Niigata新潟県
Nagaoka 長岡市
Data last updated:
2020
(Census)
267,115
2030
(Projection)
245,260
▼ -8.2%
2040
(Projection)
221,942
▼ -16.9%
2050
(Projection)
197,104
▼ -26.2%
Other municipalities in Niigata (新潟県)
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 Nagaoka
Overview
Nagaoka (長岡市) is a municipality in Niigata, Japan, with a population of 267,115 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nagaoka's population is expected to reach 245,260 by 2030 (-8.2%), 221,942 by 2040 (-16.9%), and 197,104 by 2050 (-26.2%). A significant population decline is projected over the next three decades.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 31.4% as of 2020 and is projected to rise to 41.1% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Nagaoka's population decline rate exceeds the national average.