日本人口减少模拟器

Niigata新潟県

Gosen 五泉市

Data last updated:

Gosen, Niigata, Japan has a population of 43,481 (2025 national census). IPSS projections estimate 40,036 by 2030 and 26,794 by 2050 (a decrease of about 43.7% from 2020), with the share of residents aged 65+ rising from 36.0% in 2020 to 50.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

43,481人

2030年

(预测)

40,036人

▼ -15.9%

2040年

(预测)

33,178人

▼ -30.3%

2050年

(预测)

26,794人

▼ -43.7%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 36%→2050年 50.5%

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岁

Niigata (新潟県)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。

Gosen 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
198062,516▲ +31.3%Census
198562,781▲ +31.8%Census
199061,289▲ +28.7%Census
199560,354▲ +26.7%Census
200058,820▲ +23.5%Census
200556,962▲ +19.6%Census
201054,550▲ +14.5%Census
201551,404▲ +7.9%Census
202047,625—Census
202543,481▼ -8.7%Census
203040,036▼ -15.9%Projection
203536,553▼ -23.2%Projection
204033,178▼ -30.3%Projection
204529,904▼ -37.2%Projection
205026,794▼ -43.7%Projection

About Gosen

Overview

Gosen (五泉市) is a municipality in Niigata, Japan, with a population of 43,481 as of 2025.

Population Projection of Gosen

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Gosen's population is expected to reach 40,036 by 2030 (-15.9%), 33,178 by 2040 (-30.3%), and 26,794 by 2050 (-43.7%). A significant population decline is projected over the next three decades.

Aging Rate of Gosen

The aging rate (percentage of residents aged 65 and over) is 36.0% as of 2020 and is projected to rise to 50.5% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

Gosen is experiencing one of the faster rates of population decline in Japan.

National and Prefectural Rank

  • Population decline rate: Ranked #576 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #531 out of 1903 nationwide.
  • Population size: Ranked #744 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Niigata

Niigata (新潟県)的收入水平: Niigata (新潟県)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 Gosen, Niigata?
A.According to the 2025 national census, Gosen has a population of 43,481.
Q.What is the population of Gosen in 2026?
A.Gosen's population in 2026 is estimated at approximately 42,792. This is an interpolated reference value between the 2025 census (43,481) and the IPSS projection for 2030 (40,036).
Q.What is the projected population of Gosen in the future?
A.According to IPSS projections, Gosen's population is expected to be 40,036 in 2030, 33,178 in 2040, and 26,794 in 2050.
Q.What is the population decline rate of Gosen?
A.Over the 30 years from 2020 to 2050, Gosen's population is projected to change by -43.7%. The 10-year change is -15.9% and the 20-year change is -30.3%.
Q.Why is the population of Gosen 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 Gosen, the share of residents aged 65+ is projected to rise from 36.0% to 50.5% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Gosen?
A.Gosen's aging rate (percentage aged 65 and over) is 36.0% as of 2020, projected to rise to 50.5% 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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