Tokyo東京都
Koganei 小金井市
Data last updated:
Koganei, Tokyo, Japan has a population of 128,953 (2025 national census). IPSS projections estimate 129,811 by 2030 and 128,944 by 2050 (an increase of about 2.3% from 2020), with the share of residents aged 65+ rising from 21.2% in 2020 to 28.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년실적
128,953명
2030년추계
129,811명
▲ +3.0%
2040년추계
130,950명
▲ +3.9%
2050년추계
128,944명
▲ +2.3%
Change vs. 2020 census
나이를 입력해 주세요
나이를 입력하면 50·60·70·80세가 되는 해의 小金井市 인구를 알 수 있습니다.
Tokyo (東京都)의 다른 시구정촌
데이터 출처
- 일본 정부 통계 종합 포털(e-Stat)（https://www.e-stat.go.jp/）
- 국립사회보장・인구문제연구소 「일본의 지역별 장래추계인구(레이와 5년 추계)」
※이 서비스는 e-Stat의 API 기능을 사용하고 있으나 서비스 내용은 일본 정부에 의해 보증된 것이 아닙니다.
Koganei Population Table (1980–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1980 | 102,456 | ▼ -18.7% | Census |
| 1985 | 104,642 | ▼ -17.0% | Census |
| 1990 | 105,899 | ▼ -16.0% | Census |
| 1995 | 109,279 | ▼ -13.3% | Census |
| 2000 | 111,825 | ▼ -11.3% | Census |
| 2005 | 114,112 | ▼ -9.5% | Census |
| 2010 | 118,852 | ▼ -5.7% | Census |
| 2015 | 121,396 | ▼ -3.7% | Census |
| 2020 | 126,074 | — | Census |
| 2025 | 128,953 | ▲ +2.3% | Census |
| 2030 | 129,811 | ▲ +3.0% | Projection |
| 2035 | 130,871 | ▲ +3.8% | Projection |
| 2040 | 130,950 | ▲ +3.9% | Projection |
| 2045 | 130,165 | ▲ +3.2% | Projection |
| 2050 | 128,944 | ▲ +2.3% | Projection |
About Koganei
Overview
Koganei (小金井市) is a municipality in Tokyo, Japan, with a population of 128,953 as of 2025.
Population Projection of Koganei
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 (+3.0%), 130,950 by 2040 (+3.9%), and 128,944 by 2050 (+2.3%). Koganei is among the rare Japanese municipalities projected to see population growth.
Aging Rate of Koganei
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 #1830 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1861 out of 1903 nationwide.
- Population size: Ranked #323 out of 1917 nationwide.
- Related: National rankings / All municipalities in Tokyo
Tokyo (東京都)의 소득 수준: Tokyo (東京都)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사