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Nvidia CEO Jensen Huang says the world faces a severe labour shortage – 50 million workers by the end of the decade.
The boss of the world’s most valuable company thinks humanoid robots will be needed to fill the gap.

But is this prediction based on solid evidence?

Tim Harford looks at the calculations behind the claim with Rajiv Gupta, a technology expert at Boston Consulting Group, who is the likely source of the 50 million figure.

If you’ve seen a number in the news you think we should look at, email the team: moreorless@bbc.co.uk

Presenter: Tim Harford
Producer: Nicholas Barrett
Series producer: Tom Colls
Sound mix: Hal Haines
Editor: Richard Vadon