Baku's 2025 population is now estimated at 2,496,500. In 1950, the population of Baku was 896,761. Baku has grown by 32,340 in the last year, which represents a 1.31% 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 Baku, which typically includes Baku's population in addition to adjacent suburban areas.