日本人口减少模拟器

Wakayama和歌山県

Hidakagawa 日高川町

Data last updated:

Hidakagawa, Wakayama, Japan has a population of 8,352 (2025 national census). IPSS projections estimate 7,824 by 2030 and 5,413 by 2050 (a decrease of about 41.3% from 2020), with the share of residents aged 65+ rising from 36.8% in 2020 to 49.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

8,352人

2030年

(预测)

7,824人

▼ -15.1%

2040年

(预测)

6,591人

▼ -28.5%

2050年

(预测)

5,413人

▼ -41.3%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 36.8%→2050年 49.1%

请输入您的年龄

输入年龄,即可查看您50、60、70、80岁时日高川町的人口。

岁

Wakayama (和歌山県)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。

Hidakagawa 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
198012,274▲ +33.1%Census
198512,006▲ +30.2%Census
199011,746▲ +27.4%Census
199511,556▲ +25.3%Census
200011,607▲ +25.9%Census
200511,305▲ +22.6%Census
201010,509▲ +14.0%Census
20159,776▲ +6.0%Census
20209,219—Census
20258,352▼ -9.4%Census
20307,824▼ -15.1%Projection
20357,196▼ -21.9%Projection
20406,591▼ -28.5%Projection
20455,990▼ -35.0%Projection
20505,413▼ -41.3%Projection

About Hidakagawa

Overview

Hidakagawa (日高川町) is a municipality in Wakayama, Japan, with a population of 8,352 as of 2025.

Population Projection of Hidakagawa

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Hidakagawa's population is expected to reach 7,824 by 2030 (-15.1%), 6,591 by 2040 (-28.5%), and 5,413 by 2050 (-41.3%). A significant population decline is projected over the next three decades.

Aging Rate of Hidakagawa

The aging rate (percentage of residents aged 65 and over) is 36.8% as of 2020 and is projected to rise to 49.1% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #670 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #619 out of 1903 nationwide.
  • Population size: Ranked #1412 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Wakayama

Wakayama (和歌山県)的收入水平: Wakayama (和歌山県)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 Hidakagawa, Wakayama?
A.According to the 2025 national census, Hidakagawa has a population of 8,352.
Q.What is the population of Hidakagawa in 2026?
A.Hidakagawa's population in 2026 is estimated at approximately 8,246. This is an interpolated reference value between the 2025 census (8,352) and the IPSS projection for 2030 (7,824).
Q.What is the projected population of Hidakagawa in the future?
A.According to IPSS projections, Hidakagawa's population is expected to be 7,824 in 2030, 6,591 in 2040, and 5,413 in 2050.
Q.What is the population decline rate of Hidakagawa?
A.Over the 30 years from 2020 to 2050, Hidakagawa's population is projected to change by -41.3%. The 10-year change is -15.1% and the 20-year change is -28.5%.
Q.Why is the population of Hidakagawa 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 Hidakagawa, the share of residents aged 65+ is projected to rise from 36.8% to 49.1% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Hidakagawa?
A.Hidakagawa's aging rate (percentage aged 65 and over) is 36.8% as of 2020, projected to rise to 49.1% 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 Wakayama

Municipalities with Similar Trends

Share this page