Tokushima徳島県
Komatsushima 小松島市
Data last updated:
Komatsushima, Tokushima, Japan has a population of 33,896 (2025 national census). IPSS projections estimate 30,765 by 2030 and 20,786 by 2050 (a decrease of about 42.5% from 2020), with the share of residents aged 65+ rising from 35.0% in 2020 to 50.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
33,896
2030
(Projection)
30,765
▼ -14.9%
2040
(Projection)
25,683
▼ -29.0%
2050
(Projection)
20,786
▼ -42.5%
Change vs. 2020 census
Enter your age
See the population of 小松島市 when you turn 50, 60, 70 and 80.
Other municipalities in Tokushima (徳島県)
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.
Komatsushima 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 | 43,636 | ▲ +20.7% | Census |
| 1985 | 43,998 | ▲ +21.7% | Census |
| 1990 | 43,188 | ▲ +19.5% | Census |
| 1995 | 43,349 | ▲ +19.9% | Census |
| 2000 | 43,078 | ▲ +19.2% | Census |
| 2005 | 42,115 | ▲ +16.5% | Census |
| 2010 | 40,614 | ▲ +12.4% | Census |
| 2015 | 38,755 | ▲ +7.2% | Census |
| 2020 | 36,149 | — | Census |
| 2025 | 33,896 | ▼ -6.2% | Census |
| 2030 | 30,765 | ▼ -14.9% | Projection |
| 2035 | 28,219 | ▼ -21.9% | Projection |
| 2040 | 25,683 | ▼ -29.0% | Projection |
| 2045 | 23,163 | ▼ -35.9% | Projection |
| 2050 | 20,786 | ▼ -42.5% | Projection |
About Komatsushima
Overview
Komatsushima (小松島市) is a municipality in Tokushima, Japan, with a population of 33,896 as of 2025.
Population Projection of Komatsushima
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Komatsushima's population is expected to reach 30,765 by 2030 (-14.9%), 25,683 by 2040 (-29.0%), and 20,786 by 2050 (-42.5%). A significant population decline is projected over the next three decades.
Aging Rate of Komatsushima
The aging rate (percentage of residents aged 65 and over) is 35.0% as of 2020 and is projected to rise to 50.3% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Komatsushima is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #633 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #544 out of 1903 nationwide.
- Population size: Ranked #844 out of 1917 nationwide.
- Related: National rankings / All municipalities in Tokushima
Earnings in Tokushima (徳島県): Average salary in Tokushima (徳島県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure