Wakayama和歌山県
Arida 有田市
Data last updated:
Arida, Wakayama, Japan has a population of 23,024 (2025 national census). IPSS projections estimate 22,437 by 2030 and 14,597 by 2050 (a decrease of about 45.0% from 2020), with the share of residents aged 65+ rising from 35.2% in 2020 to 50.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
23,024
2030
(Projection)
22,437
▼ -15.5%
2040
(Projection)
18,356
▼ -30.8%
2050
(Projection)
14,597
▼ -45.0%
Change vs. 2020 census
Enter your age
See the population of 有田市 when you turn 50, 60, 70 and 80.
Other municipalities in Wakayama (和歌山県)
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.
Arida 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 | 35,683 | ▲ +34.5% | Census |
| 1985 | 35,401 | ▲ +33.4% | Census |
| 1990 | 34,810 | ▲ +31.2% | Census |
| 1995 | 34,283 | ▲ +29.2% | Census |
| 2000 | 33,661 | ▲ +26.8% | Census |
| 2005 | 32,143 | ▲ +21.1% | Census |
| 2010 | 30,592 | ▲ +15.3% | Census |
| 2015 | 28,470 | ▲ +7.3% | Census |
| 2020 | 26,538 | — | Census |
| 2025 | 23,024 | ▼ -13.2% | Census |
| 2030 | 22,437 | ▼ -15.5% | Projection |
| 2035 | 20,373 | ▼ -23.2% | Projection |
| 2040 | 18,356 | ▼ -30.8% | Projection |
| 2045 | 16,425 | ▼ -38.1% | Projection |
| 2050 | 14,597 | ▼ -45.0% | Projection |
About Arida
Overview
Arida (有田市) is a municipality in Wakayama, Japan, with a population of 23,024 as of 2025.
Population Projection of Arida
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Arida's population is expected to reach 22,437 by 2030 (-15.5%), 18,356 by 2040 (-30.8%), and 14,597 by 2050 (-45.0%). A significant population decline is projected over the next three decades.
Aging Rate of Arida
The aging rate (percentage of residents aged 65 and over) is 35.2% as of 2020 and is projected to rise to 50.4% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Arida is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #530 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #534 out of 1903 nationwide.
- Population size: Ranked #1023 out of 1917 nationwide.
- Related: National rankings / All municipalities in Wakayama
Earnings in Wakayama (和歌山県): Average salary in Wakayama (和歌山県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure