日本人口减少模拟器

Tochigi栃木県

Mashiko 益子町

Data last updated:

Mashiko, Tochigi, Japan has a population of 20,113 (2025 national census). IPSS projections estimate 18,991 by 2030 and 13,260 by 2050 (a decrease of about 39.4% from 2020), with the share of residents aged 65+ rising from 32.4% in 2020 to 50.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年实际

20,113人

2030年预测

18,991人

▼ -13.3%

2040年预测

16,175人

▼ -26.1%

2050年预测

13,260人

▼ -39.4%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 32.4%→2050年 50.6%

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岁

Tochigi (栃木県)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。

Mashiko 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
198022,104▲ +0.9%Census
198523,395▲ +6.8%Census
199024,317▲ +11.0%Census
199525,255▲ +15.3%Census
200025,685▲ +17.3%Census
200525,080▲ +14.5%Census
201024,348▲ +11.2%Census
201523,281▲ +6.3%Census
202021,898—Census
202520,113▼ -8.2%Census
203018,991▼ -13.3%Projection
203517,596▼ -19.6%Projection
204016,175▼ -26.1%Projection
204514,688▼ -32.9%Projection
205013,260▼ -39.4%Projection

About Mashiko

Overview

Mashiko (益子町) is a municipality in Tochigi, Japan, with a population of 20,113 as of 2025.

Population Projection of Mashiko

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Mashiko's population is expected to reach 18,991 by 2030 (-13.3%), 16,175 by 2040 (-26.1%), and 13,260 by 2050 (-39.4%). A significant population decline is projected over the next three decades.

Aging Rate of Mashiko

The aging rate (percentage of residents aged 65 and over) is 32.4% as of 2020 and is projected to rise to 50.6% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

Mashiko's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #739 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #523 out of 1903 nationwide.
  • Population size: Ranked #1074 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Tochigi

Tochigi (栃木県)的收入水平: Tochigi (栃木県)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 Mashiko, Tochigi?
A.According to the 2025 national census, Mashiko has a population of 20,113.
Q.What is the population of Mashiko in 2026?
A.Mashiko's population in 2026 is estimated at approximately 19,889. This is an interpolated reference value between the 2025 census (20,113) and the IPSS projection for 2030 (18,991).
Q.What is the projected population of Mashiko in the future?
A.According to IPSS projections, Mashiko's population is expected to be 18,991 in 2030, 16,175 in 2040, and 13,260 in 2050.
Q.What is the population decline rate of Mashiko?
A.Over the 30 years from 2020 to 2050, Mashiko's population is projected to change by -39.4%. The 10-year change is -13.3% and the 20-year change is -26.1%.
Q.Why is the population of Mashiko 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 Mashiko, the share of residents aged 65+ is projected to rise from 32.4% to 50.6% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Mashiko?
A.Mashiko's aging rate (percentage aged 65 and over) is 32.4% as of 2020, projected to rise to 50.6% 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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