Jambi's 2025 population is now estimated at 685,191. In 1950, the population of Jambi was 62,651. Jambi has grown by 12,608 in the last year, which represents a 1.87% 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 Jambi, which typically includes Jambi's population in addition to adjacent suburban areas.