Ehime愛媛県
Iyo 伊予市
Data last updated:
Iyo, Ehime, Japan has a population of 33,415 (2025 national census). IPSS projections estimate 31,502 by 2030 and 23,641 by 2050 (a decrease of about 32.7% from 2020), with the share of residents aged 65+ rising from 34.2% in 2020 to 44.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年
(实际)
33,415人
2030年
(预测)
31,502人
▼ -10.3%
2040年
(预测)
27,521人
▼ -21.7%
2050年
(预测)
23,641人
▼ -32.7%
Change vs. 2020 census
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Ehime (愛媛県)的其他市区町村
数据来源
- 日本政府统计综合窗口(e-Stat)（https://www.e-stat.go.jp/）
- 国立社会保障・人口问题研究所「日本地区别未来推计人口（令和5年推计）」
※本服务使用e-Stat的API功能，但服务内容不受日本政府保证。
Iyo 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 | 42,842 | ▲ +21.9% | Census |
| 1985 | 42,306 | ▲ +20.4% | Census |
| 1990 | 41,516 | ▲ +18.2% | Census |
| 1995 | 41,064 | ▲ +16.9% | Census |
| 2000 | 40,505 | ▲ +15.3% | Census |
| 2005 | 39,493 | ▲ +12.4% | Census |
| 2010 | 38,017 | ▲ +8.2% | Census |
| 2015 | 36,827 | ▲ +4.8% | Census |
| 2020 | 35,133 | — | Census |
| 2025 | 33,415 | ▼ -4.9% | Census |
| 2030 | 31,502 | ▼ -10.3% | Projection |
| 2035 | 29,510 | ▼ -16.0% | Projection |
| 2040 | 27,521 | ▼ -21.7% | Projection |
| 2045 | 25,552 | ▼ -27.3% | Projection |
| 2050 | 23,641 | ▼ -32.7% | Projection |
About Iyo
Overview
Iyo (伊予市) is a municipality in Ehime, Japan, with a population of 33,415 as of 2025.
Population Projection of Iyo
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Iyo's population is expected to reach 31,502 by 2030 (-10.3%), 27,521 by 2040 (-21.7%), and 23,641 by 2050 (-32.7%). A significant population decline is projected over the next three decades.
Aging Rate of Iyo
The aging rate (percentage of residents aged 65 and over) is 34.2% as of 2020 and is projected to rise to 44.8% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Iyo's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #976 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #898 out of 1903 nationwide.
- Population size: Ranked #849 out of 1917 nationwide.
- Related: National rankings / All municipalities in Ehime
Ehime (愛媛県)的收入水平: Ehime (愛媛県)的平均年收入（按年龄、性别、企业规模）jpsalary / 厚生劳动省 工资结构基本统计调查