Shimane島根県
Chibu 知夫村
Data last updated:
Chibu, Shimane, Japan has a population of 574 (2025 national census). IPSS projections estimate 547 by 2030 and 462 by 2050 (a decrease of about 27.1% from 2020), with the share of residents aged 65+ rising from 44.8% in 2020 to 40.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
574
2030Projection
547
▼ -13.7%
2040Projection
492
▼ -22.4%
2050Projection
462
▼ -27.1%
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.
Chibu 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 | 1,068 | ▲ +68.5% | Census |
| 1985 | 941 | ▲ +48.4% | Census |
| 1990 | 855 | ▲ +34.9% | Census |
| 1995 | 802 | ▲ +26.5% | Census |
| 2000 | 718 | ▲ +13.2% | Census |
| 2005 | 725 | ▲ +14.4% | Census |
| 2010 | 657 | ▲ +3.6% | Census |
| 2015 | 615 | ▼ -3.0% | Census |
| 2020 | 634 | — | Census |
| 2025 | 574 | ▼ -9.5% | Census |
| 2030 | 547 | ▼ -13.7% | Projection |
| 2035 | 520 | ▼ -18.0% | Projection |
| 2040 | 492 | ▼ -22.4% | Projection |
| 2045 | 475 | ▼ -25.1% | Projection |
| 2050 | 462 | ▼ -27.1% | Projection |
About Chibu
Overview
Chibu (知夫村) is a municipality in Shimane, Japan, with a population of 574 as of 2025.
Population Projection of Chibu
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Chibu's population is expected to reach 547 by 2030 (-13.7%), 492 by 2040 (-22.4%), and 462 by 2050 (-27.1%). A significant population decline is projected over the next three decades.
Aging Rate of Chibu
The aging rate (percentage of residents aged 65 and over) is 44.8% as of 2020 and is projected to rise to 40.3% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Chibu's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1143 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1229 out of 1903 nationwide.
- Population size: Ranked #1899 out of 1917 nationwide.
- Related: National rankings / All municipalities in Shimane
Earnings in Shimane (島根県): Average salary in Shimane (島根県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure