Japan Population Decline Simulator

Fukuoka福岡県

Yuushiyahatanishi 北九州市八幡西区

Data last updated:

Yuushiyahatanishi, Fukuoka, Japan has a population of 242,246 (2025 national census). IPSS projections estimate 234,629 by 2030 and 199,303 by 2050 (a decrease of about 20.3% from 2020), with the share of residents aged 65+ rising from 30.7% in 2020 to 38.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

242,246

2030

(Projection)

234,629

▼ -6.1%

2040

(Projection)

217,223

▼ -13.1%

2050

(Projection)

199,303

▼ -20.3%

Change vs. 2020 census

Elderly Rate (65+): 2020 30.7%→2050 38.4%

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See the population of 北九州市八幡西区 when you turn 50, 60, 70 and 80.

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Other municipalities in Fukuoka (福岡県)

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.

Yuushiyahatanishi 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
1980248,069▼ -0.7%Census
1985251,985▲ +0.8%Census
1990253,018▲ +1.2%Census
1995256,176▲ +2.5%Census
2000260,452▲ +4.2%Census
2005260,070▲ +4.1%Census
2010257,097▲ +2.9%Census
2015256,117▲ +2.5%Census
2020249,933—Census
2025242,246▼ -3.1%Census
2030234,629▼ -6.1%Projection
2035226,108▼ -9.5%Projection
2040217,223▼ -13.1%Projection
2045208,174▼ -16.7%Projection
2050199,303▼ -20.3%Projection

About Yuushiyahatanishi

Overview

Yuushiyahatanishi (北九州市八幡西区) is a municipality in Fukuoka, Japan, with a population of 242,246 as of 2025.

Population Projection of Yuushiyahatanishi

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Yuushiyahatanishi's population is expected to reach 234,629 by 2030 (-6.1%), 217,223 by 2040 (-13.1%), and 199,303 by 2050 (-20.3%). A significant population decline is projected over the next three decades.

Aging Rate of Yuushiyahatanishi

The aging rate (percentage of residents aged 65 and over) is 30.7% as of 2020 and is projected to rise to 38.4% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Yuushiyahatanishi's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1346 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1383 out of 1903 nationwide.
  • Population size: Ranked #129 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 Yuushiyahatanishi, Fukuoka?
A.According to the 2025 national census, Yuushiyahatanishi has a population of 242,246.
Q.What is the population of Yuushiyahatanishi in 2026?
A.Yuushiyahatanishi's population in 2026 is estimated at approximately 240,723. This is an interpolated reference value between the 2025 census (242,246) and the IPSS projection for 2030 (234,629).
Q.What is the projected population of Yuushiyahatanishi in the future?
A.According to IPSS projections, Yuushiyahatanishi's population is expected to be 234,629 in 2030, 217,223 in 2040, and 199,303 in 2050.
Q.What is the population decline rate of Yuushiyahatanishi?
A.Over the 30 years from 2020 to 2050, Yuushiyahatanishi's population is projected to change by -20.3%. The 10-year change is -6.1% and the 20-year change is -13.1%.
Q.Why is the population of Yuushiyahatanishi 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 Yuushiyahatanishi, the share of residents aged 65+ is projected to rise from 30.7% to 38.4% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Yuushiyahatanishi?
A.Yuushiyahatanishi's aging rate (percentage aged 65 and over) is 30.7% as of 2020, projected to rise to 38.4% 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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