Tokyo東京都
Koganei 小金井市
Data last updated:
2020
(Census)
126,253
2030
(Projection)
129,811
▲ +2.8%
2040
(Projection)
130,950
▲ +3.7%
2050
(Projection)
128,944
▲ +2.1%
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.
About Koganei
Overview
Koganei (小金井市) is a municipality in Tokyo, Japan, with a population of 126,253 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Koganei's population is expected to reach 129,811 by 2030 (+2.8%), 130,950 by 2040 (+3.7%), and 128,944 by 2050 (+2.1%). Koganei is among the rare Japanese municipalities projected to see population growth.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 21.2% as of 2020 and is projected to rise to 28.5% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Koganei's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1839 out of 1916 municipalities nationwide.
- Aging rate in 2050: Ranked #1861 out of 1916 nationwide.
- Population size: Ranked #336 out of 1916 nationwide.
- Related: National rankings