Gunma群馬県
Naganohara 長野原町
Data last updated:
2020
(Census)
5,102
2030
(Projection)
4,219
▼ -17.3%
2040
(Projection)
3,430
▼ -32.8%
2050
(Projection)
2,681
▼ -47.5%
Other municipalities in Gunma (群馬県)
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 Naganohara
Overview
Naganohara (長野原町) is a municipality in Gunma, Japan, with a population of 5,102 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Naganohara's population is expected to reach 4,219 by 2030 (-17.3%), 3,430 by 2040 (-32.8%), and 2,681 by 2050 (-47.5%). A significant population decline is projected over the next three decades.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 39.2% as of 2020 and is projected to rise to 54.1% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Naganohara is experiencing one of the faster rates of population decline in Japan.