Boris, David and Vince preferred as next party leaders
BMG Researchfound that 28% of voters said they would be more likely to vote Conservative if Mr Johnson was the leader, while 21.1% said the same of Mr Miliband and Labour.
Dr Cable was favoured by 16.6% of voters - although worryingly for Liberal Democrats over 60% of respondents said there was no way they would consider voting for the party, regardless of who is leader.
Boris Johnson refuses to pay tax bill demanded by US authorities
David Miliband 'passionately' wants brother Ed as prime minister