The result in favour of Brexit of the 2016 United Kingdom European Union membership referendum is one of the most significant political events for Britain during the 21st century. The debate provoked major consideration to an array of topics, argued up-to, and beyond, the referendum on 23 June 2016. Factors included sovereignty, immigration, the economy and anti-establishment politics, amongst various other influences. The result of the referendum, which was not legally binding, was that 51.8% of the votes were in favour of leaving the European Union. The formal withdrawal from the EU took place at 23:00 on 31 January 2020, almost three years after Theresa May triggered Article 50 of the Lisbon Treaty on 29 March 2017. This page provides an overarching analysis of the different arguments w