日本人口减少模拟器

Shimane島根県

Unnan 雲南市

Data last updated:

Unnan, Shimane, Japan has a population of 32,700 (2025 national census). IPSS projections estimate 29,707 by 2030 and 20,016 by 2050 (a decrease of about 44.4% from 2020), with the share of residents aged 65+ rising from 40.1% in 2020 to 50.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年实际

32,700人

2030年预测

29,707人

▼ -17.5%

2040年预测

24,573人

▼ -31.8%

2050年预测

20,016人

▼ -44.4%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 40.1%→2050年 50.5%

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岁

Shimane (島根県)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。

Unnan 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
198051,477▲ +43.0%Census
198550,981▲ +41.6%Census
199049,612▲ +37.8%Census
199548,248▲ +34.0%Census
200046,323▲ +28.6%Census
200544,403▲ +23.3%Census
201041,917▲ +16.4%Census
201539,032▲ +8.4%Census
202036,007—Census
202532,700▼ -9.2%Census
203029,707▼ -17.5%Projection
203527,058▼ -24.9%Projection
204024,573▼ -31.8%Projection
204522,229▼ -38.3%Projection
205020,016▼ -44.4%Projection

About Unnan

Overview

Unnan (雲南市) is a municipality in Shimane, Japan, with a population of 32,700 as of 2025.

Population Projection of Unnan

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Unnan's population is expected to reach 29,707 by 2030 (-17.5%), 24,573 by 2040 (-31.8%), and 20,016 by 2050 (-44.4%). A significant population decline is projected over the next three decades.

Aging Rate of Unnan

The aging rate (percentage of residents aged 65 and over) is 40.1% 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

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

National and Prefectural Rank

  • Population decline rate: Ranked #553 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #532 out of 1903 nationwide.
  • Population size: Ranked #856 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Shimane

Shimane (島根県)的收入水平: Shimane (島根県)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 Unnan, Shimane?
A.According to the 2025 national census, Unnan has a population of 32,700.
Q.What is the population of Unnan in 2026?
A.Unnan's population in 2026 is estimated at approximately 32,101. This is an interpolated reference value between the 2025 census (32,700) and the IPSS projection for 2030 (29,707).
Q.What is the projected population of Unnan in the future?
A.According to IPSS projections, Unnan's population is expected to be 29,707 in 2030, 24,573 in 2040, and 20,016 in 2050.
Q.What is the population decline rate of Unnan?
A.Over the 30 years from 2020 to 2050, Unnan's population is projected to change by -44.4%. The 10-year change is -17.5% and the 20-year change is -31.8%.
Q.Why is the population of Unnan 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 Unnan, the share of residents aged 65+ is projected to rise from 40.1% to 50.5% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Unnan?
A.Unnan's aging rate (percentage aged 65 and over) is 40.1% 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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