The changes of populations are determined by fertility, mortality and migration. On the national level, international migration is a factor of increasing demographic, economic, social and political importance. This book addresses the debate on the impact of international migration and economic activity on population and labour force resources in future. It presents a study conducted for 27 European countries, looking 50 years ahead (2002-2052). An extended discussion of theories and factors underlying the assumed evolution of the components of change and economic activity is included as...