Combination of maps of the United Kingdom showing the % of areas that voted Yes in the EC membership referendum of 1975 and for Remain in the European Union membership referendum, 2016.
This SVG map includes elements  from this map:
Modified version: RaviC1975: MrPenguin20  2016: BrythonesMirrorme22Nilfanion: English and Scottish council areas TUBS: Welsh council areas Sting: Gibraltar