Fortaleza's 2021 population is now estimated at 4,119,633. In 1950, the population of Fortaleza was 263,818. Fortaleza has grown by 46,168 since 2015, which represents a 1.13% 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 Fortaleza, which typically includes Fortaleza's population in addition to adjacent suburban areas.