日本人口减少模拟器

Ibaraki茨城県

Shirosato 城里町

Data last updated:

Shirosato, Ibaraki, Japan has a population of 16,373 (2025 national census). IPSS projections estimate 15,032 by 2030 and 9,218 by 2050 (a decrease of about 49.1% from 2020), with the share of residents aged 65+ rising from 37.5% in 2020 to 58.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

16,373人

2030年

(预测)

15,032人

▼ -16.9%

2040年

(预测)

12,080人

▼ -33.2%

2050年

(预测)

9,218人

▼ -49.1%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 37.5%→2050年 58.8%

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岁

Ibaraki (茨城県)的其他市区町村

数据来源

  • 日本政府统计综合窗口(e-Stat)(https://www.e-stat.go.jp/)
  • 国立社会保障・人口问题研究所「日本地区别未来推计人口(令和5年推计)」

※本服务使用e-Stat的API功能,但服务内容不受日本政府保证。

Shirosato Population Table (1980–2050)

Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.

YearPopulationvs 2020Type
198020,461▲ +13.1%Census
198520,437▲ +12.9%Census
199020,721▲ +14.5%Census
199521,979▲ +21.5%Census
200023,007▲ +27.1%Census
200522,993▲ +27.1%Census
201021,491▲ +18.8%Census
201519,800▲ +9.4%Census
202018,097—Census
202516,373▼ -9.5%Census
203015,032▼ -16.9%Projection
203513,558▼ -25.1%Projection
204012,080▼ -33.2%Projection
204510,624▼ -41.3%Projection
20509,218▼ -49.1%Projection

About Shirosato

Overview

Shirosato (城里町) is a municipality in Ibaraki, Japan, with a population of 16,373 as of 2025.

Population Projection of Shirosato

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shirosato's population is expected to reach 15,032 by 2030 (-16.9%), 12,080 by 2040 (-33.2%), and 9,218 by 2050 (-49.1%). A significant population decline is projected over the next three decades.

Aging Rate of Shirosato

The aging rate (percentage of residents aged 65 and over) is 37.5% as of 2020 and is projected to rise to 58.8% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

Shirosato is experiencing one of the faster rates of population decline in Japan.

National and Prefectural Rank

  • Population decline rate: Ranked #375 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #149 out of 1903 nationwide.
  • Population size: Ranked #1152 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Ibaraki

Ibaraki (茨城県)的收入水平: Ibaraki (茨城県)的平均年收入(按年龄、性别、企业规模)jpsalary / 厚生劳动省 工资结构基本统计调查

Frequently Asked Questions

Q.What is the current population of Shirosato, Ibaraki?
A.According to the 2025 national census, Shirosato has a population of 16,373.
Q.What is the population of Shirosato in 2026?
A.Shirosato's population in 2026 is estimated at approximately 16,105. This is an interpolated reference value between the 2025 census (16,373) and the IPSS projection for 2030 (15,032).
Q.What is the projected population of Shirosato in the future?
A.According to IPSS projections, Shirosato's population is expected to be 15,032 in 2030, 12,080 in 2040, and 9,218 in 2050.
Q.What is the population decline rate of Shirosato?
A.Over the 30 years from 2020 to 2050, Shirosato's population is projected to change by -49.1%. The 10-year change is -16.9% and the 20-year change is -33.2%.
Q.Why is the population of Shirosato declining?
A.Nationwide, Japan's population decline is driven by natural decrease (deaths exceeding births) and, in regional municipalities, by net out-migration of young people to major metropolitan areas. In Shirosato, the share of residents aged 65+ is projected to rise from 37.5% to 58.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Shirosato?
A.Shirosato's aging rate (percentage aged 65 and over) is 37.5% as of 2020, projected to rise to 58.8% by 2050.
Q.Where does this population data come from?
A.Historical data is sourced from Japan's national census via the e-Stat API (Statistics Bureau of Japan). Future projections are from the National Institute of Population and Social Security Research (IPSS) "Regional Population Projections 2023".
Q.Is the data up to date?
A.Historical data uses national census results through 2025. Future projections use the IPSS 2023 edition, which is based on the 2020 census.

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