Aichi愛知県
Komaki 小牧市
Data last updated:
Komaki, Aichi, Japan has a population of 144,828 (2025 national census). IPSS projections estimate 144,068 by 2030 and 124,365 by 2050 (a decrease of about 16.4% from 2020), with the share of residents aged 65+ rising from 25.0% in 2020 to 35.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
144,828
2030Projection
144,068
▼ -3.2%
2040Projection
134,622
▼ -9.5%
2050Projection
124,365
▼ -16.4%
Change vs. 2020 census
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Other municipalities in Aichi (愛知県)
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.
Komaki 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 | 103,233 | ▼ -30.6% | Census |
| 1985 | 113,284 | ▼ -23.9% | Census |
| 1990 | 124,441 | ▼ -16.4% | Census |
| 1995 | 137,165 | ▼ -7.8% | Census |
| 2000 | 143,122 | ▼ -3.8% | Census |
| 2005 | 147,182 | ▼ -1.1% | Census |
| 2010 | 147,132 | ▼ -1.1% | Census |
| 2015 | 149,462 | ▲ +0.4% | Census |
| 2020 | 148,831 | — | Census |
| 2025 | 144,828 | ▼ -2.7% | Census |
| 2030 | 144,068 | ▼ -3.2% | Projection |
| 2035 | 139,574 | ▼ -6.2% | Projection |
| 2040 | 134,622 | ▼ -9.5% | Projection |
| 2045 | 129,486 | ▼ -13.0% | Projection |
| 2050 | 124,365 | ▼ -16.4% | Projection |
About Komaki
Overview
Komaki (小牧市) is a municipality in Aichi, Japan, with a population of 144,828 as of 2025.
Population Projection of Komaki
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Komaki's population is expected to reach 144,068 by 2030 (-3.2%), 134,622 by 2040 (-9.5%), and 124,365 by 2050 (-16.4%). A modest population change is expected.
Aging Rate of Komaki
The aging rate (percentage of residents aged 65 and over) is 25.0% as of 2020 and is projected to rise to 35.5% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Komaki's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1446 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1583 out of 1903 nationwide.
- Population size: Ranked #276 out of 1917 nationwide.
- Related: National rankings / All municipalities in Aichi
Earnings in Aichi (愛知県): Average salary in Aichi (愛知県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure