Okayama岡山県
Okayama 岡山市
Data last updated:
Okayama, Okayama, Japan has a population of 707,387 (2025 national census). IPSS projections estimate 708,576 by 2030 and 643,367 by 2050 (a decrease of about 11.2% from 2020), with the share of residents aged 65+ rising from 26.1% in 2020 to 34.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년실적
707,387명
2030년추계
708,576명
▼ -2.2%
2040년추계
680,702명
▼ -6.1%
2050년추계
643,367명
▼ -11.2%
Change vs. 2020 census
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나이를 입력하면 50·60·70·80세가 되는 해의 岡山市 인구를 알 수 있습니다.
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)」
※이 서비스는 e-Stat의 API 기능을 사용하고 있으나 서비스 내용은 일본 정부에 의해 보증된 것이 아닙니다.
Okayama 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 | 590,424 | ▼ -18.5% | Census |
| 1985 | 618,950 | ▼ -14.6% | Census |
| 1990 | 640,406 | ▼ -11.6% | Census |
| 1995 | 663,346 | ▼ -8.5% | Census |
| 2000 | 674,375 | ▼ -6.9% | Census |
| 2005 | 696,172 | ▼ -3.9% | Census |
| 2010 | 709,584 | ▼ -2.1% | Census |
| 2015 | 719,474 | ▼ -0.7% | Census |
| 2020 | 724,691 | — | Census |
| 2025 | 707,387 | ▼ -2.4% | Census |
| 2030 | 708,576 | ▼ -2.2% | Projection |
| 2035 | 696,381 | ▼ -3.9% | Projection |
| 2040 | 680,702 | ▼ -6.1% | Projection |
| 2045 | 662,469 | ▼ -8.6% | Projection |
| 2050 | 643,367 | ▼ -11.2% | Projection |
About Okayama
Overview
Okayama (岡山市) is a municipality in Okayama, Japan, with a population of 707,387 as of 2025.
Population Projection of Okayama
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Okayama's population is expected to reach 708,576 by 2030 (-2.2%), 680,702 by 2040 (-6.1%), and 643,367 by 2050 (-11.2%). A modest population change is expected.
Aging Rate of Okayama
The aging rate (percentage of residents aged 65 and over) is 26.1% as of 2020 and is projected to rise to 34.6% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Okayama's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1585 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1639 out of 1903 nationwide.
- Population size: Ranked #23 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