| Capitale | nome: London coordinate geografiche: 51 30 N, 0 05 W differenza di tempo: UTC 0 (5 hours ahead of Washington, DC, during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October note: applies to the United Kingdom proper, not to its crown dependencies or overseas territories |
| Indipendenza | no official date of independence: 927 (minor English kingdoms unite); 3 Marzo 1284 (enactment of the Statute of Rhuddlan uniting England and Wales); 1536 (Act of Union formally incorporates England and Wales); 1 Maggio 1707 (Acts of Union formally unite England, Scotland, and Wales as Great Britain); 1 Gennaio 1801 (Acts of Union formally unite Great Britain and Ireland as the United Kingdom of Great Britain and Ireland); 6 Dicembre 1921 (Anglo-Irish Treaty formalizes partition of Ireland; six counties remain part of the United Kingdom and Northern Ireland); 12 Aprile 1927 (Royal and Parliamentary Titles Act establishes current name of the United Kingdom of Great Britain and Northern Ireland) |
| Festa nazionale | the UK does not celebrate one particular national holiday |
| Costituzione | history: unwritten; partly statutes, partly common law and practice amendments: proposed as a bill for an Act of Parliament by the government, by the House of Commons, or by the House of Lords; passage requires agreement by both houses and by the monarch (Royal Assent); note - additions include the Human Rights Act of 1998, the Constitutional Reform and Governance Act 2010, the Parliamentary Voting System and Constituencies Act 2011, the Fixed-term Parliaments Act 2011, and the House of Lords (Expulsion and Suspension) Act 2015 (2016) |
| Suffragio | 18 anni; universal |
| Ramo esecutivo | capo dello stato: Queen ELIZABETH II (da allora 6 February 1952); Heir Apparent Prince CHARLES (son of the queen, born 14 November 1948) capo di governo: Prime Minister Boris JOHNSON (Conservative) (da allora 24 July 2019); note - Prime Minister Theresa MAY announced her resignation to be effective after the election of a new Conservative Party leader in July cabinet: Cabinet appointed by the prime minister elections/appointments: the monarchy is hereditary; following legislative elections, the leader of the majority party or majority coalition usually becomes the prime minister; election last held on 8 June 2017 (next to be held by 5 May 2022) note: in addition to serving as the UK head of state, the British sovereign is the constitutional monarch for 15 additional Commonwealth countries (these 16 states are each referred to as a Commonwealth realm) |
Fonte: CIA World Factbook - Aggiornato a partire da dicembre 31, 2019
