There are 4 first-tier cities, 15 new first-tier cities, 30 second-tier cities, 70 third-tier cities, 90 fourth-tier cities, and 128 fifth-tier cities.
List of cities by city:
First Tier Cities (4)
Beijing, Shanghai, Guangzhou, Shenzhen, referred to as "North, Guangzhou, Shenzhen".
New First Tier Cities (15)
Chengdu, Chongqing, Hangzhou, Wuhan, Xi'an, Zhengzhou, Qingdao, Changsha, Tianjin, Suzhou, Nanjing, Dongguan, Shenyang, Hefei, Foshan;
Second Tier Cities (30)
Kunming, Fuzhou, Wuxi, Xiamen, Harbin, Changchun, Nanchang, Jinan, Ningbo, Dalian, Guiyang, Wenzhou, Shijiazhuang, Quanzhou, Nanning, Jinhua, Changzhou, Zhuhai, Huizhou, Jiaxing, Nantong, Zhongshan, Baoding, Lanzhou, Taizhou, Xuzhou, Taiyuan, Shaoxing, Yantai, Langfang.
Six cities have an urban population of more than 10 million people, including four municipalities directly under the central government and two sub-provincial cities in Guangzhou and Shenzhen, of which Shanghai exceeds 20 million and Beijing and Chongqing exceed 15 million. However, Chongqing has 82,400 square kilometers, equivalent to the size of a medium-sized province, and some urban areas under its jurisdiction are far from the main urban area, and the current population of the main urban area of Chongqing is about 9 million people.