Longyan's 2021 population is now estimated at 703,524. In 1950, the population of Longyan was 30,962. Longyan has grown by 11,537 since 2015, which represents a 1.67% 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 Longyan, which typically includes Longyan's population in addition to adjacent suburban areas.