United States vs United Kingdom — 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 the United Kingdom — the Union Jack — has a blue field. It features the white-edged red cross of Saint George superimposed on the diagonal red cross of Saint Patrick which is superimposed on the diagonal white cross of Saint Andrew.United Kingdom

United States and United Kingdom side by side: United States is the larger country (9,525,067 km² vs 244,376 km², roughly 39.0× the size), while United States has the bigger population (340.1 million vs 69.3 million). The full comparison table below covers capitals, currencies, languages, dialling codes, timezones and more.

Facts last checked 31 August 2026.

FactUnited StatesUnited Kingdom
CapitalWashington, D.C.London
Population340,110,98869,281,437
Area9,525,067 km²244,376 km²
CurrencyUnited States dollarBritish pound
LanguageEnglishEnglish
Dialling code+1+44
Main timezoneUTC-05:00UTC+00:00
Drives on theRightLeft
RegionNorth AmericaNorthern Europe
Emergency number911999 (or 112)

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United States vs United Kingdom — FAQ

Which is bigger, United States or United Kingdom?

United States is bigger by area: 9,525,067 km² vs 244,376 km², roughly 39.0× the size of United Kingdom.

Is United States bigger than United Kingdom?

Yes — United States covers 9,525,067 km², compared to 244,376 km² for United Kingdom.

Which has more people, United States or United Kingdom?

United States has the larger population: 340,110,988 (340.1 million) vs 69,281,437 (69.3 million).

How does the size of United States compare to United Kingdom?

United States (9,525,067 km²) is about 39.0× larger than United Kingdom (244,376 km²).

Do United States and United Kingdom use the same currency?

No — United States uses the United States dollar and United Kingdom uses the British pound.

Are United States and United Kingdom on the same continent?

No — United States is in North America and United Kingdom is in Europe.

What is the time difference between United States and United Kingdom?

United Kingdom is 5h ahead of United States (UTC-05:00 vs UTC+00:00), not accounting for daylight saving changes.

Do United States and United Kingdom share an official language?

Yes — both share English as an official language.

Do United States and United Kingdom share a border?

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

Which is more densely populated, United States or United Kingdom?

United Kingdom is more densely populated at roughly 284 people per km², compared to 36 for United States.

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