Nagano長野県
Ookuwa 大桑村
Data last updated:
2020
(Census)
3,439
2030
(Projection)
2,791
▼ -18.8%
2040
(Projection)
2,223
▼ -35.4%
2050
(Projection)
1,747
▼ -49.2%
Other municipalities in Nagano (長野県)
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 Ookuwa
Overview
Ookuwa (大桑村) is a municipality in Nagano, Japan, with a population of 3,439 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ookuwa's population is expected to reach 2,791 by 2030 (-18.8%), 2,223 by 2040 (-35.4%), and 1,747 by 2050 (-49.2%). A significant population decline is projected over the next three decades.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 43.1% as of 2020 and is projected to rise to 47.8% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Ookuwa is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #371 out of 1916 municipalities nationwide.
- Aging rate in 2050: Ranked #698 out of 1916 nationwide.
- Population size: Ranked #1721 out of 1916 nationwide.
- Related: National rankings