Kagoshima's 2021 population is now estimated at 588,413. In 1950, the population of Kagoshima was 177,000. Kagoshima has grown by -2,629 since 2015, which represents a -0.44% 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 Kagoshima, which typically includes Kagoshima's population in addition to adjacent suburban areas.