Immigration is key issue with EU referendum voters, according to Google

Google Trends data shows number of economy-related searches come only third behind immigration and NHS

"It's the economy, stupid." Actually, in the EU referendum debate the long-held political truism doesn't appear to ring true.

Google has been analysing the internet searches people have been carrying out around Brexit for the level of interest in various referendum issues. And while the economy still ranks highly among the issues exercising potential voters, the data indicates what many have realised already realised anecdotally: immigration is now the prevailing issue.