Eurostat

The European Parliament (EP) is one of three legislative branches of the European Union and one of its seven institutions. Together with the Council of the European Union (known as the Council and informally as the Council of Ministers), it adopts European legislation, commonly on the proposal of the European Commission. The Parliament is composed of 705 members (MEPs). It represents the second-largest democratic electorate in the world (after the Parliament of India) and the largest trans-national democratic electorate in the world (375 million eligible voters in 2009).

Since 1979, the Parliament has been directly elected every five years by the citizens of the European Union through universal suffrage. Voter turnout in parliamentary elections decreased each time after 1979 until 2019, when voter turnout increased by eight percentage points, and went above 50% for the first time since 1994.[4] The voting age is 18 in all member states except for Malta and Austria, where it is 16, and Greece, where it is 17.[5]