Do you know how to swim?

Its harder to remember not swimming to be honest. School swimming lessons, beach holidays, leisure centres, holidays abroad etc. I actually used to swim competetively (for my age bracket in my teenage years) for a local team. Went on to do lots of scuba diving and was a pool lifeguard for a bit

I think not swimming here is pretty rare, I want to say that maybe 10 or 15% of my year were classed as "non-swimmers" and had lessons separately to the rest.