Kagawa香川県
Kan'onji 観音寺市
Data last updated:
Kan'onji, Kagawa, Japan has a population of 54,352 (2025 national census). IPSS projections estimate 51,470 by 2030 and 39,329 by 2050 (a decrease of about 31.5% from 2020), with the share of residents aged 65+ rising from 34.1% in 2020 to 41.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
54,352
2030Projection
51,470
▼ -10.4%
2040Projection
45,380
▼ -21.0%
2050Projection
39,329
▼ -31.5%
Change vs. 2020 census
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Other municipalities in Kagawa (香川県)
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.
Kan'onji 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 | 68,435 | ▲ +19.1% | Census |
| 1985 | 69,308 | ▲ +20.7% | Census |
| 1990 | 68,436 | ▲ +19.1% | Census |
| 1995 | 67,542 | ▲ +17.6% | Census |
| 2000 | 66,555 | ▲ +15.9% | Census |
| 2005 | 65,226 | ▲ +13.6% | Census |
| 2010 | 62,690 | ▲ +9.1% | Census |
| 2015 | 59,409 | ▲ +3.4% | Census |
| 2020 | 57,438 | — | Census |
| 2025 | 54,352 | ▼ -5.4% | Census |
| 2030 | 51,470 | ▼ -10.4% | Projection |
| 2035 | 48,433 | ▼ -15.7% | Projection |
| 2040 | 45,380 | ▼ -21.0% | Projection |
| 2045 | 42,309 | ▼ -26.3% | Projection |
| 2050 | 39,329 | ▼ -31.5% | Projection |
About Kan'onji
Overview
Kan'onji (観音寺市) is a municipality in Kagawa, Japan, with a population of 54,352 as of 2025.
Population Projection of Kan'onji
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kan'onji's population is expected to reach 51,470 by 2030 (-10.4%), 45,380 by 2040 (-21.0%), and 39,329 by 2050 (-31.5%). A significant population decline is projected over the next three decades.
Aging Rate of Kan'onji
The aging rate (percentage of residents aged 65 and over) is 34.1% as of 2020 and is projected to rise to 41.9% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Kan'onji's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1012 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1104 out of 1903 nationwide.
- Population size: Ranked #646 out of 1917 nationwide.
- Related: National rankings / All municipalities in Kagawa
Earnings in Kagawa (香川県): Average salary in Kagawa (香川県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure