According to the charts, Dongguan has a population of 10.47 million, of which the urban population is 9.56 million. The gender ratio of Dongguan's population is 130.06 males to 100 females, making it outstanding among all the megacities and very large cities on the list.

In terms of the age composition of the population, the population aged 0-14 in Dongguan accounted for 13.12% of the total, those aged 15-59 is 81.41%, and that those over 60 years old is 5.47%, making Dongguan the youngest city among all the megacities and very large cities on the list. Shenzhen ranks second, with the population aged 15-59 accounting for 79.59%.

According to the "2019 Urban Construction Statistical Yearbook" released by the Ministry of Housing and Urban-Rural Development of China at the end of 2020, six cities in China met the standards of "megacities": Shanghai, Beijing, Chongqing, Guangzhou, Shenzhen, and Tianjin. At that time, there were ten cities met the standards of "very large cities", including Dongguan, Wuhan, Chengdu, Hangzhou, Nanjing, Zhengzhou, Xi'an, Jinan, Shenyang, Qingdao, etc.