Bremen's 2023 population is now estimated at 578,438. In 1950, the population of Bremen was 444,647. Bremen has grown by 1,078 in the last year, which represents a 0.19% 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.