日本人口减少模拟器

Mie三重県

Watarai 度会町

Data last updated:

Watarai, Mie, Japan has a population of 7,215 (2025 national census). IPSS projections estimate 6,784 by 2030 and 4,573 by 2050 (a decrease of about 41.7% from 2020), with the share of residents aged 65+ rising from 36.2% in 2020 to 52.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

7,215人

2030年

(预测)

6,784人

▼ -13.5%

2040年

(预测)

5,671人

▼ -27.7%

2050年

(预测)

4,573人

▼ -41.7%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 36.2%→2050年 52.5%

请输入您的年龄

输入年龄,即可查看您50、60、70、80岁时度会町的人口。

岁

Mie (三重県)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。

Watarai 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
19808,730▲ +11.3%Census
19858,996▲ +14.6%Census
19909,075▲ +15.6%Census
19959,077▲ +15.7%Census
20009,218▲ +17.5%Census
20059,057▲ +15.4%Census
20108,692▲ +10.8%Census
20158,309▲ +5.9%Census
20207,847—Census
20257,215▼ -8.1%Census
20306,784▼ -13.5%Projection
20356,229▼ -20.6%Projection
20405,671▼ -27.7%Projection
20455,107▼ -34.9%Projection
20504,573▼ -41.7%Projection

About Watarai

Overview

Watarai (度会町) is a municipality in Mie, Japan, with a population of 7,215 as of 2025.

Population Projection of Watarai

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Watarai's population is expected to reach 6,784 by 2030 (-13.5%), 5,671 by 2040 (-27.7%), and 4,573 by 2050 (-41.7%). A significant population decline is projected over the next three decades.

Aging Rate of Watarai

The aging rate (percentage of residents aged 65 and over) is 36.2% as of 2020 and is projected to rise to 52.5% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #662 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #400 out of 1903 nationwide.
  • Population size: Ranked #1462 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Mie

Mie (三重県)的收入水平: Mie (三重県)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 Watarai, Mie?
A.According to the 2025 national census, Watarai has a population of 7,215.
Q.What is the population of Watarai in 2026?
A.Watarai's population in 2026 is estimated at approximately 7,129. This is an interpolated reference value between the 2025 census (7,215) and the IPSS projection for 2030 (6,784).
Q.What is the projected population of Watarai in the future?
A.According to IPSS projections, Watarai's population is expected to be 6,784 in 2030, 5,671 in 2040, and 4,573 in 2050.
Q.What is the population decline rate of Watarai?
A.Over the 30 years from 2020 to 2050, Watarai's population is projected to change by -41.7%. The 10-year change is -13.5% and the 20-year change is -27.7%.
Q.Why is the population of Watarai 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 Watarai, the share of residents aged 65+ is projected to rise from 36.2% to 52.5% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Watarai?
A.Watarai's aging rate (percentage aged 65 and over) is 36.2% as of 2020, projected to rise to 52.5% 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 Mie

Municipalities with Similar Trends

Share this page