What is 2016 United Kingdom European Union membership referendum?
{{Use dmy dates|date=October 2024}} {{Infobox referendum | name = United Kingdom European Union membership referendum | title = {{box|type=transparent|Should the United Kingdom remain a member of the European Union or leave the European Union?{{efn|{{lang-cy|A ddylai'r Deyrnas Unedig aros yn aelod o’r Undeb Ewropeaidd neu adael yr Undeb Ewropeaidd?}}}}}} | location = United Kingdom (pop. [[Demography of the United Kingdom#Vital statistics (1938–2017)|65.65m]])<ref>{{cite web|url=https://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/populationestimates/timeseries/ukpop/pop|title=United Kingdom population mid-year estimate|publisher=Office for National Statistics (ONS)|date=26 June 2019|access-date=24 December 2019}}</ref> and [[Gibraltar]] (pop. 34,000)<ref>{{cite web|url=https://data.worldbank.org/indicator/SP.POP.TOTL?end=2018&locations=GI&start=1960|title = Population, total – Gibraltar|publisher=World Bank|access-date=23 December 2019}}</ref> | date = 23 June 2016 | yes_text = Leave | no_text = Remain | yes = 17410742 | no = 16141241 | total = 33577342 | electorate = 46500001 | map = [[File:United Kingdom EU referendum 2016 area results.svg|border|center|250px]] | mapdivision = voting area | notes = On the map, the darker shades for a colour indicate a larger majority. The results for Northern Ireland are by parliamentary constituency. The electorate of 46.5m represents 70.8% of the population. | legend_yes = #0069b5 | legend_no = #ffc010 | outcome = [[Brexit|The UK votes to leave the European Union]] }} [[File:House baring 'vote remain' banner, Main Street, Kirk Deighton (22nd June 2016).jpg|thumb|right|350px|'Vote remain' banner in [[Kirk Deighton]], [[North Yorkshire]].]] The '''United Kingdom European Union membership referendum''' took place on 23 June 2016 in the UK and [[Gibraltar]]. It was to decide whether the [[United Kingdom]] would stay in the [[European Union]] (EU). The [[referendum]] ended with 51.9%