Aden's 2021 population is now estimated at 1,011,890. In 1950, the population of Aden was 72,000. Aden has grown by 31,435 since 2015, which represents a 3.21% 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.