Neijiang's 2021 population is now estimated at 653,866. In 1950, the population of Neijiang was 185,041. Neijiang has grown by 7,992 since 2015, which represents a 1.24% 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 Neijiang, which typically includes Neijiang's population in addition to adjacent suburban areas.