Okayama岡山県
Ibara 井原市
Data last updated:
2020
(Census)
38,406
2030
(Projection)
33,205
▼ -13.5%
2040
(Projection)
28,246
▼ -26.5%
2050
(Projection)
23,584
▼ -38.6%
Other municipalities in Okayama (岡山県)
Data Sources
- Portal Site of Official Statistics of Japan (e-Stat)（https://www.e-stat.go.jp/）
- National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)
* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.
About Ibara
Overview
Ibara (井原市) is a municipality in Okayama, Japan, with a population of 38,406 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ibara's population is expected to reach 33,205 by 2030 (-13.5%), 28,246 by 2040 (-26.5%), and 23,584 by 2050 (-38.6%). A significant population decline is projected over the next three decades.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 37.5% as of 2020 and is projected to rise to 47.3% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Ibara's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #775 out of 1916 municipalities nationwide.
- Aging rate in 2050: Ranked #734 out of 1916 nationwide.
- Population size: Ranked #821 out of 1916 nationwide.
- Related: National rankings