United States vs United Kingdom — Country Comparison
United States
United KingdomUnited 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 9 October 2026.
| Fact | United States | United Kingdom |
|---|---|---|
| Capital | Washington, D.C. | London |
| Population | 340,110,988 | 69,281,437 |
| Area | 9,525,067 km² | 244,376 km² |
| Currency | United States dollar | British pound |
| Language | English | English |
| Dialling code | +1 | +44 |
| Main timezone | UTC-05:00 | UTC |
| Drives on the | Right | Left |
| Region | North America | Northern Europe |
| Emergency number | 911 | 999 (or 112) |
Key differences: United States vs United Kingdom
- United States has about 4.9 times the population of United Kingdom.
- United States is about 39.0 times larger by area.
- United Kingdom is the more densely populated of the two.
- They use different currencies: USD and GBP.
- They share English as an official language.
- They do not share a land border.
- Their geographic centres are about 6,980 km apart.
- United Kingdom is 5 hours ahead of United States (UTC-05:00 vs UTC), not accounting for daylight saving changes.
Want the full picture for each country? See United States and United Kingdom, or compare their population pages: United States · United Kingdom.
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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 5 hours ahead of United States (UTC-05:00 vs UTC), 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.
How far is United States from United Kingdom?
The distance between the geographic centres of United States and United Kingdom is roughly 6,980 km (4,340 miles) in a straight line. Actual travel distances between cities will differ.
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