日本人口减少模拟器

Kumamoto熊本県

Yatsushiro 八代市

Data last updated:

Yatsushiro, Kumamoto, Japan has a population of 115,362 (2025 national census). IPSS projections estimate 111,165 by 2030 and 86,864 by 2050 (a decrease of about 29.4% from 2020), with the share of residents aged 65+ rising from 34.5% in 2020 to 41.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

115,362人

2030年

(预测)

111,165人

▼ -9.7%

2040年

(预测)

98,891人

▼ -19.6%

2050年

(预测)

86,864人

▼ -29.4%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 34.5%→2050年 41.4%

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岁

Kumamoto (熊本県)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。

Yatsushiro 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
1980150,389▲ +22.2%Census
1985149,421▲ +21.4%Census
1990145,959▲ +18.6%Census
1995143,712▲ +16.8%Census
2000140,655▲ +14.3%Census
2005136,886▲ +11.2%Census
2010132,266▲ +7.5%Census
2015127,472▲ +3.6%Census
2020123,067—Census
2025115,362▼ -6.3%Census
2030111,165▼ -9.7%Projection
2035105,018▼ -14.7%Projection
204098,891▼ -19.6%Projection
204592,810▼ -24.6%Projection
205086,864▼ -29.4%Projection

About Yatsushiro

Overview

Yatsushiro (八代市) is a municipality in Kumamoto, Japan, with a population of 115,362 as of 2025.

Population Projection of Yatsushiro

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Yatsushiro's population is expected to reach 111,165 by 2030 (-9.7%), 98,891 by 2040 (-19.6%), and 86,864 by 2050 (-29.4%). A significant population decline is projected over the next three decades.

Aging Rate of Yatsushiro

The aging rate (percentage of residents aged 65 and over) is 34.5% as of 2020 and is projected to rise to 41.4% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Yatsushiro's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1076 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1145 out of 1903 nationwide.
  • Population size: Ranked #352 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Kumamoto

Kumamoto (熊本県)的收入水平: Kumamoto (熊本県)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 Yatsushiro, Kumamoto?
A.According to the 2025 national census, Yatsushiro has a population of 115,362.
Q.What is the population of Yatsushiro in 2026?
A.Yatsushiro's population in 2026 is estimated at approximately 114,523. This is an interpolated reference value between the 2025 census (115,362) and the IPSS projection for 2030 (111,165).
Q.What is the projected population of Yatsushiro in the future?
A.According to IPSS projections, Yatsushiro's population is expected to be 111,165 in 2030, 98,891 in 2040, and 86,864 in 2050.
Q.What is the population decline rate of Yatsushiro?
A.Over the 30 years from 2020 to 2050, Yatsushiro's population is projected to change by -29.4%. The 10-year change is -9.7% and the 20-year change is -19.6%.
Q.Why is the population of Yatsushiro 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 Yatsushiro, the share of residents aged 65+ is projected to rise from 34.5% to 41.4% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Yatsushiro?
A.Yatsushiro's aging rate (percentage aged 65 and over) is 34.5% as of 2020, projected to rise to 41.4% 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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