Toyama富山県
Kamiichi 上市町
Data last updated:
Kamiichi, Toyama, Japan has a population of 17,697 (2025 national census). IPSS projections estimate 16,598 by 2030 and 11,097 by 2050 (a decrease of about 42.7% from 2020), with the share of residents aged 65+ rising from 37.2% in 2020 to 52.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年实际
17,697人
2030年预测
16,598人
▼ -14.2%
2040年预测
13,750人
▼ -28.9%
2050年预测
11,097人
▼ -42.7%
Change vs. 2020 census
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Toyama (富山県)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。
Kamiichi 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 | 24,028 | ▲ +24.2% | Census |
| 1985 | 24,100 | ▲ +24.5% | Census |
| 1990 | 23,671 | ▲ +22.3% | Census |
| 1995 | 23,677 | ▲ +22.4% | Census |
| 2000 | 23,362 | ▲ +20.7% | Census |
| 2005 | 23,039 | ▲ +19.1% | Census |
| 2010 | 21,965 | ▲ +13.5% | Census |
| 2015 | 20,930 | ▲ +8.2% | Census |
| 2020 | 19,351 | — | Census |
| 2025 | 17,697 | ▼ -8.5% | Census |
| 2030 | 16,598 | ▼ -14.2% | Projection |
| 2035 | 15,172 | ▼ -21.6% | Projection |
| 2040 | 13,750 | ▼ -28.9% | Projection |
| 2045 | 12,381 | ▼ -36.0% | Projection |
| 2050 | 11,097 | ▼ -42.7% | Projection |
About Kamiichi
Overview
Kamiichi (上市町) is a municipality in Toyama, Japan, with a population of 17,697 as of 2025.
Population Projection of Kamiichi
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kamiichi's population is expected to reach 16,598 by 2030 (-14.2%), 13,750 by 2040 (-28.9%), and 11,097 by 2050 (-42.7%). A significant population decline is projected over the next three decades.
Aging Rate of Kamiichi
The aging rate (percentage of residents aged 65 and over) is 37.2% as of 2020 and is projected to rise to 52.5% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Kamiichi is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #621 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #398 out of 1903 nationwide.
- Population size: Ranked #1113 out of 1917 nationwide.
- Related: National rankings / All municipalities in Toyama
Toyama (富山県)的收入水平: Toyama (富山県)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