Mbeya's 2026 population is now estimated at 746,046. In 1950, the population of Mbeya was 3,770. Mbeya has grown by 33,730 in the last year, which represents a 4.74% 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 Mbeya, which typically includes Mbeya's population in addition to adjacent suburban areas.