Chiba千葉県
Shirako 白子町
Data last updated:
Shirako, Chiba, Japan has a population of 9,531 (2025 national census). IPSS projections estimate 8,816 by 2030 and 5,779 by 2050 (a decrease of about 43.9% from 2020), with the share of residents aged 65+ rising from 40.6% in 2020 to 54.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
9,531
2030
(Projection)
8,816
▼ -14.4%
2040
(Projection)
7,223
▼ -29.9%
2050
(Projection)
5,779
▼ -43.9%
Change vs. 2020 census
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Other municipalities in Chiba (千葉県)
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.
Shirako 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 | 11,691 | ▲ +13.4% | Census |
| 1985 | 11,975 | ▲ +16.2% | Census |
| 1990 | 12,230 | ▲ +18.7% | Census |
| 1995 | 13,238 | ▲ +28.5% | Census |
| 2000 | 13,103 | ▲ +27.2% | Census |
| 2005 | 12,850 | ▲ +24.7% | Census |
| 2010 | 12,151 | ▲ +17.9% | Census |
| 2015 | 11,149 | ▲ +8.2% | Census |
| 2020 | 10,305 | — | Census |
| 2025 | 9,531 | ▼ -7.5% | Census |
| 2030 | 8,816 | ▼ -14.4% | Projection |
| 2035 | 8,019 | ▼ -22.2% | Projection |
| 2040 | 7,223 | ▼ -29.9% | Projection |
| 2045 | 6,470 | ▼ -37.2% | Projection |
| 2050 | 5,779 | ▼ -43.9% | Projection |
About Shirako
Overview
Shirako (白子町) is a municipality in Chiba, Japan, with a population of 9,531 as of 2025.
Population Projection of Shirako
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shirako's population is expected to reach 8,816 by 2030 (-14.4%), 7,223 by 2040 (-29.9%), and 5,779 by 2050 (-43.9%). A significant population decline is projected over the next three decades.
Aging Rate of Shirako
The aging rate (percentage of residents aged 65 and over) is 40.6% as of 2020 and is projected to rise to 54.7% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Shirako is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #571 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #293 out of 1903 nationwide.
- Population size: Ranked #1369 out of 1917 nationwide.
- Related: National rankings / All municipalities in Chiba
Earnings in Chiba (千葉県): Average salary in Chiba (千葉県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure