Kanagawa神奈川県
Yokosuka 横須賀市
Data last updated:
Yokosuka, Kanagawa, Japan has a population of 364,720 (2025 national census). IPSS projections estimate 350,569 by 2030 and 272,859 by 2050 (a decrease of about 29.7% from 2020), with the share of residents aged 65+ rising from 32.2% in 2020 to 41.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年
(实际)
364,720人
2030年
(预测)
350,569人
▼ -9.7%
2040年
(预测)
310,150人
▼ -20.1%
2050年
(预测)
272,859人
▼ -29.7%
Change vs. 2020 census
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Kanagawa (神奈川県)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。
Yokosuka 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 | 421,107 | ▲ +8.5% | Census |
| 1985 | 427,116 | ▲ +10.1% | Census |
| 1990 | 433,358 | ▲ +11.7% | Census |
| 1995 | 432,193 | ▲ +11.4% | Census |
| 2000 | 428,645 | ▲ +10.5% | Census |
| 2005 | 426,178 | ▲ +9.8% | Census |
| 2010 | 418,325 | ▲ +7.8% | Census |
| 2015 | 406,586 | ▲ +4.8% | Census |
| 2020 | 388,078 | — | Census |
| 2025 | 364,720 | ▼ -6.0% | Census |
| 2030 | 350,569 | ▼ -9.7% | Projection |
| 2035 | 330,338 | ▼ -14.9% | Projection |
| 2040 | 310,150 | ▼ -20.1% | Projection |
| 2045 | 290,851 | ▼ -25.1% | Projection |
| 2050 | 272,859 | ▼ -29.7% | Projection |
About Yokosuka
Overview
Yokosuka (横須賀市) is a municipality in Kanagawa, Japan, with a population of 364,720 as of 2025.
Population Projection of Yokosuka
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Yokosuka's population is expected to reach 350,569 by 2030 (-9.7%), 310,150 by 2040 (-20.1%), and 272,859 by 2050 (-29.7%). A significant population decline is projected over the next three decades.
Aging Rate of Yokosuka
The aging rate (percentage of residents aged 65 and over) is 32.2% as of 2020 and is projected to rise to 41.9% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Yokosuka's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1065 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1100 out of 1903 nationwide.
- Population size: Ranked #63 out of 1917 nationwide.
- Related: National rankings / All municipalities in Kanagawa
Kanagawa (神奈川県)的收入水平: Kanagawa (神奈川県)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