Chittagong's 2023 population is now estimated at 5,379,660. In 1950, the population of Chittagong was 288,853. Chittagong has grown by 126,818 in the last year, which represents a 2.41% 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 Chittagong, which typically includes Chittagong's population in addition to adjacent suburban areas.