Ar-Rayyan's 2026 population is now estimated at 846,071. In 1950, the population of Ar-Rayyan was 2,205. Ar-Rayyan has grown by 14,382 in the last year, which represents a 1.73% 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 Ar-Rayyan, which typically includes Ar-Rayyan's population in addition to adjacent suburban areas.