Nantong's 2021 population is now estimated at 2,351,145. In 1950, the population of Nantong was 243,191. Nantong has grown by 75,368 since 2015, which represents a 3.31% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Nantong, which typically includes Nantong's population in addition to adjacent suburban areas.