This book sheds an innovating light on a topic of major scientific as well as practical interest that has seldom been dealt with in a comprehensive way: the relations between EU and non-EU countries and nationals, as far as social security is concerned. These are dealt with in a number of contributions by eminent international experts.

First, the internal co-ordination of the European Union in relation with third country nationals is analysed. The ways the social security systems of the EU Member States are being co-ordinated with those of the Mediterranean emigration countries are examined in a second contribution. The EU-EFTA social security arrangements are explored in a third one. An overview of the complex landscape of the existing bilateral and multilateral social security instruments binding EU states and non-EU states is given in a next one. A fifth contribution deals with the European and international law applicable to the social security of illegal foreign workers.

The contributions were presented at a conference held on 2 April 2009 in Leuven, celebrating the 10th anniversary of the Master of European Social Security.