In the Guardian today:

If only we had some data on that oh wait of course we do.

Our latest Panelbase poll, fieldwork 15-20 December 2017:

Labour voters are in fact split almost exactly evenly across age groups, while the youth vote is massively SNP, with more than twice Labour’s support. Sorry, grandad.

In fairness, though, we should acknowledge that he’s not entirely wrong about young people supporting genuinely radical policies.

We’re sure he’ll be chuffed.