Okayama岡山県
Kagamino 鏡野町
Data last updated:
Kagamino, Okayama, Japan has a population of 11,121 (2025 national census). IPSS projections estimate 10,774 by 2030 and 8,416 by 2050 (a decrease of about 30.2% from 2020), with the share of residents aged 65+ rising from 38.7% in 2020 to 41.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
11,121
2030Projection
10,774
▼ -10.7%
2040Projection
9,569
▼ -20.7%
2050Projection
8,416
▼ -30.2%
Change vs. 2020 census
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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.
Kagamino 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 | 17,493 | ▲ +45.0% | Census |
| 1985 | 17,457 | ▲ +44.7% | Census |
| 1990 | 16,500 | ▲ +36.8% | Census |
| 1995 | 15,731 | ▲ +30.4% | Census |
| 2000 | 15,091 | ▲ +25.1% | Census |
| 2005 | 14,059 | ▲ +16.6% | Census |
| 2010 | 13,580 | ▲ +12.6% | Census |
| 2015 | 12,847 | ▲ +6.5% | Census |
| 2020 | 12,062 | — | Census |
| 2025 | 11,121 | ▼ -7.8% | Census |
| 2030 | 10,774 | ▼ -10.7% | Projection |
| 2035 | 10,170 | ▼ -15.7% | Projection |
| 2040 | 9,569 | ▼ -20.7% | Projection |
| 2045 | 8,977 | ▼ -25.6% | Projection |
| 2050 | 8,416 | ▼ -30.2% | Projection |
About Kagamino
Overview
Kagamino (鏡野町) is a municipality in Okayama, Japan, with a population of 11,121 as of 2025.
Population Projection of Kagamino
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kagamino's population is expected to reach 10,774 by 2030 (-10.7%), 9,569 by 2040 (-20.7%), and 8,416 by 2050 (-30.2%). A significant population decline is projected over the next three decades.
Aging Rate of Kagamino
The aging rate (percentage of residents aged 65 and over) is 38.7% as of 2020 and is projected to rise to 41.6% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Kagamino's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1051 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1126 out of 1903 nationwide.
- Population size: Ranked #1309 out of 1917 nationwide.
- Related: National rankings / All municipalities in Okayama
Earnings in Okayama (岡山県): Average salary in Okayama (岡山県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure