Nishio Population 2026
Nishio has a population of 169,984, making it the #148 biggest city in 🇯🇵 Japan, located in Aichi. Roughly 0.1% of Japan's population lives here. It is about 57× smaller than Tokyo, the country's biggest city.
Population (city proper)
169,984
Rank in Japan
#148
Coordinates
34.87°N, 137.05°E
~9 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
257 km
160 miles, straight line
Other big cities in Aichi
Cities near Nishio
FAQ
What is the population of Nishio?
Nishio has a population of 169,984 (city proper, latest official figure via GeoNames), making it the #148 biggest city in Japan.
What region is Nishio in?
Nishio is located in Aichi, Japan.
Is Nishio the capital of Japan?
No, the capital of Japan is Tokyo, about 257 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.