Kanagawa神奈川県
Hayama 葉山町
Data last updated:
Hayama, Kanagawa, Japan has a population of 30,030 (2025 national census). IPSS projections estimate 29,800 by 2030 and 27,051 by 2050 (a decrease of about 14.6% from 2020), with the share of residents aged 65+ rising from 32.4% in 2020 to 41.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年
(实际)
30,030人
2030年
(预测)
29,800人
▼ -5.9%
2040年
(预测)
28,089人
▼ -11.3%
2050年
(预测)
27,051人
▼ -14.6%
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。
Hayama 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 | 28,359 | ▼ -10.4% | Census |
| 1985 | 29,231 | ▼ -7.7% | Census |
| 1990 | 29,536 | ▼ -6.7% | Census |
| 1995 | 29,883 | ▼ -5.6% | Census |
| 2000 | 30,413 | ▼ -4.0% | Census |
| 2005 | 31,531 | ▼ -0.4% | Census |
| 2010 | 32,766 | ▲ +3.5% | Census |
| 2015 | 32,096 | ▲ +1.4% | Census |
| 2020 | 31,665 | — | Census |
| 2025 | 30,030 | ▼ -5.2% | Census |
| 2030 | 29,800 | ▼ -5.9% | Projection |
| 2035 | 28,848 | ▼ -8.9% | Projection |
| 2040 | 28,089 | ▼ -11.3% | Projection |
| 2045 | 27,516 | ▼ -13.1% | Projection |
| 2050 | 27,051 | ▼ -14.6% | Projection |
About Hayama
Overview
Hayama (葉山町) is a municipality in Kanagawa, Japan, with a population of 30,030 as of 2025.
Population Projection of Hayama
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Hayama's population is expected to reach 29,800 by 2030 (-5.9%), 28,089 by 2040 (-11.3%), and 27,051 by 2050 (-14.6%). A modest population change is expected.
Aging Rate of Hayama
The aging rate (percentage of residents aged 65 and over) is 32.4% as of 2020 and is projected to rise to 41.8% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Hayama's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1492 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1108 out of 1903 nationwide.
- Population size: Ranked #905 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