When did the United Kingdom leave the European Union?

31 December: The information on this page has been updated on the basis of the agreement on the new partnership between the European Union and the United Kingdom. The Dutch government is currently analysing the agreement in more detail. This means that the information on this website may change in the period ahead.

The UK left the EU on 31 January 2020. The transition period that was in place – during which nothing changed – ended on 31 December 2020.  The rules governing the new relationship between the EU and UK took effect on 1 January 2021.