Quick facts
Okazaki overview
Okazaki (orange) and the other large cities of Japan
Okazaki lies in Aichi in Japan at 34.95°N, 137.17°E, about 34 m above sea level. The local time zone is Asia/Tokyo (UTC+9); GeoNames classifies it as a district seat.
It is smaller than Miyazaki (401,339) and larger than Ichinomiya (380,073). The largest city in Japan is Tokyo with 9,733,276 people; the capital, Tokyo, has 9,733,276.
The national capital, Tokyo, is about 243 km away; the nearest large city is Anjō, 8 km from Okazaki.
Japan as a whole has a live population of 122,222,547 (-0.6% a year) and ranks #12 of 238 countries — see the Japan population page for the full statistics and the Japan atlas for provinces, terrain and society maps.
Cities near Okazaki
Largest cities in Japan
Frequently asked questions
What is the population of Okazaki?
Okazaki has about 384,654 inhabitants according to the latest official census or estimate compiled by GeoNames. This is the city proper; the metropolitan area is larger.
Is Okazaki the capital of Japan?
No. The capital of Japan is Tokyo (9,733,276 people), about 243 km away. Okazaki is the 39th largest city of the country and a district seat.
How big is Okazaki compared with the rest of Japan?
Its 384,654 residents are 0.3% of the 122,222,547 people living in Japan today. Tokyo is larger with 9,733,276 people.
Where is Okazaki?
In Aichi, Japan, at latitude 34.95 and longitude 137.17, 34 m above sea level. Nearby large cities include Anjō (8 km), Nishio (14 km), Toyota (15 km).
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Cite or link to this page
Glostats. (2026). Okazaki Population 2026 — Japan. Retrieved October 20, 2026, from https://glostats.com/cities/japan/okazaki/<a href="https://glostats.com/cities/japan/okazaki/">Okazaki Population 2026 — Japan</a> — GlostatsFigures on this page may be quoted, charted or republished as long as the page is credited with a link. Terms · Download the data as CSV · Embed a live counter.
City populations are GeoNames figures (CC BY 4.0): the latest official census or estimate for the city proper — the municipality, not the wider metropolitan area — so they can differ from "metro area" numbers you see elsewhere. Country populations are live Glostats estimates from the UN World Population Prospects. Distances are great-circle distances between city centres. Page generated 2026-10-20. More about our data.