Aden's 2025 population is now estimated at 1,154,410. In 1950, the population of Aden was 72,000. Aden has grown by 38,220 in the last year, which represents a 3.42% 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 Aden, which typically includes Aden's population in addition to adjacent suburban areas.