Nanchang's 2025 population is now estimated at 4,104,120. In 1950, the population of Nanchang was 343,174. Nanchang has grown by 88,080 in the last year, which represents a 2.19% 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 Nanchang, which typically includes Nanchang's population in addition to adjacent suburban areas.