Akita秋田県
Kosaka 小坂町
Data last updated:
2020
(Census)
4,780
2030
(Projection)
3,694
▼ -22.7%
2040
(Projection)
2,790
▼ -41.6%
2050
(Projection)
2,059
▼ -56.9%
Other municipalities in Akita (秋田県)
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 Kosaka
Overview
Kosaka (小坂町) is a municipality in Akita, Japan, with a population of 4,780 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kosaka's population is expected to reach 3,694 by 2030 (-22.7%), 2,790 by 2040 (-41.6%), and 2,059 by 2050 (-56.9%). The town is projected to lose more than half its population over 30 years.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 44.9% as of 2020 and is projected to rise to 58.8% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Kosaka is experiencing one of the faster rates of population decline in Japan.