Okazaki Population 2026
Okazaki has a population of 384,654, making it the #54 biggest city in 🇯🇵 Japan, located in Aichi. Roughly 0.3% of Japan's population lives here. It is about 25× smaller than Tokyo, the country's biggest city.
Population (city proper)
384,654
Rank in Japan
#54
Coordinates
34.95°N, 137.17°E
~34 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
243 km
151 miles, straight line
Other big cities in Aichi
Cities near Okazaki
FAQ
What is the population of Okazaki?
Okazaki has a population of 384,654 (city proper, latest official figure via GeoNames), making it the #54 biggest city in Japan.
What region is Okazaki in?
Okazaki is located in Aichi, Japan.
Is Okazaki the capital of Japan?
No, the capital of Japan is Tokyo, about 243 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.