Quick facts
Yokosuka overview
Yokosuka (orange) and the other large cities of Japan
Yokosuka lies in Kanagawa in Japan at 35.28°N, 139.67°E, about 9 m above sea level. The local time zone is Asia/Tokyo (UTC+9); GeoNames classifies it as a district seat.
It is smaller than Toyama (415,844) and larger than Nagasaki (409,118). 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 45 km away; the nearest large city is Kamakura, 11 km from Yokosuka.
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 Yokosuka
Largest cities in Japan
Frequently asked questions
What is the population of Yokosuka?
Yokosuka has about 409,478 inhabitants according to the latest official census or estimate compiled by GeoNames. This is the city proper; the metropolitan area is larger.
Is Yokosuka the capital of Japan?
No. The capital of Japan is Tokyo (9,733,276 people), about 45 km away. Yokosuka is the 35th largest city of the country and a district seat.
How big is Yokosuka compared with the rest of Japan?
Its 409,478 residents are 0.3% of the 122,222,547 people living in Japan today. Tokyo is larger with 9,733,276 people.
Where is Yokosuka?
In Kanagawa, Japan, at latitude 35.28 and longitude 139.67, 9 m above sea level. Nearby large cities include Kamakura (11 km), Yokohama (17 km), Fujisawa (19 km).
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Cite or link to this page
Glostats. (2026). Yokosuka Population 2026 — Japan. Retrieved October 20, 2026, from https://glostats.com/cities/japan/yokosuka/<a href="https://glostats.com/cities/japan/yokosuka/">Yokosuka 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.