Bremen's 2021 population is now estimated at 566,331. In 1950, the population of Bremen was 444,647. Bremen has grown by 977 since 2015, which represents a 0.17% 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 Bremen, which typically includes Bremen's population in addition to adjacent suburban areas.