Miyazaki宮崎県
Kushima 串間市
Data last updated:
Kushima, Miyazaki, Japan has a population of 14,772 (2025 national census). IPSS projections estimate 13,163 by 2030 and 8,183 by 2050 (a decrease of about 51.4% from 2020), with the share of residents aged 65+ rising from 43.1% in 2020 to 51.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
14,772
2030Projection
13,163
▼ -21.8%
2040Projection
10,462
▼ -37.8%
2050Projection
8,183
▼ -51.4%
Change vs. 2020 census
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Other municipalities in Miyazaki (宮崎県)
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.
Kushima 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 | 29,420 | ▲ +74.9% | Census |
| 1985 | 28,328 | ▲ +68.4% | Census |
| 1990 | 26,734 | ▲ +58.9% | Census |
| 1995 | 25,243 | ▲ +50.1% | Census |
| 2000 | 23,647 | ▲ +40.6% | Census |
| 2005 | 22,118 | ▲ +31.5% | Census |
| 2010 | 20,453 | ▲ +21.6% | Census |
| 2015 | 18,779 | ▲ +11.6% | Census |
| 2020 | 16,822 | — | Census |
| 2025 | 14,772 | ▼ -12.2% | Census |
| 2030 | 13,163 | ▼ -21.8% | Projection |
| 2035 | 11,709 | ▼ -30.4% | Projection |
| 2040 | 10,462 | ▼ -37.8% | Projection |
| 2045 | 9,278 | ▼ -44.8% | Projection |
| 2050 | 8,183 | ▼ -51.4% | Projection |
About Kushima
Overview
Kushima (串間市) is a municipality in Miyazaki, Japan, with a population of 14,772 as of 2025.
Population Projection of Kushima
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kushima's population is expected to reach 13,163 by 2030 (-21.8%), 10,462 by 2040 (-37.8%), and 8,183 by 2050 (-51.4%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Kushima
The aging rate (percentage of residents aged 65 and over) is 43.1% as of 2020 and is projected to rise to 51.5% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Kushima is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #282 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #468 out of 1903 nationwide.
- Population size: Ranked #1190 out of 1917 nationwide.
- Related: National rankings / All municipalities in Miyazaki
Earnings in Miyazaki (宮崎県): Average salary in Miyazaki (宮崎県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure