日本人口减少模拟器

Kanagawa神奈川県

Samukawa 寒川町

Data last updated:

Samukawa, Kanagawa, Japan has a population of 48,081 (2025 national census). IPSS projections estimate 46,981 by 2030 and 42,167 by 2050 (a decrease of about 12.8% from 2020), with the share of residents aged 65+ rising from 27.6% in 2020 to 36.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

48,081人

2030年

(预测)

46,981人

▼ -2.8%

2040年

(预测)

44,677人

▼ -7.6%

2050年

(预测)

42,167人

▼ -12.8%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 27.6%→2050年 36.8%

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岁

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。

Samukawa 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
198036,417▼ -24.7%Census
198540,141▼ -17.0%Census
199044,532▼ -7.9%Census
199547,438▼ -1.9%Census
200046,369▼ -4.1%Census
200547,457▼ -1.8%Census
201047,672▼ -1.4%Census
201547,936▼ -0.9%Census
202048,348—Census
202548,081▼ -0.6%Census
203046,981▼ -2.8%Projection
203545,904▼ -5.1%Projection
204044,677▼ -7.6%Projection
204543,395▼ -10.2%Projection
205042,167▼ -12.8%Projection

About Samukawa

Overview

Samukawa (寒川町) is a municipality in Kanagawa, Japan, with a population of 48,081 as of 2025.

Population Projection of Samukawa

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Samukawa's population is expected to reach 46,981 by 2030 (-2.8%), 44,677 by 2040 (-7.6%), and 42,167 by 2050 (-12.8%). A modest population change is expected.

Aging Rate of Samukawa

The aging rate (percentage of residents aged 65 and over) is 27.6% as of 2020 and is projected to rise to 36.8% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Samukawa's demographic trajectory is similar to the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1543 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1493 out of 1903 nationwide.
  • Population size: Ranked #691 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

Frequently Asked Questions

Q.What is the current population of Samukawa, Kanagawa?
A.According to the 2025 national census, Samukawa has a population of 48,081.
Q.What is the population of Samukawa in 2026?
A.Samukawa's population in 2026 is estimated at approximately 47,861. This is an interpolated reference value between the 2025 census (48,081) and the IPSS projection for 2030 (46,981).
Q.What is the projected population of Samukawa in the future?
A.According to IPSS projections, Samukawa's population is expected to be 46,981 in 2030, 44,677 in 2040, and 42,167 in 2050.
Q.What is the population decline rate of Samukawa?
A.Over the 30 years from 2020 to 2050, Samukawa's population is projected to change by -12.8%. The 10-year change is -2.8% and the 20-year change is -7.6%.
Q.Why is the population of Samukawa 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 Samukawa, the share of residents aged 65+ is projected to rise from 27.6% to 36.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Samukawa?
A.Samukawa's aging rate (percentage aged 65 and over) is 27.6% as of 2020, projected to rise to 36.8% 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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