Japan Population Decline Simulator

Toyama富山県

Toyama 富山市

Data last updated:

Toyama, Toyama, Japan has a population of 399,197 (2025 national census). IPSS projections estimate 387,415 by 2030 and 338,229 by 2050 (a decrease of about 18.3% from 2020), with the share of residents aged 65+ rising from 30.0% in 2020 to 38.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025Census

399,197

2030Projection

387,415

▼ -6.4%

2040Projection

363,524

▼ -12.2%

2050Projection

338,229

▼ -18.3%

Change vs. 2020 census

Elderly Rate (65+): 2020 30%→2050 38.2%

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Other municipalities in Toyama (富山県)

Data Sources

  • Portal Site of Official Statistics of Japan (e-Stat)(https://www.e-stat.go.jp/)
  • National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)

* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.

Toyama 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
1980391,554▼ -5.4%Census
1985401,070▼ -3.1%Census
1990408,942▼ -1.2%Census
1995417,595▲ +0.9%Census
2000420,804▲ +1.7%Census
2005421,239▲ +1.8%Census
2010421,953▲ +1.9%Census
2015418,686▲ +1.1%Census
2020413,938—Census
2025399,197▼ -3.6%Census
2030387,415▼ -6.4%Projection
2035375,859▼ -9.2%Projection
2040363,524▼ -12.2%Projection
2045350,742▼ -15.3%Projection
2050338,229▼ -18.3%Projection

About Toyama

Overview

Toyama (富山市) is a municipality in Toyama, Japan, with a population of 399,197 as of 2025.

Population Projection of Toyama

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Toyama's population is expected to reach 387,415 by 2030 (-6.4%), 363,524 by 2040 (-12.2%), and 338,229 by 2050 (-18.3%). A modest population change is expected.

Aging Rate of Toyama

The aging rate (percentage of residents aged 65 and over) is 30.0% as of 2020 and is projected to rise to 38.2% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Toyama's demographic trajectory is similar to the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1394 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1391 out of 1903 nationwide.
  • Population size: Ranked #54 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Toyama

Earnings in Toyama (富山県): Average salary in Toyama (富山県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Toyama, Toyama?
A.According to the 2025 national census, Toyama has a population of 399,197.
Q.What is the population of Toyama in 2026?
A.Toyama's population in 2026 is estimated at approximately 396,841. This is an interpolated reference value between the 2025 census (399,197) and the IPSS projection for 2030 (387,415).
Q.What is the projected population of Toyama in the future?
A.According to IPSS projections, Toyama's population is expected to be 387,415 in 2030, 363,524 in 2040, and 338,229 in 2050.
Q.What is the population decline rate of Toyama?
A.Over the 30 years from 2020 to 2050, Toyama's population is projected to change by -18.3%. The 10-year change is -6.4% and the 20-year change is -12.2%.
Q.Why is the population of Toyama 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 Toyama, the share of residents aged 65+ is projected to rise from 30.0% to 38.2% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Toyama?
A.Toyama's aging rate (percentage aged 65 and over) is 30.0% as of 2020, projected to rise to 38.2% 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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