Ibaraki茨城県
Ooarai 大洗町
Data last updated:
2020
(Census)
15,725
2030
(Projection)
13,526
▼ -14.0%
2040
(Projection)
11,411
▼ -27.4%
2050
(Projection)
9,406
▼ -40.2%
Other municipalities in Ibaraki (茨城県)
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 Ooarai
Overview
Ooarai (大洗町) is a municipality in Ibaraki, Japan, with a population of 15,725 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ooarai's population is expected to reach 13,526 by 2030 (-14.0%), 11,411 by 2040 (-27.4%), and 9,406 by 2050 (-40.2%). A significant population decline is projected over the next three decades.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 33.6% as of 2020 and is projected to rise to 46.1% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Ooarai is experiencing one of the faster rates of population decline in Japan.