Nagano長野県
Neba 根羽村
Data last updated:
Neba, Nagano, Japan has a population of 784 (2025 national census). IPSS projections estimate 639 by 2030 and 378 by 2050 (a decrease of about 55.6% from 2020), with the share of residents aged 65+ rising from 52.5% in 2020 to 49.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
784
2030
(Projection)
639
▼ -25.0%
2040
(Projection)
496
▼ -41.8%
2050
(Projection)
378
▼ -55.6%
Change vs. 2020 census
Enter your age
See the population of 根羽村 when you turn 50, 60, 70 and 80.
Other municipalities in Nagano (長野県)
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.
Neba Population Table (1980–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1980 | 1,773 | ▲ +108.1% | Census |
| 1985 | 1,722 | ▲ +102.1% | Census |
| 1990 | 1,599 | ▲ +87.7% | Census |
| 1995 | 1,522 | ▲ +78.6% | Census |
| 2000 | 1,380 | ▲ +62.0% | Census |
| 2005 | 1,253 | ▲ +47.1% | Census |
| 2010 | 1,129 | ▲ +32.5% | Census |
| 2015 | 970 | ▲ +13.8% | Census |
| 2020 | 852 | — | Census |
| 2025 | 784 | ▼ -8.0% | Census |
| 2030 | 639 | ▼ -25.0% | Projection |
| 2035 | 560 | ▼ -34.3% | Projection |
| 2040 | 496 | ▼ -41.8% | Projection |
| 2045 | 434 | ▼ -49.1% | Projection |
| 2050 | 378 | ▼ -55.6% | Projection |
About Neba
Overview
Neba (根羽村) is a municipality in Nagano, Japan, with a population of 784 as of 2025.
Population Projection of Neba
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Neba's population is expected to reach 639 by 2030 (-25.0%), 496 by 2040 (-41.8%), and 378 by 2050 (-55.6%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Neba
The aging rate (percentage of residents aged 65 and over) is 52.5% as of 2020 and is projected to rise to 49.5% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Neba is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #152 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #592 out of 1903 nationwide.
- Population size: Ranked #1888 out of 1917 nationwide.
- Related: National rankings / All municipalities in Nagano
Earnings in Nagano (長野県): Average salary in Nagano (長野県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure