Miyazaki宮崎県
Shiiba 椎葉村
Data last updated:
Shiiba, Miyazaki, Japan has a population of 2,176 (2025 national census). IPSS projections estimate 1,863 by 2030 and 1,063 by 2050 (a decrease of about 57.5% from 2020), with the share of residents aged 65+ rising from 45.6% in 2020 to 54.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
2,176
2030Projection
1,863
▼ -25.6%
2040Projection
1,426
▼ -43.0%
2050Projection
1,063
▼ -57.5%
Change vs. 2020 census
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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.
Shiiba 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 | 5,478 | ▲ +118.9% | Census |
| 1985 | 5,131 | ▲ +105.0% | Census |
| 1990 | 4,611 | ▲ +84.2% | Census |
| 1995 | 4,160 | ▲ +66.2% | Census |
| 2000 | 3,769 | ▲ +50.6% | Census |
| 2005 | 3,478 | ▲ +39.0% | Census |
| 2010 | 3,092 | ▲ +23.5% | Census |
| 2015 | 2,808 | ▲ +12.2% | Census |
| 2020 | 2,503 | — | Census |
| 2025 | 2,176 | ▼ -13.1% | Census |
| 2030 | 1,863 | ▼ -25.6% | Projection |
| 2035 | 1,633 | ▼ -34.8% | Projection |
| 2040 | 1,426 | ▼ -43.0% | Projection |
| 2045 | 1,238 | ▼ -50.5% | Projection |
| 2050 | 1,063 | ▼ -57.5% | Projection |
About Shiiba
Overview
Shiiba (椎葉村) is a municipality in Miyazaki, Japan, with a population of 2,176 as of 2025.
Population Projection of Shiiba
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shiiba's population is expected to reach 1,863 by 2030 (-25.6%), 1,426 by 2040 (-43.0%), and 1,063 by 2050 (-57.5%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Shiiba
The aging rate (percentage of residents aged 65 and over) is 45.6% as of 2020 and is projected to rise to 54.2% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Shiiba is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #114 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #314 out of 1903 nationwide.
- Population size: Ranked #1795 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