• I. Introduction
  • 1. The meaning of the present migrations within the world context
  • 2. Diversity of migratory situations in the EU-15
  • 3. Regulation of immigration in the EU and its repercussion on integration 11
  • II. The importance of immigration in national employment models
  • 1. General comments
  • 2. Immigration and labour market: main tendencies in the EU
  • III. Immigration and the welfare state. the current situation
  • 1. Theoretical approaches
  • 2. A common problem: the increase in dependency rates
  • 3. Questions to bear in mind in the national models
  • 4. The reforms of the welfare states in the EU and the role of immigration 39
  • IV. Conclusions
  • V. Annex