Japan Population Decline Simulator

Fukuoka福岡県

Kawasaki 川崎町

Data last updated:

Kawasaki, Fukuoka, Japan has a population of 15,190 (2020 national census). IPSS projections estimate 12,414 by 2030 and 7,469 by 2050 (a decrease of about 50.8% from 2020), with the share of residents aged 65+ rising from 39.1% to 53.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020

(Census)

15,190

2030

(Projection)

12,414

-18.3%

2040

(Projection)

9,795

-35.5%

2050

(Projection)

7,469

-50.8%

Elderly Rate (65+): 2020 39.1%2050 53.4%

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.

Kawasaki Population Projection Table (2020–2050)

Population by year, based on the national census and IPSS (2023) projections.

YearPopulationvs 2020Type
202015,190Census
202513,762▼ -9.4%Projection
203012,414▼ -18.3%Projection
203511,099▼ -26.9%Projection
20409,795▼ -35.5%Projection
20458,578▼ -43.5%Projection
20507,469▼ -50.8%Projection

About Kawasaki

Overview

Kawasaki (川崎町) is a municipality in Fukuoka, Japan, with a population of 15,190 as of 2020.

Population Projection of Kawasaki

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kawasaki's population is expected to reach 12,414 by 2030 (-18.3%), 9,795 by 2040 (-35.5%), and 7,469 by 2050 (-50.8%). The town is projected to lose more than half its population over 30 years.

Aging Rate of Kawasaki

The aging rate (percentage of residents aged 65 and over) is 39.1% as of 2020 and is projected to rise to 53.4% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

Kawasaki is experiencing one of the faster rates of population decline in Japan.

National and Prefectural Rank

  • Population decline rate: Ranked #317 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #350 out of 1916 nationwide.
  • Population size: Ranked #1217 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Fukuoka

Frequently Asked Questions

Q.What is the current population of Kawasaki, Fukuoka?
A.According to the 2020 national census, Kawasaki has a population of 15,190.
Q.What is the population of Kawasaki in 2026?
A.Kawasaki's population in 2026 is estimated at approximately 13,492. This is an interpolated reference value between the 2020 census (15,190) and the IPSS projection for 2030 (12,414).
Q.What is the projected population of Kawasaki in the future?
A.According to IPSS projections, Kawasaki's population is expected to be 12,414 in 2030, 9,795 in 2040, and 7,469 in 2050.
Q.What is the population decline rate of Kawasaki?
A.Over the 30 years from 2020 to 2050, Kawasaki's population is projected to change by -50.8%. The 10-year change is -18.3% and the 20-year change is -35.5%.
Q.Why is the population of Kawasaki 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 Kawasaki, the share of residents aged 65+ is projected to rise from 39.1% to 53.4% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Kawasaki?
A.Kawasaki's aging rate (percentage aged 65 and over) is 39.1% as of 2020, projected to rise to 53.4% 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 the 2020 national census results. Future projections use the IPSS 2023 edition. Data will be updated as new census results become available.

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