日本人口减少模拟器

Saitama埼玉県

Ageo 上尾市

Data last updated:

Ageo, Saitama, Japan has a population of 224,634 (2025 national census). IPSS projections estimate 221,466 by 2030 and 201,253 by 2050 (a decrease of about 11.3% from 2020), with the share of residents aged 65+ rising from 28.2% in 2020 to 37.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

224,634人

2030年

(预测)

221,466人

▼ -2.4%

2040年

(预测)

211,307人

▼ -6.9%

2050年

(预测)

201,253人

▼ -11.3%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 28.2%→2050年 37.3%

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岁

Saitama (埼玉県)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。

Ageo 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
1980166,243▼ -26.7%Census
1985178,587▼ -21.3%Census
1990194,947▼ -14.1%Census
1995206,090▼ -9.2%Census
2000212,947▼ -6.2%Census
2005220,232▼ -3.0%Census
2010223,926▼ -1.3%Census
2015225,196▼ -0.8%Census
2020226,940—Census
2025224,634▼ -1.0%Census
2030221,466▼ -2.4%Projection
2035216,497▼ -4.6%Projection
2040211,307▼ -6.9%Projection
2045206,237▼ -9.1%Projection
2050201,253▼ -11.3%Projection

About Ageo

Overview

Ageo (上尾市) is a municipality in Saitama, Japan, with a population of 224,634 as of 2025.

Population Projection of Ageo

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ageo's population is expected to reach 221,466 by 2030 (-2.4%), 211,307 by 2040 (-6.9%), and 201,253 by 2050 (-11.3%). A modest population change is expected.

Aging Rate of Ageo

The aging rate (percentage of residents aged 65 and over) is 28.2% as of 2020 and is projected to rise to 37.3% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1582 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1453 out of 1903 nationwide.
  • Population size: Ranked #153 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Saitama

Saitama (埼玉県)的收入水平: Saitama (埼玉県)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 Ageo, Saitama?
A.According to the 2025 national census, Ageo has a population of 224,634.
Q.What is the population of Ageo in 2026?
A.Ageo's population in 2026 is estimated at approximately 224,000. This is an interpolated reference value between the 2025 census (224,634) and the IPSS projection for 2030 (221,466).
Q.What is the projected population of Ageo in the future?
A.According to IPSS projections, Ageo's population is expected to be 221,466 in 2030, 211,307 in 2040, and 201,253 in 2050.
Q.What is the population decline rate of Ageo?
A.Over the 30 years from 2020 to 2050, Ageo's population is projected to change by -11.3%. The 10-year change is -2.4% and the 20-year change is -6.9%.
Q.Why is the population of Ageo 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 Ageo, the share of residents aged 65+ is projected to rise from 28.2% to 37.3% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Ageo?
A.Ageo's aging rate (percentage aged 65 and over) is 28.2% as of 2020, projected to rise to 37.3% 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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