This book describes programs for the admission and employment of guest workers in fourteen selected countries, the European Union, the Association Agreement between the European Union and Turkey, and the Multilateral Framework of the International Labour Organization. It includes a comparative analysis and individual sections on each country, the EU, and relevant international arrangements. The book provides a general overview of a variety of immigration systems, and addresses issues such as eligibility criteria for the admission of guest workers and their families, guest workers' recruitment and sponsorship, and visa conditions.