日本人口减少模拟器

Kanagawa神奈川県

Asao 川崎市麻生区

Data last updated:

Asao, Kanagawa, Japan has a population of 179,672 (2025 national census). IPSS projections estimate 184,412 by 2030 and 189,362 by 2050 (an increase of about 4.8% from 2020), with the share of residents aged 65+ rising from 24.2% in 2020 to 33.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

179,672人

2030年

(预测)

184,412人

▲ +2.1%

2040年

(预测)

188,784人

▲ +4.5%

2050年

(预测)

189,362人

▲ +4.8%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 24.2%→2050年 33.9%

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岁

Kanagawa (神奈川県)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。

Asao Population Table (1985–2050)

Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.

YearPopulationvs 2020Type
1985108,353▼ -40.0%Census
1990125,127▼ -30.8%Census
1995132,240▼ -26.8%Census
2000142,238▼ -21.3%Census
2005153,101▼ -15.3%Census
2010169,926▼ -6.0%Census
2015175,523▼ -2.9%Census
2020180,705—Census
2025179,672▼ -0.6%Census
2030184,412▲ +2.1%Projection
2035187,213▲ +3.6%Projection
2040188,784▲ +4.5%Projection
2045189,404▲ +4.8%Projection
2050189,362▲ +4.8%Projection

About Asao

Overview

Asao (川崎市麻生区) is a municipality in Kanagawa, Japan, with a population of 179,672 as of 2025.

Population Projection of Asao

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Asao's population is expected to reach 184,412 by 2030 (+2.1%), 188,784 by 2040 (+4.5%), and 189,362 by 2050 (+4.8%). Asao is among the rare Japanese municipalities projected to see population growth.

Aging Rate of Asao

The aging rate (percentage of residents aged 65 and over) is 24.2% as of 2020 and is projected to rise to 33.9% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1857 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1675 out of 1903 nationwide.
  • Population size: Ranked #209 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Kanagawa

Kanagawa (神奈川県)的收入水平: Kanagawa (神奈川県)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 Asao, Kanagawa?
A.According to the 2025 national census, Asao has a population of 179,672.
Q.What is the population of Asao in 2026?
A.Asao's population in 2026 is estimated at approximately 180,620. This is an interpolated reference value between the 2025 census (179,672) and the IPSS projection for 2030 (184,412).
Q.What is the projected population of Asao in the future?
A.According to IPSS projections, Asao's population is expected to be 184,412 in 2030, 188,784 in 2040, and 189,362 in 2050.
Q.What is the population decline rate of Asao?
A.Over the 30 years from 2020 to 2050, Asao's population is projected to change by +4.8%. The 10-year change is +2.1% and the 20-year change is +4.5%.
Q.Why is the population of Asao growing?
A.Municipalities with growing populations typically benefit from net in-migration driven by good access to major metropolitan areas, housing development, and family support policies. Asao is one of the minority of Japanese municipalities projected to grow through 2050.
Q.What is the aging rate of Asao?
A.Asao's aging rate (percentage aged 65 and over) is 24.2% as of 2020, projected to rise to 33.9% 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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