Juba's 2026 population is now estimated at 521,590. In 1950, the population of Juba was 6,249. Juba has grown by 21,502 in the last year, which represents a 4.3% 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 Juba, which typically includes Juba's population in addition to adjacent suburban areas.