Wakayama和歌山県
Aridagawa 有田川町
Data last updated:
Aridagawa, Wakayama, Japan has a population of 23,789 (2025 national census). IPSS projections estimate 22,715 by 2030 and 17,649 by 2050 (a decrease of about 30.1% from 2020), with the share of residents aged 65+ rising from 33.0% in 2020 to 42.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년
(실적)
23,789명
2030년
(추계)
22,715명
▼ -10.1%
2040년
(추계)
20,174명
▼ -20.1%
2050년
(추계)
17,649명
▼ -30.1%
Change vs. 2020 census
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Wakayama (和歌山県)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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Aridagawa 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 | 30,944 | ▲ +22.5% | Census |
| 1985 | 30,322 | ▲ +20.0% | Census |
| 1990 | 29,870 | ▲ +18.3% | Census |
| 1995 | 29,703 | ▲ +17.6% | Census |
| 2000 | 29,563 | ▲ +17.0% | Census |
| 2005 | 28,640 | ▲ +13.4% | Census |
| 2010 | 27,162 | ▲ +7.5% | Census |
| 2015 | 26,361 | ▲ +4.4% | Census |
| 2020 | 25,258 | — | Census |
| 2025 | 23,789 | ▼ -5.8% | Census |
| 2030 | 22,715 | ▼ -10.1% | Projection |
| 2035 | 21,441 | ▼ -15.1% | Projection |
| 2040 | 20,174 | ▼ -20.1% | Projection |
| 2045 | 18,913 | ▼ -25.1% | Projection |
| 2050 | 17,649 | ▼ -30.1% | Projection |
About Aridagawa
Overview
Aridagawa (有田川町) is a municipality in Wakayama, Japan, with a population of 23,789 as of 2025.
Population Projection of Aridagawa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Aridagawa's population is expected to reach 22,715 by 2030 (-10.1%), 20,174 by 2040 (-20.1%), and 17,649 by 2050 (-30.1%). A significant population decline is projected over the next three decades.
Aging Rate of Aridagawa
The aging rate (percentage of residents aged 65 and over) is 33.0% as of 2020 and is projected to rise to 42.2% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Aridagawa's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1055 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1081 out of 1903 nationwide.
- Population size: Ranked #1012 out of 1917 nationwide.
- Related: National rankings / All municipalities in Wakayama
Wakayama (和歌山県)의 소득 수준: Wakayama (和歌山県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사