Voters will continue to vote later for the European Parliament elections .
are seventy-three members, known as MEPs, elected to nine constituencies in England, and one in each of Scotland, Wales and Northern Ireland.
Each region has a different number of representatives based on its population ̵
Polling stations in the UK are open from 07:00 to 22:00 BST.
- How the BBC announced the polls day
- European elections: What you need to know
Results will not be revealed until all EU countries will vote in the next three days – throughout process completed by 22:00 BST on Sunday 26 May.
Voters must be registered to vote, be 18 years old or older than 23 May, be a British, Irish or a qualified Commonwealth citizen or a citizen of an EU country.
They must live in a UK address (or a UK resident who has been registered abroad to vote in the UK for the last 15 years) and not legally
MEPs are elected in the order listed by their parties, based on the total vote share in each region.
In nine regions of English, Wales and Scotland, the number of MEPs is calculated using a form of proportional representation called the D & # 39; Hondt formula, and each voter may choose a party or individual to restore.
The process is slightly different from Northern Ireland, where the Single Transferable Vote (STV) system is used, which allows voters to rank parties standing in the order of preference.
- 2019 Elections in Europe: List of candidates
- How are the MEPs selected?