Okayama岡山県
Okayama 岡山市
Data last updated:
2020年
(实际)
725,108人
2030年
(预测)
708,576人
▼ -2.3%
2040年
(预测)
680,702人
▼ -6.1%
2050年
(预测)
643,367人
▼ -11.3%
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。
About Okayama
Overview
Okayama (岡山市) is a municipality in Okayama, Japan, with a population of 725,108 as of 2020.
Population Projection
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 (-2.3%), 680,702 by 2040 (-6.1%), and 643,367 by 2050 (-11.3%). A modest population change is expected.
Aging Outlook
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 1916 municipalities nationwide.
- Aging rate in 2050: Ranked #1639 out of 1916 nationwide.
- Population size: Ranked #23 out of 1916 nationwide.
- Related: National rankings