Tosa Population 2026

Tosa has a population of 25,732, making it the #927 biggest city in 🇯🇵 Japan, located in Kochi. It is about 378× smaller than Tokyo, the country's biggest city.

Location of Tosa (capital Tokyo shown for reference). Boundaries: Natural Earth.

Population (city proper)

25,732

Rank in Japan

#927

Coordinates

33.50°N, 133.44°E

~13 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

621 km

386 miles, straight line

Other big cities in Kochi

City	Population	Rank in Japan
Kochi	332,059	#71
Nankoku	46,664	#596
Nakamura	34,559	#743
Shimoda	32,694	#779
Yamashita	32,207	#789
Tosayamadachō-nakano	26,513	#904
Susaki	26,195	#909
Ino	22,155	#1010

Cities near Tosa

Ino22,155 people · ~5 km away
Kochi332,059 people · ~10 km away
Susaki26,195 people · ~19 km away
Nankoku46,664 people · ~20 km away
Tosayamadachō-nakano26,513 people · ~25 km away
Yamashita32,207 people · ~25 km away

FAQ

What is the population of Tosa?

Tosa has a population of 25,732 (city proper, latest official figure via GeoNames), making it the #927 biggest city in Japan.

What region is Tosa in?

Tosa is located in Kochi, Japan.

Is Tosa the capital of Japan?

No, the capital of Japan is Tokyo, about 621 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.

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