Nasiriyah's 2026 population is now estimated at 731,471. In 1950, the population of Nasiriyah was 27,386. Nasiriyah has grown by 20,613 in the last year, which represents a 2.9% 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 Nasiriyah, which typically includes Nasiriyah's population in addition to adjacent suburban areas.