Kumasi's 2026 population is now estimated at 4,166,880. In 1950, the population of Kumasi was 99,479. Kumasi has grown by 130,650 in the last year, which represents a 3.24% 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 Kumasi, which typically includes Kumasi's population in addition to adjacent suburban areas.