Hefei's 2021 population is now estimated at 4,371,005. In 1950, the population of Hefei was 145,407. Hefei has grown by 129,491 since 2015, which represents a 3.05% 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 Hefei, which typically includes Hefei's population in addition to adjacent suburban areas.