In the aftermath of the Brexit referendum 2016, there was much speculation about a domino effect. Some argued that other member countries would follow the British example. The following chart shows how many of the decided voters would vote for remain in a leave-remain European Union membership referendum. The map is updated live with the latest single poll published on the topic.
Deltapoll poll in October 2019 for the United Kingdom
Kantar poll in September 2019 for the Netherlands, Germany, Poland, Spain, France, and Ireland.
Sozialwissenschaftlichen Studiengesellschaft poll in September 2019 for Austria.
YouGov in May 2019 for Denmark, Finland, and Sweden.
Kantar poll in February and March 2019 for Belgium. Bulgaria, Croatia, Cyprus, Czechia, Estonia, Greece, Hungary, Latvia, Lithuania, Luxembourg, Malta, Portugal, Romania, Slovakia, and Slovenia.
Soon we will publish a similar map for the eurozone membership approvals in the different EU member states here. Stay tuned!