Mwanza's 2026 population is now estimated at 1,518,810. In 1950, the population of Mwanza was 12,751. Mwanza has grown by 71,470 in the last year, which represents a 4.94% 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 Mwanza, which typically includes Mwanza's population in addition to adjacent suburban areas.