Tokyo東京都
Kokubunji 国分寺市
Data last updated:
Kokubunji, Tokyo, Japan has a population of 128,033 (2025 national census). IPSS projections estimate 132,981 by 2030 and 130,403 by 2050 (an increase of about 0.9% from 2020), with the share of residents aged 65+ rising from 21.7% in 2020 to 29.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年实际
128,033人
2030年预测
132,981人
▲ +2.9%
2040年预测
133,144人
▲ +3.0%
2050年预测
130,403人
▲ +0.9%
Change vs. 2020 census
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Tokyo (東京都)的其他市区町村
数据来源
- 日本政府统计综合窗口(e-Stat)（https://www.e-stat.go.jp/）
- 国立社会保障・人口问题研究所「日本地区别未来推计人口（令和5年推计）」
※本服务使用e-Stat的API功能，但服务内容不受日本政府保证。
Kokubunji 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 | 91,010 | ▼ -29.6% | Census |
| 1985 | 95,467 | ▼ -26.1% | Census |
| 1990 | 100,982 | ▼ -21.9% | Census |
| 1995 | 105,786 | ▼ -18.1% | Census |
| 2000 | 111,404 | ▼ -13.8% | Census |
| 2005 | 117,604 | ▼ -9.0% | Census |
| 2010 | 120,650 | ▼ -6.6% | Census |
| 2015 | 122,742 | ▼ -5.0% | Census |
| 2020 | 129,242 | — | Census |
| 2025 | 128,033 | ▼ -0.9% | Census |
| 2030 | 132,981 | ▲ +2.9% | Projection |
| 2035 | 133,480 | ▲ +3.3% | Projection |
| 2040 | 133,144 | ▲ +3.0% | Projection |
| 2045 | 131,964 | ▲ +2.1% | Projection |
| 2050 | 130,403 | ▲ +0.9% | Projection |
About Kokubunji
Overview
Kokubunji (国分寺市) is a municipality in Tokyo, Japan, with a population of 128,033 as of 2025.
Population Projection of Kokubunji
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kokubunji's population is expected to reach 132,981 by 2030 (+2.9%), 133,144 by 2040 (+3.0%), and 130,403 by 2050 (+0.9%). Kokubunji is among the rare Japanese municipalities projected to see population growth.
Aging Rate of Kokubunji
The aging rate (percentage of residents aged 65 and over) is 21.7% as of 2020 and is projected to rise to 29.4% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Kokubunji's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1807 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1842 out of 1903 nationwide.
- Population size: Ranked #329 out of 1917 nationwide.
- Related: National rankings / All municipalities in Tokyo
Tokyo (東京都)的收入水平: Tokyo (東京都)的平均年收入（按年龄、性别、企业规模）jpsalary / 厚生劳动省 工资结构基本统计调查