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,
New energy vehicles in China become the world's all-time second largest plug-in electric passenger car manufacturer with more than 171,000 units delivered in China since 2008. BYD Auto was the world's top selling plug-in car manufacturer for a second year in a row with more than 100,000 units delivered in China in 2016, up 64% from 2015, and ahead of Tesla by about 30,000 units. However, in terms of sales revenue, Tesla ranked ahead with from its electric car sales in 2016, while BYD sales totaled from its electric car division. Cumulative sales of domestically built new energy vehicles in China totaled 951,447 units between