| Capitale | nom: London coordonnées géographiques: 51 30 N, 0 05 W différence de temps: 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 |
| Fête de l'Indépendance | no official date of independence: 927 (minor English kingdoms unite); 3 Mars 1284 (enactment of the Statute of Rhuddlan uniting England and Wales); 1536 (Act of Union formally incorporates England and Wales); 1 Mai 1707 (Acts of Union formally unite England, Scotland, and Wales as Great Britain); 1 Janvier 1801 (Acts of Union formally unite Great Britain and Ireland as the United Kingdom of Great Britain and Ireland); 6 Decembre 1921 (Anglo-Irish Treaty formalizes partition of Ireland; six counties remain part of the United Kingdom and Northern Ireland); 12 Avril 1927 (Royal and Parliamentary Titles Act establishes current name of the United Kingdom of Great Britain and Northern Ireland) |
| Fête nationale | the UK does not celebrate one particular national holiday |
| Constitution | 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) |
| Suffrage - Age minimum de l'électeur | 18 ans; universal |
| Pouvoir exécutif | chef d'état (Président): Queen ELIZABETH II (depuis 6 February 1952); Heir Apparent Prince CHARLES (son of the queen, born 14 November 1948) chef de gouvernement (1er ministre): Prime Minister Boris JOHNSON (Conservative) (depuis 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) |
Source: CIA World Factbook - Version du décembre 31, 2019
