Annual counts of people listed on electoral registers for the UK and its constituent countries, local government areas and parliamentary constituencies. These figures are based on people registered to vote not people eligible to vote.
As of 2 March 2020, there were 47.6 million Parliamentary electoral registrations in the UK, the highest number ever recorded.
The total number of UK Parliamentary electoral registrations increased by 484,000 (1.0%) between December 2019 and March 2020; this follows an increase of 1.3 million (2.8%) in the year to December 2019.
The number of Parliamentary and local government electoral registrations increased in England, Wales and Scotland but decreased marginally in Northern Ireland.