Japan Population Decline Simulator

Tokyo東京都

Kiyose 清瀬市

Data last updated:

Kiyose, Tokyo, Japan has a population of 74,768 (2025 national census). IPSS projections estimate 75,289 by 2030 and 72,531 by 2050 (a decrease of about 4.8% from 2020), with the share of residents aged 65+ rising from 29.0% in 2020 to 37.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025Census

74,768

2030Projection

75,289

▼ -1.2%

2040Projection

73,865

▼ -3.1%

2050Projection

72,531

▼ -4.8%

Change vs. 2020 census

Elderly Rate (65+): 2020 29%→2050 37.6%

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Other municipalities in Tokyo (東京都)

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.

Kiyose 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
198061,913▼ -18.8%Census
198565,066▼ -14.6%Census
199067,539▼ -11.4%Census
199567,386▼ -11.6%Census
200068,037▼ -10.7%Census
200573,529▼ -3.5%Census
201074,104▼ -2.8%Census
201574,864▼ -1.8%Census
202076,208—Census
202574,768▼ -1.9%Census
203075,289▼ -1.2%Projection
203574,558▼ -2.2%Projection
204073,865▼ -3.1%Projection
204573,212▼ -3.9%Projection
205072,531▼ -4.8%Projection

About Kiyose

Overview

Kiyose (清瀬市) is a municipality in Tokyo, Japan, with a population of 74,768 as of 2025.

Population Projection of Kiyose

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kiyose's population is expected to reach 75,289 by 2030 (-1.2%), 73,865 by 2040 (-3.1%), and 72,531 by 2050 (-4.8%). A modest population change is expected.

Aging Rate of Kiyose

The aging rate (percentage of residents aged 65 and over) is 29.0% as of 2020 and is projected to rise to 37.6% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Kiyose's demographic trajectory is similar to the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1727 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1428 out of 1903 nationwide.
  • Population size: Ranked #519 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Tokyo

Earnings in Tokyo (東京都): Average salary in Tokyo (東京都) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Kiyose, Tokyo?
A.According to the 2025 national census, Kiyose has a population of 74,768.
Q.What is the population of Kiyose in 2026?
A.Kiyose's population in 2026 is estimated at approximately 74,872. This is an interpolated reference value between the 2025 census (74,768) and the IPSS projection for 2030 (75,289).
Q.What is the projected population of Kiyose in the future?
A.According to IPSS projections, Kiyose's population is expected to be 75,289 in 2030, 73,865 in 2040, and 72,531 in 2050.
Q.What is the population decline rate of Kiyose?
A.Over the 30 years from 2020 to 2050, Kiyose's population is projected to change by -4.8%. The 10-year change is -1.2% and the 20-year change is -3.1%.
Q.Why is the population of Kiyose 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 Kiyose, the share of residents aged 65+ is projected to rise from 29.0% to 37.6% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Kiyose?
A.Kiyose's aging rate (percentage aged 65 and over) is 29.0% as of 2020, projected to rise to 37.6% 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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