United Kingdom

United Kingdom is a parliamentary constitutional monarchy, located in Northern Europe. Christianity is the predominant religion. Its capital is London. About 69.5 million people live there (2025).

Capital

London

Population

69,487,000 (2025)

Region

Europe (Northern Europe)

Area

242,900 km²

Demonym

British

Languages

English

Form of Government

Parliamentary constitutional monarchy

Religion

Christianity (59.5%)
Non-religious (25.7%)
Islam (4.4%)

Currency

British pound (GBP)

GDP

$4.0T (2025)