Sanaa's 2025 population is now estimated at 3,527,430. In 1950, the population of Sanaa was 46,000. Sanaa has grown by 119,620 in the last year, which represents a 3.51% 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.