You can usually vote in UK elections if you move or retire abroad.
Your UK citizenship will not be affected if you move or retire abroad.
If you want to live in an EU country, check the country’s living in guide for information about your rights. You may need a visa.
If you were legally living in an EU country before 1 January 2021, your rights will be protected as long as you carry on living there. This is because you’re covered by the Withdrawal Agreement.
If you want to work in another country, contact their UK-based embassy for more information.