Poznan's 2021 population is now estimated at 528,457. In 1950, the population of Poznan was 315,618. Poznan has grown by -2,573 since 2015, which represents a -0.48% 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 Poznan, which typically includes Poznan's population in addition to adjacent suburban areas.