Hiroshima広島県
Mihara 三原市
Data last updated:
Mihara, Hiroshima, Japan has a population of 83,881 (2025 national census). IPSS projections estimate 77,379 by 2030 and 56,356 by 2050 (a decrease of about 37.8% from 2020), with the share of residents aged 65+ rising from 35.6% in 2020 to 45.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
83,881
2030Projection
77,379
▼ -14.6%
2040Projection
66,488
▼ -26.6%
2050Projection
56,356
▼ -37.8%
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.
Mihara 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 | 109,236 | ▲ +20.6% | Census |
| 1985 | 111,108 | ▲ +22.7% | Census |
| 1990 | 110,524 | ▲ +22.0% | Census |
| 1995 | 108,617 | ▲ +19.9% | Census |
| 2000 | 106,229 | ▲ +17.3% | Census |
| 2005 | 104,196 | ▲ +15.0% | Census |
| 2010 | 100,509 | ▲ +11.0% | Census |
| 2015 | 96,194 | ▲ +6.2% | Census |
| 2020 | 90,573 | — | Census |
| 2025 | 83,881 | ▼ -7.4% | Census |
| 2030 | 77,379 | ▼ -14.6% | Projection |
| 2035 | 71,866 | ▼ -20.7% | Projection |
| 2040 | 66,488 | ▼ -26.6% | Projection |
| 2045 | 61,319 | ▼ -32.3% | Projection |
| 2050 | 56,356 | ▼ -37.8% | Projection |
About Mihara
Overview
Mihara (三原市) is a municipality in Hiroshima, Japan, with a population of 83,881 as of 2025.
Population Projection of Mihara
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Mihara's population is expected to reach 77,379 by 2030 (-14.6%), 66,488 by 2040 (-26.6%), and 56,356 by 2050 (-37.8%). A significant population decline is projected over the next three decades.
Aging Rate of Mihara
The aging rate (percentage of residents aged 65 and over) is 35.6% as of 2020 and is projected to rise to 45.5% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Mihara's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #799 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #855 out of 1903 nationwide.
- Population size: Ranked #477 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