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
(Census)
179,672
2030
(Projection)
184,412
▲ +2.1%
2040
(Projection)
188,784
▲ +4.5%
2050
(Projection)
189,362
▲ +4.8%
Change vs. 2020 census
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Other municipalities in Kanagawa (神奈川県)
Data Sources
- Portal Site of Official Statistics of Japan (e-Stat)（https://www.e-stat.go.jp/）
- National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)
* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.
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.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1985 | 108,353 | ▼ -40.0% | Census |
| 1990 | 125,127 | ▼ -30.8% | Census |
| 1995 | 132,240 | ▼ -26.8% | Census |
| 2000 | 142,238 | ▼ -21.3% | Census |
| 2005 | 153,101 | ▼ -15.3% | Census |
| 2010 | 169,926 | ▼ -6.0% | Census |
| 2015 | 175,523 | ▼ -2.9% | Census |
| 2020 | 180,705 | — | Census |
| 2025 | 179,672 | ▼ -0.6% | Census |
| 2030 | 184,412 | ▲ +2.1% | Projection |
| 2035 | 187,213 | ▲ +3.6% | Projection |
| 2040 | 188,784 | ▲ +4.5% | Projection |
| 2045 | 189,404 | ▲ +4.8% | Projection |
| 2050 | 189,362 | ▲ +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
Earnings in Kanagawa (神奈川県): Average salary in Kanagawa (神奈川県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure