日本人口减少模拟器

Nagano長野県

Minamiaiki 南相木村

Data last updated:

Minamiaiki, Nagano, Japan has a population of 866 (2025 national census). IPSS projections estimate 820 by 2030 and 678 by 2050 (a decrease of about 29.5% from 2020), with the share of residents aged 65+ rising from 40.9% in 2020 to 39.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

866人

2030年

(预测)

820人

▼ -14.8%

2040年

(预测)

739人

▼ -23.2%

2050年

(预测)

678人

▼ -29.5%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 40.9%→2050年 39.1%

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输入年龄,即可查看您50、60、70、80岁时南相木村的人口。

岁

Nagano (長野県)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。

Minamiaiki 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
19801,604▲ +66.7%Census
19851,453▲ +51.0%Census
19901,368▲ +42.2%Census
19951,334▲ +38.7%Census
20001,584▲ +64.7%Census
20051,151▲ +19.6%Census
20101,121▲ +16.5%Census
20151,005▲ +4.5%Census
2020962—Census
2025866▼ -10.0%Census
2030820▼ -14.8%Projection
2035778▼ -19.1%Projection
2040739▼ -23.2%Projection
2045706▼ -26.6%Projection
2050678▼ -29.5%Projection

About Minamiaiki

Overview

Minamiaiki (南相木村) is a municipality in Nagano, Japan, with a population of 866 as of 2025.

Population Projection of Minamiaiki

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Minamiaiki's population is expected to reach 820 by 2030 (-14.8%), 739 by 2040 (-23.2%), and 678 by 2050 (-29.5%). A significant population decline is projected over the next three decades.

Aging Rate of Minamiaiki

The aging rate (percentage of residents aged 65 and over) is 40.9% as of 2020 and is projected to rise to 39.1% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Minamiaiki's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1072 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1329 out of 1903 nationwide.
  • Population size: Ranked #1883 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Nagano

Nagano (長野県)的收入水平: Nagano (長野県)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 Minamiaiki, Nagano?
A.According to the 2025 national census, Minamiaiki has a population of 866.
Q.What is the population of Minamiaiki in 2026?
A.Minamiaiki's population in 2026 is estimated at approximately 857. This is an interpolated reference value between the 2025 census (866) and the IPSS projection for 2030 (820).
Q.What is the projected population of Minamiaiki in the future?
A.According to IPSS projections, Minamiaiki's population is expected to be 820 in 2030, 739 in 2040, and 678 in 2050.
Q.What is the population decline rate of Minamiaiki?
A.Over the 30 years from 2020 to 2050, Minamiaiki's population is projected to change by -29.5%. The 10-year change is -14.8% and the 20-year change is -23.2%.
Q.Why is the population of Minamiaiki 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 Minamiaiki, the share of residents aged 65+ is projected to rise from 40.9% to 39.1% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Minamiaiki?
A.Minamiaiki's aging rate (percentage aged 65 and over) is 40.9% as of 2020, projected to rise to 39.1% 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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