Tim Harford investigates some of the numbers in the news. This week:

Nigel Farage says 6.5 million people are on out-of-work benefits – with some benefits up 80% since 2018. Are those numbers right?

Do French pensioners really earn more than their working-age compatriots?

How is it possible for one kilogram of fish food to produce one kilogram of salmon?

And do we really have five senses?

If you’ve seen a number you think we should take a look at, email the team: [email protected]

Presenter: Tim Harford