日本人口减少模拟器

Hokkaido北海道

Kamikawa 上川町

Data last updated:

Kamikawa, Hokkaido, Japan has a population of 3,165 (2025 national census). IPSS projections estimate 2,600 by 2030 and 1,338 by 2050 (a decrease of about 61.8% from 2020), with the share of residents aged 65+ rising from 44.3% in 2020 to 46.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

3,165人

2030年

(预测)

2,600人

▼ -25.7%

2040年

(预测)

1,880人

▼ -46.3%

2050年

(预测)

1,338人

▼ -61.8%

Change vs. 2020 census

老龄化率（65岁以上）: 2020年 44.3%→2050年 46.8%

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输入年龄，即可查看您50、60、70、80岁时上川町的人口。

岁

Hokkaido (北海道)的其他市区町村

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查看Hokkaido (北海道)的所有市区町村 →

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。

Kamikawa Population Table (1980–2050)

Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.

YearPopulationvs 2020Type
19809,302▲ +165.8%Census
19858,018▲ +129.1%Census
19906,668▲ +90.5%Census
19956,285▲ +79.6%Census
20005,718▲ +63.4%Census
20055,176▲ +47.9%Census
20104,532▲ +29.5%Census
20154,044▲ +15.5%Census
20203,500—Census
20253,165▼ -9.6%Census
20302,600▼ -25.7%Projection
20352,217▼ -36.7%Projection
20401,880▼ -46.3%Projection
20451,589▼ -54.6%Projection
20501,338▼ -61.8%Projection

About Kamikawa

Overview

Kamikawa (上川町) is a municipality in Hokkaido, Japan, with a population of 3,165 as of 2025.

Population Projection of Kamikawa

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kamikawa's population is expected to reach 2,600 by 2030 (-25.7%), 1,880 by 2040 (-46.3%), and 1,338 by 2050 (-61.8%). The town is projected to lose more than half its population over 30 years.

Aging Rate of Kamikawa

The aging rate (percentage of residents aged 65 and over) is 44.3% as of 2020 and is projected to rise to 46.8% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Kamikawa is among the most rapidly declining municipalities in Japan.

National and Prefectural Rank

  • Population decline rate: Ranked #49 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #763 out of 1903 nationwide.
  • Population size: Ranked #1713 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Hokkaido

Hokkaido (北海道)的收入水平: Hokkaido (北海道)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

Frequently Asked Questions

Q.What is the current population of Kamikawa, Hokkaido?
A.According to the 2025 national census, Kamikawa has a population of 3,165.
Q.What is the population of Kamikawa in 2026?
A.Kamikawa's population in 2026 is estimated at approximately 3,052. This is an interpolated reference value between the 2025 census (3,165) and the IPSS projection for 2030 (2,600).
Q.What is the projected population of Kamikawa in the future?
A.According to IPSS projections, Kamikawa's population is expected to be 2,600 in 2030, 1,880 in 2040, and 1,338 in 2050.
Q.What is the population decline rate of Kamikawa?
A.Over the 30 years from 2020 to 2050, Kamikawa's population is projected to change by -61.8%. The 10-year change is -25.7% and the 20-year change is -46.3%.
Q.Why is the population of Kamikawa declining?
A.Nationwide, Japan's population decline is driven by natural decrease (deaths exceeding births) and, in regional municipalities, by net out-migration of young people to major metropolitan areas. In Kamikawa, the share of residents aged 65+ is projected to rise from 44.3% to 46.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Kamikawa?
A.Kamikawa's aging rate (percentage aged 65 and over) is 44.3% as of 2020, projected to rise to 46.8% by 2050.
Q.Where does this population data come from?
A.Historical data is sourced from Japan's national census via the e-Stat API (Statistics Bureau of Japan). Future projections are from the National Institute of Population and Social Security Research (IPSS) "Regional Population Projections 2023".
Q.Is the data up to date?
A.Historical data uses national census results through 2025. Future projections use the IPSS 2023 edition, which is based on the 2020 census.

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