Okayama岡山県
Bizen 備前市
Data last updated:
Bizen, Okayama, Japan has a population of 32,345 (2020 national census). IPSS projections estimate 26,316 by 2030 and 16,553 by 2050 (a decrease of about 48.8% from 2020), with the share of residents aged 65+ rising from 39.5% to 53.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2020
(Census)
32,345
2030
(Projection)
26,316
▼ -18.6%
2040
(Projection)
21,085
▼ -34.8%
2050
(Projection)
16,553
▼ -48.8%
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.
Bizen Population Projection Table (2020–2050)
Population by year, based on the national census and IPSS (2023) projections.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 2020 | 32,345 | — | Census |
| 2025 | 28,958 | ▼ -10.5% | Projection |
| 2030 | 26,316 | ▼ -18.6% | Projection |
| 2035 | 23,642 | ▼ -26.9% | Projection |
| 2040 | 21,085 | ▼ -34.8% | Projection |
| 2045 | 18,706 | ▼ -42.2% | Projection |
| 2050 | 16,553 | ▼ -48.8% | Projection |
About Bizen
Overview
Bizen (備前市) is a municipality in Okayama, Japan, with a population of 32,345 as of 2020.
Population Projection of Bizen
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Bizen's population is expected to reach 26,316 by 2030 (-18.6%), 21,085 by 2040 (-34.8%), and 16,553 by 2050 (-48.8%). A significant population decline is projected over the next three decades.
Aging Rate of Bizen
The aging rate (percentage of residents aged 65 and over) is 39.5% as of 2020 and is projected to rise to 53.4% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Bizen is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #383 out of 1916 municipalities nationwide.
- Aging rate in 2050: Ranked #348 out of 1916 nationwide.
- Population size: Ranked #898 out of 1916 nationwide.
- Related: National rankings / All municipalities in Okayama