日本人口减少模拟器

Toyama富山県

Tateyama 立山町

Data last updated:

Tateyama, Toyama, Japan has a population of 23,215 (2025 national census). IPSS projections estimate 22,127 by 2030 and 16,518 by 2050 (a decrease of about 33.4% from 2020), with the share of residents aged 65+ rising from 33.5% in 2020 to 44.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年实际

23,215人

2030年预测

22,127人

▼ -10.7%

2040年预测

19,307人

▼ -22.1%

2050年预测

16,518人

▼ -33.4%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 33.5%→2050年 44.7%

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岁

Toyama (富山県)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。

Tateyama 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
198027,870▲ +12.4%Census
198527,974▲ +12.8%Census
199027,237▲ +9.9%Census
199527,444▲ +10.7%Census
200027,994▲ +12.9%Census
200528,011▲ +13.0%Census
201027,466▲ +10.8%Census
201526,317▲ +6.2%Census
202024,792—Census
202523,215▼ -6.4%Census
203022,127▼ -10.7%Projection
203520,728▼ -16.4%Projection
204019,307▼ -22.1%Projection
204517,897▼ -27.8%Projection
205016,518▼ -33.4%Projection

About Tateyama

Overview

Tateyama (立山町) is a municipality in Toyama, Japan, with a population of 23,215 as of 2025.

Population Projection of Tateyama

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tateyama's population is expected to reach 22,127 by 2030 (-10.7%), 19,307 by 2040 (-22.1%), and 16,518 by 2050 (-33.4%). A significant population decline is projected over the next three decades.

Aging Rate of Tateyama

The aging rate (percentage of residents aged 65 and over) is 33.5% as of 2020 and is projected to rise to 44.7% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Tateyama's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #947 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #903 out of 1903 nationwide.
  • Population size: Ranked #1020 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Toyama

Toyama (富山県)的收入水平: Toyama (富山県)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 Tateyama, Toyama?
A.According to the 2025 national census, Tateyama has a population of 23,215.
Q.What is the population of Tateyama in 2026?
A.Tateyama's population in 2026 is estimated at approximately 22,997. This is an interpolated reference value between the 2025 census (23,215) and the IPSS projection for 2030 (22,127).
Q.What is the projected population of Tateyama in the future?
A.According to IPSS projections, Tateyama's population is expected to be 22,127 in 2030, 19,307 in 2040, and 16,518 in 2050.
Q.What is the population decline rate of Tateyama?
A.Over the 30 years from 2020 to 2050, Tateyama's population is projected to change by -33.4%. The 10-year change is -10.7% and the 20-year change is -22.1%.
Q.Why is the population of Tateyama 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 Tateyama, the share of residents aged 65+ is projected to rise from 33.5% to 44.7% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Tateyama?
A.Tateyama's aging rate (percentage aged 65 and over) is 33.5% as of 2020, projected to rise to 44.7% 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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