Fukuoka's 2025 population is now estimated at 5,465,920. In 1950, the population of Fukuoka was 1,403,150. Fukuoka experienced a decrease of -12,160 residents over the past year, marking an annual decline of -0.22%.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Fukuoka, which typically includes Fukuoka's population in addition to adjacent suburban areas.