According to Chinese public data, some 21 cities in China now have a population density of more than 1,000 people per square kilometer (0.386 square miles). Six cities are in Guangdong Province. Among them, Shenzhen is the most crowded city, with over 7,000 people per square kilometer.
The 10 cities with the highest population density are Shenzhen, Dongguan, Shanghai, Xiamen, Foshan, Guangzhou, Zhongshan, Shantou, Zhengzhou, and Wuxi, and eight of them have over 2,000 people per square kilometer.
Highly populated cities are mostly located around the Yangtze River Delta, Pearl River Delta, and the Beijing and Tianjin areas.
Shenzhen, Guangdong Province, holds the top spot with a permanent population of 17.68 million, a land area of ​​1,997 square kilometers (about 771 square miles), and a population density of 7,173 people per square kilometer. According to China’s 2020 national census, the population of Shenzhen increased by more than 7.26 million from 2010 to 2020— the most significant gain in the country….