Tochigi栃木県
Ichikai 市貝町
Data last updated:
2020
(Census)
11,259
2030
(Projection)
10,120
▼ -10.1%
2040
(Projection)
8,961
▼ -20.4%
2050
(Projection)
7,681
▼ -31.8%
Other municipalities in Tochigi (栃木県)
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 Ichikai
Overview
Ichikai (市貝町) is a municipality in Tochigi, Japan, with a population of 11,259 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ichikai's population is expected to reach 10,120 by 2030 (-10.1%), 8,961 by 2040 (-20.4%), and 7,681 by 2050 (-31.8%). A significant population decline is projected over the next three decades.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 29.7% as of 2020 and is projected to rise to 46.5% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Ichikai's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #999 out of 1916 municipalities nationwide.
- Aging rate in 2050: Ranked #788 out of 1916 nationwide.
- Population size: Ranked #1337 out of 1916 nationwide.
- Related: National rankings