Japan Population Decline Simulator

Toyama富山県

Namerikawa 滑川市

Data last updated:

Namerikawa, Toyama, Japan has a population of 31,317 (2025 national census). IPSS projections estimate 30,412 by 2030 and 25,699 by 2050 (a decrease of about 20.6% from 2020), with the share of residents aged 65+ rising from 30.1% in 2020 to 38.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025Census

31,317

2030Projection

30,412

▼ -6.0%

2040Projection

28,105

▼ -13.1%

2050Projection

25,699

▼ -20.6%

Change vs. 2020 census

Elderly Rate (65+): 2020 30.1%→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.

Namerikawa 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
198030,744▼ -5.0%Census
198530,880▼ -4.5%Census
199030,923▼ -4.4%Census
199531,841▼ -1.6%Census
200033,363▲ +3.1%Census
200534,002▲ +5.1%Census
201033,676▲ +4.1%Census
201532,755▲ +1.3%Census
202032,349—Census
202531,317▼ -3.2%Census
203030,412▼ -6.0%Projection
203529,288▼ -9.5%Projection
204028,105▼ -13.1%Projection
204526,914▼ -16.8%Projection
205025,699▼ -20.6%Projection

About Namerikawa

Overview

Namerikawa (滑川市) is a municipality in Toyama, Japan, with a population of 31,317 as of 2025.

Population Projection of Namerikawa

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Namerikawa's population is expected to reach 30,412 by 2030 (-6.0%), 28,105 by 2040 (-13.1%), and 25,699 by 2050 (-20.6%). A significant population decline is projected over the next three decades.

Aging Rate of Namerikawa

The aging rate (percentage of residents aged 65 and over) is 30.1% 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

Namerikawa's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1336 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1392 out of 1903 nationwide.
  • Population size: Ranked #878 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 Namerikawa, Toyama?
A.According to the 2025 national census, Namerikawa has a population of 31,317.
Q.What is the population of Namerikawa in 2026?
A.Namerikawa's population in 2026 is estimated at approximately 31,136. This is an interpolated reference value between the 2025 census (31,317) and the IPSS projection for 2030 (30,412).
Q.What is the projected population of Namerikawa in the future?
A.According to IPSS projections, Namerikawa's population is expected to be 30,412 in 2030, 28,105 in 2040, and 25,699 in 2050.
Q.What is the population decline rate of Namerikawa?
A.Over the 30 years from 2020 to 2050, Namerikawa's population is projected to change by -20.6%. The 10-year change is -6.0% and the 20-year change is -13.1%.
Q.Why is the population of Namerikawa 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 Namerikawa, the share of residents aged 65+ is projected to rise from 30.1% to 38.2% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Namerikawa?
A.Namerikawa's aging rate (percentage aged 65 and over) is 30.1% 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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