Niigata新潟県
Kariwa 刈羽村
Data last updated:
Kariwa, Niigata, Japan has a population of 4,318 (2025 national census). IPSS projections estimate 4,060 by 2030 and 3,532 by 2050 (a decrease of about 19.4% from 2020), with the share of residents aged 65+ rising from 32.2% in 2020 to 35.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
4,318
2030
(Projection)
4,060
▼ -7.3%
2040
(Projection)
3,786
▼ -13.6%
2050
(Projection)
3,532
▼ -19.4%
Change vs. 2020 census
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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.
Kariwa 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 | 5,346 | ▲ +22.1% | Census |
| 1985 | 5,502 | ▲ +25.6% | Census |
| 1990 | 5,522 | ▲ +26.1% | Census |
| 1995 | 5,702 | ▲ +30.2% | Census |
| 2000 | 5,028 | ▲ +14.8% | Census |
| 2005 | 4,806 | ▲ +9.7% | Census |
| 2010 | 4,800 | ▲ +9.6% | Census |
| 2015 | 4,775 | ▲ +9.0% | Census |
| 2020 | 4,380 | — | Census |
| 2025 | 4,318 | ▼ -1.4% | Census |
| 2030 | 4,060 | ▼ -7.3% | Projection |
| 2035 | 3,928 | ▼ -10.3% | Projection |
| 2040 | 3,786 | ▼ -13.6% | Projection |
| 2045 | 3,661 | ▼ -16.4% | Projection |
| 2050 | 3,532 | ▼ -19.4% | Projection |
About Kariwa
Overview
Kariwa (刈羽村) is a municipality in Niigata, Japan, with a population of 4,318 as of 2025.
Population Projection of Kariwa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kariwa's population is expected to reach 4,060 by 2030 (-7.3%), 3,786 by 2040 (-13.6%), and 3,532 by 2050 (-19.4%). A modest population change is expected.
Aging Rate of Kariwa
The aging rate (percentage of residents aged 65 and over) is 32.2% as of 2020 and is projected to rise to 35.6% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Kariwa's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1368 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1573 out of 1903 nationwide.
- Population size: Ranked #1637 out of 1917 nationwide.
- Related: National rankings / All municipalities in Niigata
Earnings in Niigata (新潟県): Average salary in Niigata (新潟県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure