Japan Population Decline Simulator

Kanagawa神奈川県

Kiyokawa 清川村

Data last updated:

Kiyokawa, Kanagawa, Japan has a population of 3,038 (2020 national census). IPSS projections estimate 2,676 by 2030 and 1,929 by 2050 (a decrease of about 36.5% from 2020), with the share of residents aged 65+ rising from 37.3% to 46.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020

(Census)

3,038

2030

(Projection)

2,676

-11.9%

2040

(Projection)

2,267

-25.4%

2050

(Projection)

1,929

-36.5%

Elderly Rate (65+): 2020 37.3%2050 46.3%

Other municipalities in Kanagawa (神奈川県)

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.

Kiyokawa Population Projection Table (2020–2050)

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

YearPopulationvs 2020Type
20203,038Census
20252,877▼ -5.3%Projection
20302,676▼ -11.9%Projection
20352,463▼ -18.9%Projection
20402,267▼ -25.4%Projection
20452,086▼ -31.3%Projection
20501,929▼ -36.5%Projection

About Kiyokawa

Overview

Kiyokawa (清川村) is a municipality in Kanagawa, Japan, with a population of 3,038 as of 2020.

Population Projection of Kiyokawa

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kiyokawa's population is expected to reach 2,676 by 2030 (-11.9%), 2,267 by 2040 (-25.4%), and 1,929 by 2050 (-36.5%). A significant population decline is projected over the next three decades.

Aging Rate of Kiyokawa

The aging rate (percentage of residents aged 65 and over) is 37.3% as of 2020 and is projected to rise to 46.3% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Kiyokawa's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #843 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #799 out of 1916 nationwide.
  • Population size: Ranked #1747 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Kanagawa

Frequently Asked Questions

Q.What is the current population of Kiyokawa, Kanagawa?
A.According to the 2020 national census, Kiyokawa has a population of 3,038.
Q.What is the population of Kiyokawa in 2026?
A.Kiyokawa's population in 2026 is estimated at approximately 2,837. This is an interpolated reference value between the 2020 census (3,038) and the IPSS projection for 2030 (2,676).
Q.What is the projected population of Kiyokawa in the future?
A.According to IPSS projections, Kiyokawa's population is expected to be 2,676 in 2030, 2,267 in 2040, and 1,929 in 2050.
Q.What is the population decline rate of Kiyokawa?
A.Over the 30 years from 2020 to 2050, Kiyokawa's population is projected to change by -36.5%. The 10-year change is -11.9% and the 20-year change is -25.4%.
Q.Why is the population of Kiyokawa 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 Kiyokawa, the share of residents aged 65+ is projected to rise from 37.3% to 46.3% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Kiyokawa?
A.Kiyokawa's aging rate (percentage aged 65 and over) is 37.3% as of 2020, projected to rise to 46.3% 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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