Migration and free movement are among the top questions in the debate about the UK’s relationship with Europe and the approaching membership referendum. In a country where most migration has traditionally come from outside Europe, EU migration now makes up almost half of non-British immigration to the UK. Following five years of policies designed to reduce immigration, quarterly statistics released at the end of August showed net migration reaching the highest level on record, taking the government ever further from its goal of reducing net flows “from the hundreds of thousands to the tens of thousands.” The combination of renewed debate about EU membership and the difficulty reducing UK immigration have led to discussion about whether leaving the EU will reduce …