Catania's 2021 population is now estimated at 586,049. In 1950, the population of Catania was 365,352. Catania has grown by 172 since 2015, which represents a 0.03% 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 Catania, which typically includes Catania's population in addition to adjacent suburban areas.