Organisation and rules 

The European Parliament is a large political arena and a multi-faceted institution, involving many people and with elaborate rules of procedure. Find out how this operates.


Learn about the role and functions of the Parliament’s president, political groups, committees, delegations, various political bodies and informal MEP groupings.

How Plenary works 

Plenary sessions are the culmination of Parliament’s political activities, where MEPs adopt legislation and hold debates. Find out how the sittings are conducted.

Parliament’s budget 

Learn about the costs related to the functioning of the European Parliament.


Parliament uses all the EU’s 24 official languages in its everyday activities. Read what this means in practice.


The work of MEPs is supported by an administration that provides technical and expert assistance. Find out more.

Ecological footprint 

Parliament is committed to continuously improving its own carbon footprint and managing its resources sustainably. Find out more about its Environmental Management System.