Ciudad Guayana's 2021 population is now estimated at 933,968. In 1950, the population of Ciudad Guayana was 4,990. Ciudad Guayana has grown by 16,268 since 2015, which represents a 1.77% 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 Ciudad Guayana, which typically includes Ciudad Guayana's population in addition to adjacent suburban areas.