In England you can (and should!) register to vote from age 16 up.
In Scotland and Wales it's from age 14 up, for the Scottish Parliament/Senedd elections.
Presumably England will drop to 14 soon too, as votes at 16 were being promised everywhere by Labour.
#UKPol #ScotPol #WelshPol #EngPol
https://www.gov.uk/register-to-vote