Fukuoka福岡県
Kitakyushu 北九州市
Data last updated:
Kitakyushu, Fukuoka, Japan has a population of 903,592 (2025 national census). IPSS projections estimate 873,315 by 2030 and 728,898 by 2050 (a decrease of about 22.4% from 2020), with the share of residents aged 65+ rising from 31.7% in 2020 to 38.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
903,592
2030
(Projection)
873,315
▼ -7.0%
2040
(Projection)
801,253
▼ -14.7%
2050
(Projection)
728,898
▼ -22.4%
Change vs. 2020 census
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Other municipalities in Fukuoka (福岡県)
Data Sources
- Portal Site of Official Statistics of Japan (e-Stat)（https://www.e-stat.go.jp/）
- National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)
* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.
Kitakyushu Population Table (1980–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1980 | 1,065,078 | ▲ +13.4% | Census |
| 1985 | 1,056,402 | ▲ +12.5% | Census |
| 1990 | 1,026,455 | ▲ +9.3% | Census |
| 1995 | 1,019,598 | ▲ +8.6% | Census |
| 2000 | 1,011,471 | ▲ +7.7% | Census |
| 2005 | 993,525 | ▲ +5.8% | Census |
| 2010 | 976,846 | ▲ +4.0% | Census |
| 2015 | 961,286 | ▲ +2.4% | Census |
| 2020 | 939,029 | — | Census |
| 2025 | 903,592 | ▼ -3.8% | Census |
| 2030 | 873,315 | ▼ -7.0% | Projection |
| 2035 | 837,844 | ▼ -10.8% | Projection |
| 2040 | 801,253 | ▼ -14.7% | Projection |
| 2045 | 764,423 | ▼ -18.6% | Projection |
| 2050 | 728,898 | ▼ -22.4% | Projection |
About Kitakyushu
Overview
Kitakyushu (北九州市) is a municipality in Fukuoka, Japan, with a population of 903,592 as of 2025.
Population Projection of Kitakyushu
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kitakyushu's population is expected to reach 873,315 by 2030 (-7.0%), 801,253 by 2040 (-14.7%), and 728,898 by 2050 (-22.4%). A significant population decline is projected over the next three decades.
Aging Rate of Kitakyushu
The aging rate (percentage of residents aged 65 and over) is 31.7% as of 2020 and is projected to rise to 38.7% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Kitakyushu's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1281 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1364 out of 1903 nationwide.
- Population size: Ranked #15 out of 1917 nationwide.
- Related: National rankings / All municipalities in Fukuoka
Earnings in Fukuoka (福岡県): Average salary in Fukuoka (福岡県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure