Scotland and Wales allow 16 and 17 year-olds to vote in local and devolved elections. In England and Northern Ireland, the voting age is currently 18 for all elections.
To vote in English local elections, you must be 18 or over and either a British, Irish, qualifying Commonwealth citizen, or one of a small number of EU citizens with specific rights based on agreements or retained status.
To vote in a UK parliamentary election you must be 18 or over, registered to vote, and be a British citizen, an Irish citizen, or a qualifying Commonwealth citizen who has leave to remain in the UK or does not require it.
A General Election is when people across the UK vote to elect MPs who represent them in the UK Parliament in Westminster.