Okayama岡山県
Mimasaka 美作市
Data last updated:
Mimasaka, Okayama, Japan has a population of 23,106 (2025 national census). IPSS projections estimate 21,839 by 2030 and 14,927 by 2050 (a decrease of about 42.5% from 2020), with the share of residents aged 65+ rising from 41.8% in 2020 to 49.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년실적
23,106명
2030년추계
21,839명
▼ -15.8%
2040년추계
18,234명
▼ -29.7%
2050년추계
14,927명
▼ -42.5%
Change vs. 2020 census
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Okayama (岡山県)의 다른 시구정촌
데이터 출처
- 일본 정부 통계 종합 포털(e-Stat)（https://www.e-stat.go.jp/）
- 국립사회보장・인구문제연구소 「일본의 지역별 장래추계인구(레이와 5년 추계)」
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Mimasaka 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 | 38,430 | ▲ +48.2% | Census |
| 1985 | 38,309 | ▲ +47.7% | Census |
| 1990 | 36,942 | ▲ +42.4% | Census |
| 1995 | 36,140 | ▲ +39.3% | Census |
| 2000 | 34,577 | ▲ +33.3% | Census |
| 2005 | 32,479 | ▲ +25.2% | Census |
| 2010 | 30,498 | ▲ +17.6% | Census |
| 2015 | 27,977 | ▲ +7.9% | Census |
| 2020 | 25,939 | — | Census |
| 2025 | 23,106 | ▼ -10.9% | Census |
| 2030 | 21,839 | ▼ -15.8% | Projection |
| 2035 | 19,989 | ▼ -22.9% | Projection |
| 2040 | 18,234 | ▼ -29.7% | Projection |
| 2045 | 16,526 | ▼ -36.3% | Projection |
| 2050 | 14,927 | ▼ -42.5% | Projection |
About Mimasaka
Overview
Mimasaka (美作市) is a municipality in Okayama, Japan, with a population of 23,106 as of 2025.
Population Projection of Mimasaka
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Mimasaka's population is expected to reach 21,839 by 2030 (-15.8%), 18,234 by 2040 (-29.7%), and 14,927 by 2050 (-42.5%). A significant population decline is projected over the next three decades.
Aging Rate of Mimasaka
The aging rate (percentage of residents aged 65 and over) is 41.8% as of 2020 and is projected to rise to 49.1% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Mimasaka is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #632 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #621 out of 1903 nationwide.
- Population size: Ranked #1021 out of 1917 nationwide.
- Related: National rankings / All municipalities in Okayama
Okayama (岡山県)의 소득 수준: Okayama (岡山県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사