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,
Ethnic minorities in China according to a 2005 sampling, constitute about 91.9% of the total population. The next largest ethnic groups in terms of population include the Zhuang (18 million), Manchu (15 million), Hui (10 million), Miao (9 million), Uyghur (8 million), Yi (7.8 million), Tujia (8 million), Mongols (5.8 million), Tibetans (5.4 million), Buyei (3 million), Yao (3.1 million), and Koreans (2.5 million). Minority populations are growing fast due to their being unaffected by the One Child Policy. The PRC's Constitution and laws guarantee equal rights to all ethnic groups in China and help promote ethnic minority groups' economic and cultural development One