Shiga滋賀県
Koura 甲良町
Data last updated:
Koura, Shiga, Japan has a population of 5,709 (2025 national census). IPSS projections estimate 5,275 by 2030 and 3,274 by 2050 (a decrease of about 48.5% from 2020), with the share of residents aged 65+ rising from 33.6% in 2020 to 51.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
5,709
2030Projection
5,275
▼ -17.1%
2040Projection
4,216
▼ -33.7%
2050Projection
3,274
▼ -48.5%
Change vs. 2020 census
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Other municipalities in Shiga (滋賀県)
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.
Koura 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 | 9,058 | ▲ +42.4% | Census |
| 1985 | 9,141 | ▲ +43.7% | Census |
| 1990 | 8,811 | ▲ +38.5% | Census |
| 1995 | 8,569 | ▲ +34.7% | Census |
| 2000 | 8,169 | ▲ +28.4% | Census |
| 2005 | 8,103 | ▲ +27.4% | Census |
| 2010 | 7,500 | ▲ +17.9% | Census |
| 2015 | 7,039 | ▲ +10.6% | Census |
| 2020 | 6,362 | — | Census |
| 2025 | 5,709 | ▼ -10.3% | Census |
| 2030 | 5,275 | ▼ -17.1% | Projection |
| 2035 | 4,738 | ▼ -25.5% | Projection |
| 2040 | 4,216 | ▼ -33.7% | Projection |
| 2045 | 3,729 | ▼ -41.4% | Projection |
| 2050 | 3,274 | ▼ -48.5% | Projection |
About Koura
Overview
Koura (甲良町) is a municipality in Shiga, Japan, with a population of 5,709 as of 2025.
Population Projection of Koura
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Koura's population is expected to reach 5,275 by 2030 (-17.1%), 4,216 by 2040 (-33.7%), and 3,274 by 2050 (-48.5%). A significant population decline is projected over the next three decades.
Aging Rate of Koura
The aging rate (percentage of residents aged 65 and over) is 33.6% as of 2020 and is projected to rise to 51.2% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Koura is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #395 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #487 out of 1903 nationwide.
- Population size: Ranked #1551 out of 1917 nationwide.
- Related: National rankings / All municipalities in Shiga
Earnings in Shiga (滋賀県): Average salary in Shiga (滋賀県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure