United States vs United Kingdom

Government structure comparison · Side by side

United States

United Kingdom

Capital

Washington, D.C.

London

Continent

North America

Europe

Population

338.0M

68.8M

GDP

$25676.0B

$3636.0B

Area

9,833,517 km²

243,610 km²

Currency

—

British pounds (GBP) per US dollar -

Government

constitutional federal republic

parliamentary constitutional monarchy; a Commonwealth realm

Head of State

Donald Trump

Charles III

Head of Government

Donald Trump

Keir Starmer