Sakai-nakajima Population 2026
Sakai-nakajima has a population of 31,268, making it the #807 biggest city in 🇯🇵 Japan, located in Gunma. It is about 311× smaller than Tokyo, the country's biggest city.
Population (city proper)
31,268
Rank in Japan
#807
Coordinates
36.27°N, 139.25°E
~43 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
75 km
47 miles, straight line
Other big cities in Gunma
Cities near Sakai-nakajima
FAQ
What is the population of Sakai-nakajima?
Sakai-nakajima has a population of 31,268 (city proper, latest official figure via GeoNames), making it the #807 biggest city in Japan.
What region is Sakai-nakajima in?
Sakai-nakajima is located in Gunma, Japan.
Is Sakai-nakajima the capital of Japan?
No, the capital of Japan is Tokyo, about 75 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.