Elections Lord Oakeshott of Seagrove Bay asked Her Majesty's Government: Which are the countries whose citizens are entitled to register and vote in elections to the United Kingdom Parliament. [HL3253] Lord Evans of Temple Guiting The Representation of the People Act 1983 provides that those entitled to register and vote in elections to the United Kingdom Parliament are: British citizens; citizens of Commonwealth countries who are lawfully resident in the UK; and resident citizens of the Republic of Ireland.