日本人口减少模拟器

Aichi愛知県

Inazawa 稲沢市

Data last updated:

Inazawa, Aichi, Japan has a population of 129,992 (2025 national census). IPSS projections estimate 125,107 by 2030 and 107,170 by 2050 (a decrease of about 20.5% from 2020), with the share of residents aged 65+ rising from 27.8% in 2020 to 37.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年实际

129,992人

2030年预测

125,107人

▼ -7.2%

2040年预测

116,248人

▼ -13.7%

2050年预测

107,170人

▼ -20.5%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 27.8%→2050年 37.5%

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岁

Aichi (愛知県)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。

Inazawa 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
1980126,023▼ -6.5%Census
1985130,598▼ -3.1%Census
1990132,483▼ -1.7%Census
1995135,080▲ +0.2%Census
2000136,938▲ +1.6%Census
2005136,965▲ +1.6%Census
2010136,442▲ +1.3%Census
2015136,867▲ +1.6%Census
2020134,751—Census
2025129,992▼ -3.5%Census
2030125,107▼ -7.2%Projection
2035120,772▼ -10.4%Projection
2040116,248▼ -13.7%Projection
2045111,685▼ -17.1%Projection
2050107,170▼ -20.5%Projection

About Inazawa

Overview

Inazawa (稲沢市) is a municipality in Aichi, Japan, with a population of 129,992 as of 2025.

Population Projection of Inazawa

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Inazawa's population is expected to reach 125,107 by 2030 (-7.2%), 116,248 by 2040 (-13.7%), and 107,170 by 2050 (-20.5%). A significant population decline is projected over the next three decades.

Aging Rate of Inazawa

The aging rate (percentage of residents aged 65 and over) is 27.8% as of 2020 and is projected to rise to 37.5% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Inazawa's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1340 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1438 out of 1903 nationwide.
  • Population size: Ranked #320 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Aichi

Aichi (愛知県)的收入水平: Aichi (愛知県)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 Inazawa, Aichi?
A.According to the 2025 national census, Inazawa has a population of 129,992.
Q.What is the population of Inazawa in 2026?
A.Inazawa's population in 2026 is estimated at approximately 129,015. This is an interpolated reference value between the 2025 census (129,992) and the IPSS projection for 2030 (125,107).
Q.What is the projected population of Inazawa in the future?
A.According to IPSS projections, Inazawa's population is expected to be 125,107 in 2030, 116,248 in 2040, and 107,170 in 2050.
Q.What is the population decline rate of Inazawa?
A.Over the 30 years from 2020 to 2050, Inazawa's population is projected to change by -20.5%. The 10-year change is -7.2% and the 20-year change is -13.7%.
Q.Why is the population of Inazawa 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 Inazawa, the share of residents aged 65+ is projected to rise from 27.8% to 37.5% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Inazawa?
A.Inazawa's aging rate (percentage aged 65 and over) is 27.8% as of 2020, projected to rise to 37.5% 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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