日本人口减少模拟器

Kagawa香川県

Sanuki さぬき市

Data last updated:

Sanuki, Kagawa, Japan has a population of 42,523 (2025 national census). IPSS projections estimate 40,458 by 2030 and 27,741 by 2050 (a decrease of about 41.0% from 2020), with the share of residents aged 65+ rising from 37.3% in 2020 to 49.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年实际

42,523人

2030年预测

40,458人

▼ -13.9%

2040年预测

33,931人

▼ -27.8%

2050年预测

27,741人

▼ -41.0%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 37.3%→2050年 49.6%

请输入您的年龄

输入年龄,即可查看您50、60、70、80岁时さぬき市的人口。

岁

Kagawa (香川県)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。

Sanuki 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
198055,576▲ +18.2%Census
198557,152▲ +21.6%Census
199057,604▲ +22.6%Census
199558,390▲ +24.2%Census
200057,772▲ +22.9%Census
200555,754▲ +18.6%Census
201053,000▲ +12.8%Census
201550,272▲ +7.0%Census
202047,003—Census
202542,523▼ -9.5%Census
203040,458▼ -13.9%Projection
203537,186▼ -20.9%Projection
204033,931▼ -27.8%Projection
204530,732▼ -34.6%Projection
205027,741▼ -41.0%Projection

About Sanuki

Overview

Sanuki (さぬき市) is a municipality in Kagawa, Japan, with a population of 42,523 as of 2025.

Population Projection of Sanuki

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Sanuki's population is expected to reach 40,458 by 2030 (-13.9%), 33,931 by 2040 (-27.8%), and 27,741 by 2050 (-41.0%). A significant population decline is projected over the next three decades.

Aging Rate of Sanuki

The aging rate (percentage of residents aged 65 and over) is 37.3% as of 2020 and is projected to rise to 49.6% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #683 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #589 out of 1903 nationwide.
  • Population size: Ranked #754 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Kagawa

Kagawa (香川県)的收入水平: Kagawa (香川県)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 Sanuki, Kagawa?
A.According to the 2025 national census, Sanuki has a population of 42,523.
Q.What is the population of Sanuki in 2026?
A.Sanuki's population in 2026 is estimated at approximately 42,110. This is an interpolated reference value between the 2025 census (42,523) and the IPSS projection for 2030 (40,458).
Q.What is the projected population of Sanuki in the future?
A.According to IPSS projections, Sanuki's population is expected to be 40,458 in 2030, 33,931 in 2040, and 27,741 in 2050.
Q.What is the population decline rate of Sanuki?
A.Over the 30 years from 2020 to 2050, Sanuki's population is projected to change by -41.0%. The 10-year change is -13.9% and the 20-year change is -27.8%.
Q.Why is the population of Sanuki 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 Sanuki, the share of residents aged 65+ is projected to rise from 37.3% to 49.6% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Sanuki?
A.Sanuki's aging rate (percentage aged 65 and over) is 37.3% as of 2020, projected to rise to 49.6% 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.

Similar-Sized Municipalities in Kagawa

Municipalities with Similar Trends

Share this page