Was it easier to deport migrants to France before Brexit?

Tim Harford investigates some of the numbers in the news. This week: Lib Dem leader Sir Ed Davey says it was easier to deport illegal migrants to Europe when we were in the EU. Is that true?Did the governor of the Bank of England get his numbers wrong on the UK’s ageing population? Why is the price of beef up by 25% in a year?Is it possible to prove that MPs are using AI to write their speeches? If you’ve seen a number you think we should take a look at, email the team: [email protected]: Tim Harford Reporter: Lizzy McNeill Producers: Nathan Gower and Nicholas Barrett Series producer: Tom Colls Production co-ordinator: Maria Ogundele Sound mix: Gareth Jones Editor: Richard Vadon