日本人口减少模拟器

Aichi愛知県

Chiryuu 知立市

Data last updated:

Chiryuu, Aichi, Japan has a population of 72,548 (2025 national census). IPSS projections estimate 72,273 by 2030 and 67,603 by 2050 (a decrease of about 6.4% from 2020), with the share of residents aged 65+ rising from 20.2% in 2020 to 31.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年实际

72,548人

2030年预测

72,273人

▲ +0.1%

2040年预测

70,680人

▼ -2.1%

2050年预测

67,603人

▼ -6.4%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 20.2%→2050年 31.3%

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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。

Chiryuu 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
198049,432▼ -31.5%Census
198550,506▼ -30.0%Census
199054,059▼ -25.1%Census
199558,578▼ -18.9%Census
200062,587▼ -13.3%Census
200566,085▼ -8.5%Census
201068,398▼ -5.3%Census
201570,501▼ -2.3%Census
202072,193—Census
202572,548▲ +0.5%Census
203072,273▲ +0.1%Projection
203571,628▼ -0.8%Projection
204070,680▼ -2.1%Projection
204569,296▼ -4.0%Projection
205067,603▼ -6.4%Projection

About Chiryuu

Overview

Chiryuu (知立市) is a municipality in Aichi, Japan, with a population of 72,548 as of 2025.

Population Projection of Chiryuu

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Chiryuu's population is expected to reach 72,273 by 2030 (+0.1%), 70,680 by 2040 (-2.1%), and 67,603 by 2050 (-6.4%). A modest population change is expected.

Aging Rate of Chiryuu

The aging rate (percentage of residents aged 65 and over) is 20.2% as of 2020 and is projected to rise to 31.3% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Chiryuu's demographic trajectory is similar to the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1687 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1803 out of 1903 nationwide.
  • Population size: Ranked #532 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 Chiryuu, Aichi?
A.According to the 2025 national census, Chiryuu has a population of 72,548.
Q.What is the population of Chiryuu in 2026?
A.Chiryuu's population in 2026 is estimated at approximately 72,493. This is an interpolated reference value between the 2025 census (72,548) and the IPSS projection for 2030 (72,273).
Q.What is the projected population of Chiryuu in the future?
A.According to IPSS projections, Chiryuu's population is expected to be 72,273 in 2030, 70,680 in 2040, and 67,603 in 2050.
Q.What is the population decline rate of Chiryuu?
A.Over the 30 years from 2020 to 2050, Chiryuu's population is projected to change by -6.4%. The 10-year change is +0.1% and the 20-year change is -2.1%.
Q.Why is the population of Chiryuu 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 Chiryuu, the share of residents aged 65+ is projected to rise from 20.2% to 31.3% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Chiryuu?
A.Chiryuu's aging rate (percentage aged 65 and over) is 20.2% as of 2020, projected to rise to 31.3% 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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