Nine million people are being warned that they must take action in the next 24 hours or they will miss the chance to vote in the May 6 elections.
On the same day, 145 municipal council elections, 13 mayoral votes and a by-election take place.
There are elections for Senedd Cymru in Wales and the Scottish Parliament, as well as elections for police and crime commissioners.
The deadline for voting is Monday, April 19th at midnight. 17% of the respondents have not yet done this.
Election Commission Political Director Craig Westwood said, “It only takes five minutes – the time it takes to boil a kettle.” Reports The mirror.
In England you can register to vote on the Government website here.
Outside of England, see the for details Election Commission website here.
You need your social security number, your name and your address details.