Kagoshima鹿児島県
Tarumizu 垂水市
Data last updated:
Tarumizu, Kagoshima, Japan has a population of 12,236 (2025 national census). IPSS projections estimate 11,125 by 2030 and 6,629 by 2050 (a decrease of about 52.0% from 2020), with the share of residents aged 65+ rising from 43.1% in 2020 to 54.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
12,236
2030
(Projection)
11,125
▼ -19.5%
2040
(Projection)
8,774
▼ -36.5%
2050
(Projection)
6,629
▼ -52.0%
Change vs. 2020 census
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Other municipalities in Kagoshima (鹿児島県)
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.
Tarumizu 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 | 24,179 | ▲ +75.0% | Census |
| 1985 | 23,504 | ▲ +70.1% | Census |
| 1990 | 22,264 | ▲ +61.1% | Census |
| 1995 | 20,933 | ▲ +51.5% | Census |
| 2000 | 20,107 | ▲ +45.5% | Census |
| 2005 | 18,928 | ▲ +37.0% | Census |
| 2010 | 17,248 | ▲ +24.8% | Census |
| 2015 | 15,520 | ▲ +12.3% | Census |
| 2020 | 13,819 | — | Census |
| 2025 | 12,236 | ▼ -11.5% | Census |
| 2030 | 11,125 | ▼ -19.5% | Projection |
| 2035 | 9,923 | ▼ -28.2% | Projection |
| 2040 | 8,774 | ▼ -36.5% | Projection |
| 2045 | 7,663 | ▼ -44.5% | Projection |
| 2050 | 6,629 | ▼ -52.0% | Projection |
About Tarumizu
Overview
Tarumizu (垂水市) is a municipality in Kagoshima, Japan, with a population of 12,236 as of 2025.
Population Projection of Tarumizu
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tarumizu's population is expected to reach 11,125 by 2030 (-19.5%), 8,774 by 2040 (-36.5%), and 6,629 by 2050 (-52.0%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Tarumizu
The aging rate (percentage of residents aged 65 and over) is 43.1% as of 2020 and is projected to rise to 54.1% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Tarumizu is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #266 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #322 out of 1903 nationwide.
- Population size: Ranked #1280 out of 1917 nationwide.
- Related: National rankings / All municipalities in Kagoshima
Earnings in Kagoshima (鹿児島県): Average salary in Kagoshima (鹿児島県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure