United States vs Japan — Country Comparison

The flag of the United States of America is composed of thirteen equal horizontal bands of red alternating with white. A blue rectangle, bearing fifty small five-pointed white stars arranged in nine rows where rows of six stars alternate with rows of five stars, is superimposed in the canton.United States VS The flag of Japan features a crimson-red circle at the center of a white field.Japan

United States and Japan side by side: United States is the larger country (9,525,067 km² vs 377,930 km², roughly 25.2× the size), while United States has the bigger population (340.1 million vs 123.2 million). The full comparison table below covers capitals, currencies, languages, dialling codes, timezones and more.

Facts last checked 31 August 2026.

FactUnited StatesJapan
CapitalWashington, D.C.Tokyo
Population340,110,988123,210,000
Area9,525,067 km²377,930 km²
CurrencyUnited States dollarJapanese yen
LanguageEnglishJapanese
Dialling code+1+81
Main timezoneUTC-05:00UTC+09:00
Drives on theRightLeft
RegionNorth AmericaEastern Asia
Emergency number911110 (police) / 119 (fire & ambulance)

Visiting United States or Japan?

As an Amazon Associate we earn from qualifying purchases. We are also a member of the CJ Affiliate and AWIN affiliate networks. Links below are affiliate links.

AMAZON

United States Travel Guide
Plan a trip to United States.

Check Price →
AMAZON

Japan Travel Guide
Plan a trip to Japan.

Check Price →
AMAZON

Scratch Off World Map
Mark off United States, Japan and everywhere else you have been.

Check Price →

United States vs Japan — FAQ

Which is bigger, United States or Japan?

United States is bigger by area: 9,525,067 km² vs 377,930 km², roughly 25.2× the size of Japan.

Is United States bigger than Japan?

Yes — United States covers 9,525,067 km², compared to 377,930 km² for Japan.

Which has more people, United States or Japan?

United States has the larger population: 340,110,988 (340.1 million) vs 123,210,000 (123.2 million).

How does the size of United States compare to Japan?

United States (9,525,067 km²) is about 25.2× larger than Japan (377,930 km²).

Do United States and Japan use the same currency?

No — United States uses the United States dollar and Japan uses the Japanese yen.

Are United States and Japan on the same continent?

No — United States is in North America and Japan is in Asia.

What is the time difference between United States and Japan?

Japan is 14h ahead of United States (UTC-05:00 vs UTC+09:00), not accounting for daylight saving changes.

Do United States and Japan share an official language?

No — United States and Japan do not share an official language.

Do United States and Japan share a border?

No — United States and Japan do not share a land border.

Which is more densely populated, United States or Japan?

Japan is more densely populated at roughly 326 people per km², compared to 36 for United States.

More comparisons

This page contains affiliate links. We may earn a small commission if you purchase through our links, at no extra cost to you. Learn more.

Last updated: