Urbanization in China some cases to an ethnic stratification of labor and greater potential for ethnic conflict. In 2005, China had 286 cities. Most of China's cities have a population of one million and below. Shanghai is the largest city in China, with a population of 19 million, followed by Beijing with a population of 17.4 million. These are the two mega-cities in China. From 2010 to 2025, it is estimated by the Ministry of Housing and Urban-Rural Development that 300 million Chinese now living in rural areas will move into cities. The fast pace of urbanization will create at least one trillion
Koreans in China thousand Goryeo households was brought under his administration. In 1266, Wang Jun (), a member of the Goryeo royal family, was sent to the Mongol Empire as a hostage. There were 2,000 Goryeo households accompanying him and settled down in current-day Shenyang city in Northeast China. The Korean population in China surged during the Ming Dynasty. According to the "Chronicles of Liaodong" (), Koreans and Manchus accounted for 30% of the total local population in Northeast China. In 1386, the Ming government set up the Dongningwei () and Guangningwei () to settle the increasing Korean population in Northeast China. Between