Plaid Cymru's Leanne Wood has questioned whether the UK should spent 6% of its budget on defence. Has she got her numbers right?
The Green Party says fuel poverty is causing a high number of winter deaths due to people living in the cold. Are they right?
Conservative culture minister Ed Vaizey says 'roughly' the same amount of money is going into the arts as it did under Labour. Is he right?
UKIP leader Nigel Farage has said EU fisheries policies means the UK gives away the majority of its fish. Is he right?
Labour has pledged to get rid of the centuries-old non-dom rule.
Labour claims that 590 fewer GP practices are now open in the evenings and on weekends. Are they right?
David Cameron says there are 9,000 more doctors and 7,000 more nurses than in 2010. He is right?
Nick Clegg has hailed the success of the coalition's policies in closing the gap between richer and poorer students. Is he right?
Labour claims that the bedroom tax has hit over half a million people, two-thirds of them disabled. Has it?
In his budget speech, George Osborne claimed that the north grew faster than the south last year. Is he right?
Vince Cable and the coalition often shout about the success of the apprenticeship drive. Are they right?
Nicola Sturgeon has set out her Scottish National Party's opposition to renewing Britain's nuclear deterrent. Will it cost that much?
Danny Alexander claims that the government's family intervention programme has saved the taxpayer £1.2 billion. Our expert examines the evidence.
Nick Clegg reckons Britain could have gone the way of its struggling European neighbour but for the coalition's cuts. But does the claim stand up?
Green MP Caroline Lucas estimated that introducing market structures to the NHS costs over £10 billion a year – but is this true?
Education secretary Nicky Morgan said free schools push up standards in neighbouring schools and are popular and effective.
UKIP leader Nigel Farage said one new house needs to be built every seven minutes to keep up with immigration. Is he right?
UKIP's Suzanne Evans has said the UK would make big savings if it cut back foreign aid.
We asked two academics to check the prime minister's figures on job creation.
The prime minister's claim that more people died during the Mare Nostrum search and rescue operation is disingenuous.