Issues in the 2016 United Kingdom European Union membership referendum

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Background European Communities Act 1975 EC membership referendum UK rebate Bruges speech No. No. No. Maastricht Rebels Black Wednesday European Union (Amendment) Act 2008 European Union Act 2011 UK opt-outs from EU legislation Euroscepticism in the UK UK opinion polling on EU membership Campaigns for a referendum People's Pledge Labour for a Referendum Bloomberg speech In or Out 2013–14 EU (Referendum) Bill (unsuccessful) 2014 European Parliament election 2014 UK Parliament by-elections Clacton Heywood and Middleton Rochester and Strood 2015 UK general election 2015–16 EU membership renegotiation
2016 EU referendum EU Referendum Act (Gibraltar) EU Referendum (Date of Referendum etc.) Regulations EU Referendum (Conduct) Regulations Issues Endorsements Opinion polling UK Government pro-EU leaflet Campaigns Leave campaigns Vote Leave (official) Business for Britain Conservatives for Britain BeLeave Leave.EU Bpoplive The Freedom Association Better Off Out Grassroots Out Labour Leave Get Britain Out Bruges Group Campaign for an Independent Britain Brexit: The Movie Remain campaigns Britain Stronger in Europe (official) Labour In for Britain European Movement UK Britain in Europe British Influence Business for New Europe Nucleus Project Fear Outcome Results Causes for result International reactions Immediate aftermath 2016 Conservative Party election 2016 Labour Party election 2016 UKIP election Department for Exiting the EU Department for International Trade Allegations of unlawful campaigning Alleged Russian interference
Notice of withdrawal Article 50 process Miller case (Article 50) EU (Notification of Withdrawal) Act 2017 Brexit plan Repeal Bill plan 2017 UK general election
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Legislation Withdrawal Act 2018 (Gibraltar) Nuclear Safeguards Act 2018 Cooper–Letwin Act Benn Act 2019 suspension of rebel Conservative MPs Public Vote Bill (not passed) Terms of Withdrawal Bills (not passed) Scottish EU Continuity Bill (blocked) Withdrawal Agreement Act (Gibraltar) Scottish EU Continuity Act Internal Market Act EU (Future Relationship) Act Retained EU Law (Revocation and Reform) Bill
Impact Impact on the Irish border Good Friday Agreement Impact on the EU Economic effects Effects on Gibraltar Scientific cooperation Retained EU law 2021 Jersey dispute
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Opposition Post-referendum opinion polling New initiatives Change Britain More United Open Britain The New European Unite to Remain Led By Donkeys Revoke Article 50 petition Postcards from the 48% Proposed second Scottish independence referendum Calls for a second referendum People's Vote Britain for Europe European Movement UK For our Future's Sake Healthier IN the EU InFacts Open Britain Our Future Our Choice Scientists for EU Other organisations Best for Britain Bollocks to Brexit Change UK Liberal Democrats Right to Vote
Timeline Bloomberg speech Jan 2013 Referendum Bill blocked Jan 2014 European Parliament election May 2014 2015 general election May 2015 Renegotiation begins Jun 2015 Referendum Act passed Dec 2015 Renegotiation concluded Feb 2016 Referendum held Jun 2016 David Cameron resigns as PM Jul 2016 Theresa May becomes PM Jul 2016 Article 50 judgement Jan 2017 Brexit plan presented Feb 2017 Notification Act passed Mar 2017 Article 50 invoked Mar 2017 Repeal Bill plan presented Mar 2017 2017 general election Jun 2017 Brexit negotiations begin Jun 2017 Withdrawal Act passed Jun 2018 Chequers plan presented Jul 2018 Withdrawal agreement plan presented July 2018 Withdrawal agreement released Nov 2018 Scottish Continuity Bill blocked Dec 2018 Meaningful votes Jan–Mar 2019 Brexit delayed until 12 April Mar 2019 Cooper–Letwin Act passed Apr 2019 Brexit delayed until 31 October Apr 2019 European Parliament election May 2019 Theresa May resigns as PM Jul 2019 Boris Johnson becomes PM Jul 2019 Prorogation and annulment Aug–Sep 2019 Benn Act passed Sep 2019 Withdrawal agreement revised Oct 2019 Brexit delayed until 31 January Oct 2019 2019 general election Dec 2019 Agreement Act passed Jan 2020 UK leaves the European Union Jan 2020 Implementation period begins Jan 2020 UK–EU trade deal agreed Dec 2020 Future Relationship Act passed Dec 2020 Scottish Continuity Act passed Dec 2020 Implementation period ends Dec 2020 New EU–UK relationship begins Jan 2021 UK–EU trade deal ratified Apr 2021 Windsor Framework released Feb 2023 Windsor framework adopted Mar 2023
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Issues in the United Kingdom European Union membership referendum, 2016 are the economic, human and political issues that were discussed during the campaign about the withdrawal of the United Kingdom from the European Union, during the period leading up to the Brexit referendum of 23 June 2016. [Issues that have arisen since then are outside the scope of this article].

According to a poll by Ipsos MORI released on 18 May, issues identified by voters as being very important to them in deciding which way to vote were headed by the impact on Britain's economy (33%), the number of immigrants coming to Britain (28%), and Britain's ability to make its own laws (15%).^[1]

Issues identified as important by voters who said they were likely to vote leave were headed by the number of immigrants coming into Britain (49%), Britain's ability to make its own laws (30%), the impact on Britain's economy (25%), the cost of EU immigration on Britain's welfare system (16%), impact on public services/housing (11%), the number of refugees coming to Britain to claim asylum (10%), Britain's ability to trade with countries in the European Union (9%), cost of EU membership fees (9%), regulations by the European Union on British businesses (8%), the impact on British jobs (7%), and Britain's status in the world (7%).^[1]

Issues that had been identified as important by voters who were likely to vote remain included the impact on Britain's economy (40%), the number of immigrants coming into Britain (15%), Britain's ability to trade with countries in the European Union (12%), the impact on British jobs (11%), the impact on the rights of British workers (10%), Britain's relationship with other countries (7%), the impact on British national security (7%), the ability to travel in the European Union (7%), the ability of British citizens to live and work in other European countries (6%), and Britain's status in the world (6%).^[1] Other issues were identified by 5% of respondents or less.^[1] This collection of issues is broadly in line with the findings of other surveys published during the campaign.^[2][3]