Economy, jobs and prices in Koga, Japan: official figures
Taxable income for municipal resident tax in Koga averaged 3.35 million yen per taxpayer in fiscal 2024, 56th lowest 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.
How much income do people in Koga earn in total?
Residents of Koga had 215.8 billion yen of taxable income in total in fiscal 2024, from 64,407 resident-tax payers (46.2 per 100 residents, above the national figure (45.3)).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many people work in Koga?
At the 2020 census 68,291 residents of Koga were in work and 71,204 were in the labour force (working or seeking work), equal to 49.0 employed people per 100 residents of all ages, above the national figure (45.7).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyWhat is the unemployment rate in Koga?
The unemployment rate in Koga was 4.1% at the 2020 census (2,913 people out of 71,204 in the labour force), 85th highest of 262 cities, above the national figure (3.8%). The census was taken during the Covid-19 pandemic.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyWhat are the main industries in Koga?
By sector, 3.4% of employed residents of Koga worked in primary industries (farming, forestry, fishing), 36.2% in secondary (mining, construction, manufacturing) and 56.6% in tertiary industries (services and the rest) at the 2020 census. Nationally the shares were 3.4%, 23.0% and 70.6%. The three do not add to 100% because some jobs are not classified.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many people are self-employed in Koga?
80.9% of employed residents of Koga were employees (excluding company directors), 7.9% were self-employed business owners and 5.1% were directors, at the 2020 census; nationally 81.4% were employees.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many people commute into Koga?
At the 2020 census 24,112 residents of Koga commuted to work in another municipality and 18,600 people living elsewhere commuted in. The daytime population was 132,261, or 94.9 per 100 night-time residents, 100th lowest of 262 cities.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many businesses are there in Koga?
Koga had 5,686 private-sector business establishments employing 58,498 people in 2021 (government offices are excluded), about 10.3 workers per establishment.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow big is manufacturing in Koga?
Factories in Koga shipped goods worth 1.11 trillion yen in 2023 and employed 18,352 people in manufacturing in 2024.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow much do shops and wholesalers sell in Koga?
Wholesale and retail businesses in Koga sold goods worth 244.5 billion yen in the year covered by the 2021 Economic Census (sales for 2020), across 1,184 commercial establishments employing 8,972 people.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many shops and restaurants are there in Koga?
Koga had 1,033 retail stores and 508 eating and drinking places in 2021, including 17 large retail stores (50+ staff) and 1 department stores or general supermarkets.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow much farmland is there in Koga?
Farmland in Koga covered 47.00 square kilometres in 2024, 38.0% of the total area.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow much waste does Koga recycle?
Koga produced 44,049 tonnes of household and business waste in 2023 and recycled 15.6% of it.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow Koga compares with other cities in Japan
Taxable income per resident-tax payer (fiscal 2024)
Koga ranks 207 of 262, highest first. Municipal resident tax base before deductions, from SSDS items C120110 and C120120
| Rank | City | Taxable income per resident-tax payer |
|---|---|---|
| 204 | Akita | 3,357 thousand yen |
| 205 | Nasushiobara | 3,354 thousand yen |
| 206 | Iwakuni | 3,353 thousand yen |
| 207 | Koga | 3,350 thousand yen |
| 208 | Ueda | 3,346 thousand yen |
| 209 | Onomichi | 3,344 thousand yen |
| 210 | Iwaki | 3,340 thousand yen |
Unemployment rate (2020 census)
Koga ranks 85 of 262, highest first. Unemployed people as a share of the labour force, taken during the Covid-19 pandemic
| Rank | City | Unemployment rate |
|---|---|---|
| 82 | Kakegawa | 4.1% |
| 83 | Takatsuki | 4.1% |
| 84 | Toride | 4.1% |
| 85 | Koga | 4.1% |
| 86 | Matsuyama | 4.1% |
| 87 | Miyazaki | 4.1% |
| 88 | Nobeoka | 4.1% |
Daytime population per 100 residents (2020 census)
Koga ranks 163 of 262, highest first. Above 100 means more people are in the city by day than live there.
| Rank | City | Daytime population per 100 residents |
|---|---|---|
| 160 | Ichihara | 95.1 |
| 161 | Fuchu | 95.1 |
| 162 | Sayama | 95.1 |
| 163 | Koga | 94.9 |
| 164 | Okazaki | 94.9 |
| 165 | Higashiomi | 94.8 |
| 166 | Nara | 94.7 |
More on Koga: overview · health · education and schools · poverty and living standards · government budget · all cities in Japan
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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