These population estimates and projections come from the latest revision of the UN World Urbanization Prospects.These estimates represent the Urban agglomeration of Abuja, which typically includes Abuja's population … Abuja was Nigeria’s first planned city, its location chosen in part for its centrality, pleasant climate, and low population density and the availability of land for future expansion. Abuja, city, capital of Nigeria. It is a planned city, designed as a new national capital city to replace Lagos, and was built mainly in the 1980s, replacing the country's most populous city of Lagos as the capital on 12 December 1991. The current … Population density is concentrated within Abuja’s urban area with an average 3,421 residents per square mile (1,321 per square kilometer). It lies in the central part of the Federal Capital Territory (FCT), which was created in 1976. United Nations population projections are also included through the year 2035. The Presidential Complex, National Assembly, Supreme Courtand much of the city extend to the south of the … Abuja's 2020 population is now estimated at 3,277,740.In 1950, the population of Abuja was 18,977.Abuja has grown by 836,049 since 2015, which represents a 6.07% annual change. Abuja's geography is defined by Aso Rock, a 400-metre (1,300 ft) monolith left by water erosion. Abuja is the capital city of Nigeria located in the centre of the country within the Federal Capital Territory (FCT). Zooming out to Nigeria’s overall land boundaries, the nation’s population density thins out to an average …