Kochi高知県
Nahari 奈半利町
Data last updated:
Nahari, Kochi, Japan has a population of 2,721 (2025 national census). IPSS projections estimate 2,595 by 2030 and 1,723 by 2050 (a decrease of about 43.2% from 2020), with the share of residents aged 65+ rising from 46.8% in 2020 to 54.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년
(실적)
2,721명
2030년
(추계)
2,595명
▼ -14.5%
2040년
(추계)
2,169명
▼ -28.5%
2050년
(추계)
1,723명
▼ -43.2%
Change vs. 2020 census
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Kochi (高知県)의 다른 시구정촌
데이터 출처
- 일본 정부 통계 종합 포털(e-Stat)（https://www.e-stat.go.jp/）
- 국립사회보장・인구문제연구소 「일본의 지역별 장래추계인구(레이와 5년 추계)」
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Nahari 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 | 4,874 | ▲ +60.6% | Census |
| 1985 | 4,870 | ▲ +60.5% | Census |
| 1990 | 4,527 | ▲ +49.2% | Census |
| 1995 | 4,291 | ▲ +41.4% | Census |
| 2000 | 4,027 | ▲ +32.7% | Census |
| 2005 | 3,727 | ▲ +22.8% | Census |
| 2010 | 3,542 | ▲ +16.7% | Census |
| 2015 | 3,326 | ▲ +9.6% | Census |
| 2020 | 3,034 | — | Census |
| 2025 | 2,721 | ▼ -10.3% | Census |
| 2030 | 2,595 | ▼ -14.5% | Projection |
| 2035 | 2,382 | ▼ -21.5% | Projection |
| 2040 | 2,169 | ▼ -28.5% | Projection |
| 2045 | 1,943 | ▼ -36.0% | Projection |
| 2050 | 1,723 | ▼ -43.2% | Projection |
About Nahari
Overview
Nahari (奈半利町) is a municipality in Kochi, Japan, with a population of 2,721 as of 2025.
Population Projection of Nahari
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nahari's population is expected to reach 2,595 by 2030 (-14.5%), 2,169 by 2040 (-28.5%), and 1,723 by 2050 (-43.2%). A significant population decline is projected over the next three decades.
Aging Rate of Nahari
The aging rate (percentage of residents aged 65 and over) is 46.8% as of 2020 and is projected to rise to 54.9% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Nahari is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #593 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #284 out of 1903 nationwide.
- Population size: Ranked #1746 out of 1917 nationwide.
- Related: National rankings / All municipalities in Kochi
Kochi (高知県)의 소득 수준: Kochi (高知県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사