuan, accounting for more than 6% of the local population.