Ehime愛媛県
Niihama 新居浜市
Data last updated:
2020
(Census)
116,005
2030
(Projection)
104,245
▼ -10.1%
2040
(Projection)
94,334
▼ -18.7%
2050
(Projection)
84,485
▼ -27.2%
Other municipalities in Ehime (愛媛県)
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 Niihama
Overview
Niihama (新居浜市) is a municipality in Ehime, Japan, with a population of 116,005 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Niihama's population is expected to reach 104,245 by 2030 (-10.1%), 94,334 by 2040 (-18.7%), and 84,485 by 2050 (-27.2%). A significant population decline is projected over the next three decades.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 32.6% as of 2020 and is projected to rise to 40.5% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Niihama's population decline rate exceeds the national average.