Kampala's 2026 population is now estimated at 4,491,110. In 1950, the population of Kampala was 95,368. Kampala has grown by 225,950 in the last year, which represents a 5.3% 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 Kampala, which typically includes Kampala's population in addition to adjacent suburban areas.