Okayama岡山県
Kita 岡山市北区
Data last updated:
Kita, Okayama, Japan has a population of 310,929 (2025 national census). IPSS projections estimate 312,946 by 2030 and 288,681 by 2050 (a decrease of about 8.2% from 2020), with the share of residents aged 65+ rising from 24.2% in 2020 to 32.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年实际
310,929人
2030年预测
312,946人
▼ -0.5%
2040年预测
303,389人
▼ -3.5%
2050年预测
288,681人
▼ -8.2%
Change vs. 2020 census
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输入年龄，即可查看您50、60、70、80岁时岡山市北区的人口。
Okayama (岡山県)的其他市区町村
数据来源
- 日本政府统计综合窗口(e-Stat)（https://www.e-stat.go.jp/）
- 国立社会保障・人口问题研究所「日本地区别未来推计人口（令和5年推计）」
※本服务使用e-Stat的API功能，但服务内容不受日本政府保证。
Kita 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 | 302,685 | ▼ -3.8% | Census |
| 2015 | 309,484 | ▼ -1.6% | Census |
| 2020 | 314,523 | — | Census |
| 2025 | 310,929 | ▼ -1.1% | Census |
| 2030 | 312,946 | ▼ -0.5% | Projection |
| 2035 | 309,200 | ▼ -1.7% | Projection |
| 2040 | 303,389 | ▼ -3.5% | Projection |
| 2045 | 296,138 | ▼ -5.8% | Projection |
| 2050 | 288,681 | ▼ -8.2% | Projection |
About Kita
Overview
Kita (岡山市北区) is a municipality in Okayama, Japan, with a population of 310,929 as of 2025.
Population Projection of Kita
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kita's population is expected to reach 312,946 by 2030 (-0.5%), 303,389 by 2040 (-3.5%), and 288,681 by 2050 (-8.2%). A modest population change is expected.
Aging Rate of Kita
The aging rate (percentage of residents aged 65 and over) is 24.2% as of 2020 and is projected to rise to 32.7% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Kita's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1658 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1749 out of 1903 nationwide.
- Population size: Ranked #81 out of 1917 nationwide.
- Related: National rankings / All municipalities in Okayama
Okayama (岡山県)的收入水平: Okayama (岡山県)的平均年收入（按年龄、性别、企业规模）jpsalary / 厚生劳动省 工资结构基本统计调查