Brexit in the United Kingdom
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| Brexit in the United Kingdom | |
|---|---|
| Name | United Kingdom |
| Established | 1 January 1801 |
| Capital | London |
| Largest city | London |
| Official languages | English language |
| Area km2 | 242495 |
| Population estimate | 67 million |
Brexit in the United Kingdom Brexit in the United Kingdom refers to the process by which the United Kingdom withdrew from the European Union after a 2016 referendum, triggering a cascade of political, legal, economic and social changes across the United Kingdom and its constituent nations, including England, Scotland, Wales and Northern Ireland. The decision reshaped relationships among international organisations, influenced party politics within the Conservative Party (UK), Labour Party (UK), and smaller parties such as the Liberal Democrats (UK), Scottish National Party and Democratic Unionist Party. The process involved negotiations with EU institutions including the European Commission and the European Council, culminating in the Withdrawal Agreement and subsequent arrangements with states such as the Republic of Ireland and actors like the Irish Republican Army-linked politics and the Good Friday Agreement context.
Background and lead-up to the referendum
Debate about UK membership in the European Economic Community and later the European Union dates to the premiership of Harold Macmillan and accession under Edward Heath during dealings with figures like Jean Monnet and institutions such as the Council of the European Union. Eurosceptic currents grew through interactions with the World Trade Organization, reactions to rulings from the European Court of Justice, and campaigns by politicians including Margaret Thatcher, Nigel Farage, Michael Gove, Boris Johnson, and activists associated with groups like UK Independence Party and think-tanks such as the Adam Smith Institute and Institute of Economic Affairs. Debates were shaped by events including the Maastricht Treaty, the Lisbon Treaty, the Eurozone crisis, and the enlargement rounds involving Poland, Romania and Bulgaria, with media outlets like The Daily Telegraph and The Guardian amplifying competing narratives.
The 2016 referendum and result
Prime Minister David Cameron called a referendum on EU membership after promises made during the 2015 United Kingdom general election and following deals with leaders such as Jean-Claude Juncker and Angela Merkel. The referendum campaign featured lead campaigns Vote Leave and Britain Stronger in Europe with prominent figures including Gisela Stuart, John Major, Tony Blair, Boris Johnson, and Michael Heseltine. High-profile incidents involving personalities like George Osborne, Nigel Farage, Priti Patel and organisations including Cambridge Analytica and reports about claims tied to Immigration and the European Convention on Human Rights influenced public debate. The result—a majority for leave—prompted immediate political change, including David Cameron's resignation and the elevation of Theresa May as Prime Minister in the context of party leadership contests and caucus management within the House of Commons.
Political and constitutional consequences
The vote accelerated constitutional tensions among Scottish National Party leaders such as Nicola Sturgeon, prompting calls for a second Scottish independence referendum and legal questions involving the Supreme Court of the United Kingdom and devolution settlements with the Scottish Parliament, Senedd and the Northern Ireland Assembly. Party realignments affected figures including Jeremy Corbyn, Keir Starmer, Iain Duncan Smith, and led to splits and boundary considerations in the European Parliament constituencies represented by MEPs like Daniel Hannan. The decision interacted with the Good Friday Agreement arrangements, disputes over the Irish border, and constitutional doctrines tested in litigation such as the case brought by Gina Miller against the Secretary of State for Exiting the European Union.
Negotiations and the Withdrawal Agreement
Negotiations between the United Kingdom and the European Union were conducted by UK Negotiators under Prime Ministers Theresa May and Boris Johnson and EU figures including Michel Barnier and Donald Tusk. Key dossiers included citizens' rights involving residents from Poland, Romania, France, and Germany, financial settlement issues dubbed the "divorce bill", and provisions relating to the Northern Ireland backstop which engaged parties such as the Democratic Unionist Party. The resulting Withdrawal Agreement and Political Declaration outlined exit terms, transitional arrangements, and frameworks for future UK–EU relations, reflecting precedents from treaties like the Treaty of Lisbon and negotiations involving states such as Norway and Switzerland as comparators.
Economic and social impacts
Economic forecasts and post-referendum outcomes involved institutions such as the Bank of England, the International Monetary Fund, and the Organisation for Economic Co-operation and Development. Currency markets reacted with movements in the British pound sterling against currencies like the Euro and the United States dollar, affecting sectors including finance in the City of London, manufacturing in regions such as The Midlands and North West England, and agriculture tied to trade with France, Germany and Spain. Social effects touched migration patterns from countries like Poland and Lithuania, educational exchanges under Erasmus+ and research cooperation with the European Research Council and Horizon 2020, and legal adjustments involving instruments such as the European Arrest Warrant and directives from the European Court of Justice.
Implementation, transition and post‑Brexit relationship with the EU
A transition period implemented parts of the Withdrawal Agreement while the United Kingdom and the European Union negotiated a future relationship culminating in the Trade and Cooperation Agreement. Implementation involved customs arrangements, regulatory divergence, and border measures affecting crossings between Northern Ireland and the Republic of Ireland, administered with input from agencies like HM Revenue and Customs and monitored against standards discussed by bodies including the World Health Organization and World Trade Organization. Subsequent developments included bilateral dialogues with United States administrations, trade talks with countries such as Australia and Japan, and domestic legislative changes enacted through instruments like the European Union (Withdrawal) Act 2018.
Public opinion, protests and ongoing debate
Public opinion shifted over time as measured in polls by organisations like YouGov and Ipsos MORI, with demonstrations organised by groups such as Stand Up to Racism and campaigning by alliances including Best for Britain and Open Britain. High-profile protests and legal challenges involved activists, trade unions like the Trades Union Congress, and civic groups in cities including London, Manchester and Edinburgh. Ongoing debate continues within parliaments—House of Commons, House of Lords—and among political actors such as Rishi Sunak, Liz Truss, and commentators from outlets like BBC News and Sky News, keeping the subject a persistent feature of British politics and international relations.