Administrative divisions of China By its political level, when a "city" is referred to, it can be a: By its actual area and population, it can be: When used in the statistical data, the word "city" may have three different meanings: It is important to specify the definition of "city" when referring to statistical data of Chinese cities, otherwise, confusion may arise. For example, Shanghai is the largest city in China by population in the urban area but is smaller than Chongqing by the population within the administration area. Before the establishment of the Qin Dynasty, China was ruled by a network of kings,
Pakistanis in China number of Pakistani students across China was estimated at 1,000 . Xinjiang is one of the major destinations for Pakistanis coming to China. , about 500 Pakistani international students were enrolled at universities in Xinjiang, the largest proportion—484—at Xinjiang Medical University. The desire to attract Pakistani students was a major driver behind the university's decision to move away from using Chinese as their medium of instruction, even though it has proven challenging for the professors there. They include about 120 students drawn from among the large migrant population of Pakistanis in Saudi Arabia. As of 2012, there are over 5,000