Chiba千葉県
Ooamishirasato 大網白里市
Data last updated:
Ooamishirasato, Chiba, Japan has a population of 48,155 (2020 national census). IPSS projections estimate 45,403 by 2030 and 37,560 by 2050 (a decrease of about 22.0% from 2020), with the share of residents aged 65+ rising from 33.1% to 44.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2020
(Census)
48,155
2030
(Projection)
45,403
▼ -5.7%
2040
(Projection)
41,638
▼ -13.5%
2050
(Projection)
37,560
▼ -22.0%
Other municipalities in Chiba (千葉県)
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.
Ooamishirasato Population Projection Table (2020–2050)
Population by year, based on the national census and IPSS (2023) projections.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 2020 | 48,155 | — | Census |
| 2025 | 46,941 | ▼ -2.5% | Projection |
| 2030 | 45,403 | ▼ -5.7% | Projection |
| 2035 | 43,623 | ▼ -9.4% | Projection |
| 2040 | 41,638 | ▼ -13.5% | Projection |
| 2045 | 39,563 | ▼ -17.8% | Projection |
| 2050 | 37,560 | ▼ -22.0% | Projection |
About Ooamishirasato
Overview
Ooamishirasato (大網白里市) is a municipality in Chiba, Japan, with a population of 48,155 as of 2020.
Population Projection of Ooamishirasato
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ooamishirasato's population is expected to reach 45,403 by 2030 (-5.7%), 41,638 by 2040 (-13.5%), and 37,560 by 2050 (-22.0%). A significant population decline is projected over the next three decades.
Aging Rate of Ooamishirasato
The aging rate (percentage of residents aged 65 and over) is 33.1% as of 2020 and is projected to rise to 44.8% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Ooamishirasato's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1300 out of 1916 municipalities nationwide.
- Aging rate in 2050: Ranked #897 out of 1916 nationwide.
- Population size: Ranked #719 out of 1916 nationwide.
- Related: National rankings / All municipalities in Chiba