Exclusive: crisis has led to 500% increase in Britons taking up citizenship in an EU state

The number of British nationals emigrating to other EU countries has risen by 30% since the Brexit referendum, with half making their decision to leave in the first three months after the vote, research has found.

Analysis of data from the Organisation for Economic Co-operation and Development (OECD) and Eurostat shows that migration from Britain to EU states averaged 56,832 people a year in 2008-15, growing to 73,642 a year in 2016-18.