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The process of European integration has created a unique transnational space without internal borders. Citizens of the European Union are currently free to move to any of the 28member states in search of work, education and career opportunities, for family reasons, or to broaden cultural horizons (Recchi 2005; Favell 2008a). Free movement has been at the core of the European integration project from the early days, although it was originally intended only for the economically active population (Baldoni 2003). After the signing of the Maastricht Treaty in 1992, which formally introduced the legal concept of a common European citizenship, the right to work and live in any member state was recognized for all EU citizens, irrespective of whether they were economically active or not. As an area currently comprising 28 countries with more than 500 million inhabitants, the European Union can be regarded as an exceptional research laboratory on legal and unrestricted transnational migration (Koikkalainen 2011). However, both research and public debate on migration in Europe have primarily focused on international migration from outside the EU, and less attention has been devoted to intraEuropean migration. A borderless Europe facilitates the transnationalization of the lives of European citizens. The ease of moving back and forth across countries has fostered permanent settlement as well as temporary, circular and onward migration, changing the

Demographic Issues of Intra-European Migration: Destinations, Family and Settlement