Tianjin is the largest coastal city in northern China. In terms of urban population, Tianjin is the fourth largest in China, after Shanghai, Beijing, and Guangzhou. In terms of administrative area population, Tianjin ranks fifth in Mainland China. The walled city of Tianjin was built in 1404. As a treaty port since 1860, Tianjin has been a major seaport and gateway to Beijing. During the Boxer Rebellion the city was the seat of the Tianjin Provisional Government. Under the Qing dynasty and the Republic of China, Tianjin became one of the largest cities in the region. At that time, numerous European-style
Poverty in China migrants are needed for economic development, and large numbers have in fact migrated. Many of these fall into the category of "floating population". There are nearly 200 million rural residents who spend at least six months of the year working in urban areas. Many of these people have for all practical purposes moved to a city, but they do not have official registration. Beyond the floating population, there are tens of millions of people who have left rural areas and obtained urban hukous. So, there is significant rural-urban migration in China, but it seems likely that the hukou system has