Nearly half of British people would vote to leave the European Union, according to a poll asking the official referendum question.
The YouGov poll for The Sun found 43% of people believed the UK should not remain in the EU, while 37% said it should.
People were asked: "Do you think the UK should remain a member of the EU?"16% said they didn't know, while 3% would not vote.
Other findings revealed two thirds of people think Prime Minister David Cameron's stance on Europe was about short-term tactics, while 55% said UKIP leader Nigel Farage campaigns for policies he believes in.
Cameron has pledged to back a Conservative MP's EU referendum bill, as Cable labelled the move potentially 'damaging' for the country.
114 Conservative backbenchers have voted in favour of a eurosceptic motion to amend the Queen's Speech in defiance of the Prime Minister.
David Cameron has denied he has buckled under pressure from his backbench MPs over the EU debate.