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,
Urban planning in China terms of human evolution and urban character". Ortuzar furthers this statement by indicating that there is "a long urban tradition which stretches far back in time. It has continued to remain uninterrupted for several thousands of years from the very origin of towns until the contemporary city. Few nations can exhibit such a continuity over a long period of time". Urban tradition is usually intimately related to urban antiquity, however, in the context of China it has its own set of attributes in relation to urban planning, design and the social realm. China's population is classified as being approximately 55-60%