Juba's 2026 population is now estimated at 474,156. In 1973, the population of Juba was 56,737. Juba has grown by 18,658 in the last year, which represents a 4.1% annual change. These population values and projections come from South Sudan cities and towns census 1973/1983 via CityPopulation attribution, South Sudan NBS city and town census 2008 via CityPopulation attribution and World Population Review Internal Projections .