Aracaju's 2021 population is now estimated at 1,026,529. In 1950, the population of Aracaju was 68,939. Aracaju has grown by 17,149 since 2015, which represents a 1.70% 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 Aracaju, which typically includes Aracaju's population in addition to adjacent suburban areas.