Sanaa's 2026 population is now estimated at 3,650,950. In 1950, the population of Sanaa was 46,000. Sanaa has grown by 123,520 in the last year, which represents a 3.5% 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 Sanaa, which typically includes Sanaa's population in addition to adjacent suburban areas.