Herat's 2021 population is now estimated at 635,579. In 1950, the population of Herat was 82,468. Herat has grown by 30,004 since 2015, which represents a 4.95% 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 Herat, which typically includes Herat's population in addition to adjacent suburban areas.