Okayama岡山県
Naka 岡山市中区
Data last updated:
Naka, Okayama, Japan has a population of 145,151 (2025 national census). IPSS projections estimate 148,406 by 2030 and 137,611 by 2050 (a decrease of about 7.8% from 2020), with the share of residents aged 65+ rising from 26.1% in 2020 to 34.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년실적
145,151명
2030년추계
148,406명
▼ -0.6%
2040년추계
144,256명
▼ -3.3%
2050년추계
137,611명
▼ -7.8%
Change vs. 2020 census
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나이를 입력하면 50·60·70·80세가 되는 해의 岡山市中区 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.
Naka Population Table (2010–2050)
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 |
|---|---|---|---|
| 2010 | 142,237 | ▼ -4.7% | Census |
| 2015 | 146,232 | ▼ -2.0% | Census |
| 2020 | 149,232 | — | Census |
| 2025 | 145,151 | ▼ -2.7% | Census |
| 2030 | 148,406 | ▼ -0.6% | Projection |
| 2035 | 146,680 | ▼ -1.7% | Projection |
| 2040 | 144,256 | ▼ -3.3% | Projection |
| 2045 | 141,183 | ▼ -5.4% | Projection |
| 2050 | 137,611 | ▼ -7.8% | Projection |
About Naka
Overview
Naka (岡山市中区) is a municipality in Okayama, Japan, with a population of 145,151 as of 2025.
Population Projection of Naka
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Naka's population is expected to reach 148,406 by 2030 (-0.6%), 144,256 by 2040 (-3.3%), and 137,611 by 2050 (-7.8%). A modest population change is expected.
Aging Rate of Naka
The aging rate (percentage of residents aged 65 and over) is 26.1% as of 2020 and is projected to rise to 34.7% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Naka's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1664 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1632 out of 1903 nationwide.
- Population size: Ranked #275 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