Hiroshima広島県
Mashiasaminami 広島市安佐南区
Data last updated:
Mashiasaminami, Hiroshima, Japan has a population of 243,729 (2025 national census). IPSS projections estimate 246,936 by 2030 and 231,867 by 2050 (a decrease of about 6.1% from 2020), with the share of residents aged 65+ rising from 21.4% in 2020 to 31.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
243,729
2030Projection
246,936
→ 0.0%
2040Projection
241,186
▼ -2.4%
2050Projection
231,867
▼ -6.1%
Change vs. 2020 census
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Other municipalities in Hiroshima (広島県)
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.
Mashiasaminami Population Table (1980–2050)
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 |
|---|---|---|---|
| 1980 | 157,728 | ▼ -36.1% | Census |
| 1985 | 169,430 | ▼ -31.4% | Census |
| 1990 | 174,912 | ▼ -29.2% | Census |
| 1995 | 185,414 | ▼ -24.9% | Census |
| 2000 | 204,636 | ▼ -17.2% | Census |
| 2005 | 219,343 | ▼ -11.2% | Census |
| 2010 | 233,733 | ▼ -5.4% | Census |
| 2015 | 242,512 | ▼ -1.8% | Census |
| 2020 | 247,020 | — | Census |
| 2025 | 243,729 | ▼ -1.3% | Census |
| 2030 | 246,936 | → 0.0% | Projection |
| 2035 | 244,520 | ▼ -1.0% | Projection |
| 2040 | 241,186 | ▼ -2.4% | Projection |
| 2045 | 236,938 | ▼ -4.1% | Projection |
| 2050 | 231,867 | ▼ -6.1% | Projection |
About Mashiasaminami
Overview
Mashiasaminami (広島市安佐南区) is a municipality in Hiroshima, Japan, with a population of 243,729 as of 2025.
Population Projection of Mashiasaminami
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Mashiasaminami's population is expected to reach 246,936 by 2030 (0.0%), 241,186 by 2040 (-2.4%), and 231,867 by 2050 (-6.1%). A modest population change is expected.
Aging Rate of Mashiasaminami
The aging rate (percentage of residents aged 65 and over) is 21.4% as of 2020 and is projected to rise to 31.9% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Mashiasaminami's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1698 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1774 out of 1903 nationwide.
- Population size: Ranked #128 out of 1917 nationwide.
- Related: National rankings / All municipalities in Hiroshima
Earnings in Hiroshima (広島県): Average salary in Hiroshima (広島県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure