Yamanashi山梨県
Nanbu 南部町
Data last updated:
Nanbu, Yamanashi, Japan has a population of 6,326 (2025 national census). IPSS projections estimate 5,554 by 2030 and 2,945 by 2050 (a decrease of about 58.8% from 2020), with the share of residents aged 65+ rising from 43.7% in 2020 to 61.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
6,326
2030
(Projection)
5,554
▼ -22.4%
2040
(Projection)
4,157
▼ -41.9%
2050
(Projection)
2,945
▼ -58.8%
Change vs. 2020 census
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Other municipalities in Yamanashi (山梨県)
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.
Nanbu 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 | 12,465 | ▲ +74.2% | Census |
| 1985 | 11,959 | ▲ +67.1% | Census |
| 1990 | 11,826 | ▲ +65.3% | Census |
| 1995 | 11,437 | ▲ +59.8% | Census |
| 2000 | 10,863 | ▲ +51.8% | Census |
| 2005 | 10,254 | ▲ +43.3% | Census |
| 2010 | 9,011 | ▲ +25.9% | Census |
| 2015 | 8,067 | ▲ +12.7% | Census |
| 2020 | 7,156 | — | Census |
| 2025 | 6,326 | ▼ -11.6% | Census |
| 2030 | 5,554 | ▼ -22.4% | Projection |
| 2035 | 4,837 | ▼ -32.4% | Projection |
| 2040 | 4,157 | ▼ -41.9% | Projection |
| 2045 | 3,519 | ▼ -50.8% | Projection |
| 2050 | 2,945 | ▼ -58.8% | Projection |
About Nanbu
Overview
Nanbu (南部町) is a municipality in Yamanashi, Japan, with a population of 6,326 as of 2025.
Population Projection of Nanbu
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nanbu's population is expected to reach 5,554 by 2030 (-22.4%), 4,157 by 2040 (-41.9%), and 2,945 by 2050 (-58.8%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Nanbu
The aging rate (percentage of residents aged 65 and over) is 43.7% as of 2020 and is projected to rise to 61.3% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Nanbu is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #84 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #79 out of 1903 nationwide.
- Population size: Ranked #1503 out of 1917 nationwide.
- Related: National rankings / All municipalities in Yamanashi
Earnings in Yamanashi (山梨県): Average salary in Yamanashi (山梨県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure