Ibadan's 2021 population is now estimated at 3,649,023. In 1950, the population of Ibadan was 450,111. Ibadan has grown by 97,062 since 2015, which represents a 2.73% 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 Ibadan, which typically includes Ibadan's population in addition to adjacent suburban areas.