After the outcome of the referendum on Brexit, several analysts were concerned about a potential “domino effect” across other EU member states. However, public opinion data, as we have shown earlier, seem to avoid this risk. In most of the EU countries, UK included, public opinions regained confidence in their country’s national economy and in the EU as well. Nevertheless, our knowledge of which factors drove Britons vote for leaving the EU is still too limited. Analysing the motivations that lie at the basis of Brexit could help us understand citizens’ worries also in other countries.

issues important in deciding the referendum voteIPSOS Mori conducted an accurate seven-wave longitudinal study – started before the 2015 General Election Campaign and concluded after the 2016 referendum on EU membership – that investigated a range of attitudes that could be useful in helping to explain why Britons voted the way they did in the referendum. The first graph displays how British respondents answered to a question asking them which issues were important in deciding how to vote in the referendum on EU membership. Some of these issues are listed according to the share of preferences they obtained in the entire sample of British voters. Among them, we find political economic and socio-cultural aspects. Important differences emerge about which of these issues actually drove the vote of “Remainers” and “Leavers”. The impact of Brexit on Britain’s economy raised concerns in 71% of Remainers but only in 30% of Leavers and the ability of British citizens to live and work in other EU countries had an impact on vote for 44% of Remainers, but only for 3% of Leavers. On the contrary, the number of immigrants coming to Britain and their cost on British welfare were important issues for 68% of Leavers, but only for 14% of Remainers.

explaining the EU referendum voteExamining these issues and other questions included in the survey IPSOS-Mori researchers found the degree of correlation between different groups of variables and how much they affected Britons’ vote. Percentages shown in the second graph give us an indication of how different factors were associated with the vote for “Leave”. The anti-immigration and nativist factor (which is focused on protecting the interests of native-born against those of immigrants) was by far the most powerful explanatory factor (34%). This was followed by distrust in experts (23%) and opposition to political correctness (12%). These results confirmed that cultural and values-related aspects were much more important than a direct sense of being “left behind” in economic terms to explain the decision to vote for Leave in the Brexit referendum.

This infographic is the fourth episode of a series entitled “EU and the UK after Brexit: A domino effect?

Photo Credits CC: Brian Yap (葉) feat. Alexander Damiano Ricci


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