Japan Population Decline Simulator

Fukuoka福岡県

Tagawa 田川市

Data last updated:

Tagawa, Fukuoka, Japan has a population of 44,206 (2025 national census). IPSS projections estimate 42,135 by 2030 and 34,421 by 2050 (a decrease of about 25.5% from 2020), with the share of residents aged 65+ rising from 34.9% in 2020 to 37.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

44,206

2030

(Projection)

42,135

▼ -8.8%

2040

(Projection)

38,130

▼ -17.5%

2050

(Projection)

34,421

▼ -25.5%

Change vs. 2020 census

Elderly Rate (65+): 2020 34.9%→2050 37.2%

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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.

Tagawa 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
198060,077▲ +30.0%Census
198559,727▲ +29.3%Census
199057,700▲ +24.9%Census
199556,547▲ +22.4%Census
200054,027▲ +16.9%Census
200551,534▲ +11.5%Census
201050,605▲ +9.5%Census
201548,441▲ +4.8%Census
202046,203—Census
202544,206▼ -4.3%Census
203042,135▼ -8.8%Projection
203540,119▼ -13.2%Projection
204038,130▼ -17.5%Projection
204536,185▼ -21.7%Projection
205034,421▼ -25.5%Projection

About Tagawa

Overview

Tagawa (田川市) is a municipality in Fukuoka, Japan, with a population of 44,206 as of 2025.

Population Projection of Tagawa

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tagawa's population is expected to reach 42,135 by 2030 (-8.8%), 38,130 by 2040 (-17.5%), and 34,421 by 2050 (-25.5%). A significant population decline is projected over the next three decades.

Aging Rate of Tagawa

The aging rate (percentage of residents aged 65 and over) is 34.9% as of 2020 and is projected to rise to 37.2% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Tagawa's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1193 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1467 out of 1903 nationwide.
  • Population size: Ranked #732 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Fukuoka

Earnings in Fukuoka (福岡県): Average salary in Fukuoka (福岡県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Tagawa, Fukuoka?
A.According to the 2025 national census, Tagawa has a population of 44,206.
Q.What is the population of Tagawa in 2026?
A.Tagawa's population in 2026 is estimated at approximately 43,792. This is an interpolated reference value between the 2025 census (44,206) and the IPSS projection for 2030 (42,135).
Q.What is the projected population of Tagawa in the future?
A.According to IPSS projections, Tagawa's population is expected to be 42,135 in 2030, 38,130 in 2040, and 34,421 in 2050.
Q.What is the population decline rate of Tagawa?
A.Over the 30 years from 2020 to 2050, Tagawa's population is projected to change by -25.5%. The 10-year change is -8.8% and the 20-year change is -17.5%.
Q.Why is the population of Tagawa 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 Tagawa, the share of residents aged 65+ is projected to rise from 34.9% to 37.2% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Tagawa?
A.Tagawa's aging rate (percentage aged 65 and over) is 34.9% as of 2020, projected to rise to 37.2% 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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