Saga佐賀県
Genkai 玄海町
Data last updated:
Genkai, Saga, Japan has a population of 4,642 (2025 national census). IPSS projections estimate 4,830 by 2030 and 3,332 by 2050 (a decrease of about 40.6% from 2020), with the share of residents aged 65+ rising from 31.8% in 2020 to 49.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년실적
4,642명
2030년추계
4,830명
▼ -13.9%
2040년추계
4,092명
▼ -27.0%
2050년추계
3,332명
▼ -40.6%
Change vs. 2020 census
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Saga (佐賀県)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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Genkai 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 | 7,463 | ▲ +33.1% | Census |
| 1985 | 7,622 | ▲ +35.9% | Census |
| 1990 | 7,515 | ▲ +34.0% | Census |
| 1995 | 7,737 | ▲ +37.9% | Census |
| 2000 | 6,986 | ▲ +24.5% | Census |
| 2005 | 6,738 | ▲ +20.1% | Census |
| 2010 | 6,379 | ▲ +13.7% | Census |
| 2015 | 5,902 | ▲ +5.2% | Census |
| 2020 | 5,609 | — | Census |
| 2025 | 4,642 | ▼ -17.2% | Census |
| 2030 | 4,830 | ▼ -13.9% | Projection |
| 2035 | 4,466 | ▼ -20.4% | Projection |
| 2040 | 4,092 | ▼ -27.0% | Projection |
| 2045 | 3,712 | ▼ -33.8% | Projection |
| 2050 | 3,332 | ▼ -40.6% | Projection |
About Genkai
Overview
Genkai (玄海町) is a municipality in Saga, Japan, with a population of 4,642 as of 2025.
Population Projection of Genkai
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Genkai's population is expected to reach 4,830 by 2030 (-13.9%), 4,092 by 2040 (-27.0%), and 3,332 by 2050 (-40.6%). A significant population decline is projected over the next three decades.
Aging Rate of Genkai
The aging rate (percentage of residents aged 65 and over) is 31.8% 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
Genkai is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #698 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #595 out of 1903 nationwide.
- Population size: Ranked #1613 out of 1917 nationwide.
- Related: National rankings / All municipalities in Saga
Saga (佐賀県)의 소득 수준: Saga (佐賀県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사