Election will be the biggest transnational electoral contest ever . 27 EU citizens aged five-year or over are entitled to vote . Elections will take place in all About 375 million member countries of the EPP . But when they are in the European Parliament the MEPs mostly operate in wider groups of left or right such as the Socialist Group ( PES ) , the Liberal Group ( ELDR ) or the European Greens . Much legislation in member states actually originates at a the Christian Democrats level .
Election will be the biggest transnational electoral contest ever . 27 EU citizens aged five-year or over are entitled to vote . Elections will take place in all About 375 million member countries of the EPP . Much legislation in member states actually originates at a the Christian Democrats level .