Home Office figures caused speculation that number of Europeans in UK had been underestimated.

Why do so many people talk about a 'hard Brexit' and a 'soft Brexit'? And what do they mean?

If not, and the vote is to exit, it will be no good saying afterwards that “we didn’t understand what we were voting for” – the repeated complaint made by eurosceptics about the 1975 Referendum. By then it will be too late.

Crashing out of the EU would affect UK politics, the economy, security and millions of British and European migrants.