Rules on Parliamentary Immunity in the European Parliament and Member States of the European Union outlines the very topical debate on the privileges that should be afforded to those elected to office, and details the arrangements that exist for parliamentarians in parliaments across the EU Member States and in the European Parliament. Its priority, as with the other studies in this series, is to provide an easy to consult and accessible introduction for both public service practitioners and members of the public on the predominant issues in parliamentary activity. It is often the case that basic yet essential information on the workings of parliaments is diffuse and difficult to track down. This ECPRD paper brings together such information, allowing the reader to become knowledgeable about the mechanisms in place on the subject of parliamentary immunity across the EU.