Komaki: population and official figures
In depth
- Economy, jobs and prices in Komaki: Taxable income for municipal resident tax in Komaki averaged 3.71 million yen per taxpayer in fiscal 2024, 120th highest of 262 cities and below the national average of 3,933.7 thousand yen per taxpayer. It is income before deductions, so it is not take-home pay.
- Health in Komaki: Komaki had 3 general hospitals (hospitals other than psychiatric ones) in 2023, or 2.02 per 100,000 residents, 6th lowest of 262 cities, below the national figure (5.60).
- Education in Komaki: Komaki had 16 primary schools with 7,472 pupils and 501 full-time teachers in May 2024.
- Poverty and living standards in Komaki: 33.7% of private households in Komaki were one-person households at the 2020 census (21,072), 104th lowest of 262 cities, below the national figure (38.0%).
- Government budget and revenue in Komaki: The municipal government of Komaki took in 63.8 billion yen in fiscal 2022 (final accounts), 428,788 yen per resident, 91st lowest of 262 cities.
What is the population of Komaki?
Komaki had 148,831 residents at the 1 October 2020 census (city proper). That is 101st lowest of 262 cities. The count includes foreign residents.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow big is Komaki and how densely populated is it?
Komaki covers 62.81 square kilometres (2024), of which 56.06 is habitable land. That is 2,370 people per square kilometre of total area at the 2020 census, 97th highest of 262 for density.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyIs the population of Komaki growing or shrinking?
The basic resident register recorded 149,025 residents in Komaki in 2024, 0.1% more than the 2020 census count (all municipalities together: -1.4%). The register and the census are counted differently, so the change is indicative.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many children live in Komaki?
13.0% of residents of Komaki were under 15 (19,321 children) and 61.4% were aged 15 to 64 at the 2020 census; nationally the shares were 11.9% and 57.8%.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many households are there in Komaki?
Komaki had 62,633 households at the 2020 census, of which 62,568 were private households; that is about 2.38 residents per household (residents divided by all households).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many foreigners live in Komaki?
9,011 foreign nationals lived in Komaki at the 2020 census, 6.1% of residents, above the national figure (1.9%).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many babies are born in Komaki each year?
Komaki recorded 798 births and 1,531 deaths in 2023, a natural decrease of 733. That is 5.4 births and 10.3 deaths per 1,000 residents (national: 5.8 and 12.5). Births are by Japanese nationals registered in the city.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyAre more people moving into or out of Komaki?
In 2024, 6,282 people moved into Komaki from other municipalities and 6,320 moved out, a net loss of 38 (moves within the city and from abroad are not counted).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many marriages are there in Komaki each year?
Komaki registered 553 marriages and 207 divorces by Japanese nationals in 2023, or 3.7 marriages per 1,000 residents.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyWho runs Komaki?
In Japan, cities and towns are run by municipalities: Mayor and municipal assembly both directly elected for four years. Primary and lower secondary schools, welfare, waste, water, residents' registers, disaster response. Large 'designated cities' (20) take on prefectural tasks and are divided into administrative wards whose heads are officials, not elected.
How local power works in Japan
Cities of a similar size in Japan
- Matsusaka 159,145
- Ogaki 158,286
- Hitachinaka 156,581
- Tochigi 155,549
- Ueda 154,055
- Kariya 153,834
- Noda 152,638
- Kawanishi 152,321
- Higashimurayama 151,815
- Imabari 151,672
- Kuki 150,582
- Musashino 150,149
- Sayama 148,699
- Yonago 147,317
- Tama 146,951
- Iruma 145,651
Up a level: all cities in Japan · Japan · government and power
Sources
- Statistics Bureau of Japan, Ministry of Internal Affairs and Communications: Statistical Observations of Municipalities 2026 (social and demographic statistics, city, ward, town and village data), read 28 October 2026 · saved copy (SHA-256 2cb3d8c51aa1…)
- Statistics Bureau of Japan, Ministry of Internal Affairs and Communications: Statistical Observations of Prefectures 2026 (national figures, "All Japan" row), read 28 October 2026 · saved copy (SHA-256 b69774a5f40c…)
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