Kumamoto熊本県
Kamiamakusa 上天草市
Data last updated:
Kamiamakusa, Kumamoto, Japan has a population of 21,389 (2025 national census). IPSS projections estimate 19,780 by 2030 and 11,669 by 2050 (a decrease of about 52.5% from 2020), with the share of residents aged 65+ rising from 42.1% in 2020 to 56.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년
(실적)
21,389명
2030년
(추계)
19,780명
▼ -19.5%
2040년
(추계)
15,491명
▼ -36.9%
2050년
(추계)
11,669명
▼ -52.5%
Change vs. 2020 census
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나이를 입력하면 50·60·70·80세가 되는 해의 上天草市 인구를 알 수 있습니다.
Kumamoto (熊本県)의 다른 시구정촌
데이터 출처
- 일본 정부 통계 종합 포털(e-Stat)（https://www.e-stat.go.jp/）
- 국립사회보장・인구문제연구소 「일본의 지역별 장래추계인구(레이와 5년 추계)」
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Kamiamakusa 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 | 40,682 | ▲ +65.6% | Census |
| 1985 | 39,900 | ▲ +62.4% | Census |
| 1990 | 38,316 | ▲ +56.0% | Census |
| 1995 | 36,667 | ▲ +49.3% | Census |
| 2000 | 35,314 | ▲ +43.8% | Census |
| 2005 | 32,502 | ▲ +32.3% | Census |
| 2010 | 29,902 | ▲ +21.7% | Census |
| 2015 | 27,006 | ▲ +9.9% | Census |
| 2020 | 24,563 | — | Census |
| 2025 | 21,389 | ▼ -12.9% | Census |
| 2030 | 19,780 | ▼ -19.5% | Projection |
| 2035 | 17,575 | ▼ -28.4% | Projection |
| 2040 | 15,491 | ▼ -36.9% | Projection |
| 2045 | 13,516 | ▼ -45.0% | Projection |
| 2050 | 11,669 | ▼ -52.5% | Projection |
About Kamiamakusa
Overview
Kamiamakusa (上天草市) is a municipality in Kumamoto, Japan, with a population of 21,389 as of 2025.
Population Projection of Kamiamakusa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kamiamakusa's population is expected to reach 19,780 by 2030 (-19.5%), 15,491 by 2040 (-36.9%), and 11,669 by 2050 (-52.5%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Kamiamakusa
The aging rate (percentage of residents aged 65 and over) is 42.1% as of 2020 and is projected to rise to 56.2% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Kamiamakusa is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #250 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #231 out of 1903 nationwide.
- Population size: Ranked #1050 out of 1917 nationwide.
- Related: National rankings / All municipalities in Kumamoto
Kumamoto (熊本県)의 소득 수준: Kumamoto (熊本県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사