Tosu Population 2026
Tosu has a population of 74,196, making it the #377 biggest city in 🇯🇵 Japan, located in Saga. Roughly 0.1% of Japan's population lives here. It is about 131× smaller than Tokyo, the country's biggest city.
Population (city proper)
74,196
Rank in Japan
#377
Coordinates
33.37°N, 130.52°E
~17 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
879 km
546 miles, straight line
Other big cities in Saga
| City | Population | Rank in Japan |
|---|---|---|
| Saga | 233,301 | #107 |
| Karatsu | 117,663 | #230 |
| Imarichō-kō | 57,940 | #486 |
| Takeo | 47,914 | #582 |
| Ogi | 43,952 | #620 |
| Kanzakimachi-kanzaki | 31,022 | #815 |
| Kashima | 30,159 | #836 |
| Ureshinomachi-shimojuku | 25,848 | #922 |
Cities near Tosu
FAQ
What is the population of Tosu?
Tosu has a population of 74,196 (city proper, latest official figure via GeoNames), making it the #377 biggest city in Japan.
What region is Tosu in?
Tosu is located in Saga, Japan.
Is Tosu the capital of Japan?
No, the capital of Japan is Tokyo, about 879 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.