A referendum is a vote on a single issue.

Each referendum has different rules on who can vote in it.

To vote in a referendum you must:

  • be registered to vote
  • be 18 or over on the day of the referendum (‘polling day’)
  • be a British, Irish or Commonwealth citizen
  • be resident at an address in the UK or Gibraltar (or a British citizen living abroad who has been registered to vote in the UK in the last 15 years)
  • not be legally excluded from voting

You make one choice between 2 options. Votes are counted for the whole of the UK, not by constituency.