Migration is becoming increasingly ubiquitous in the current context of globalization. Increased independence between countries, facilitated by technological development, frequency of transactions in goods, services and capital, together with the development of telecommunications and international transport have resulted in rapid increase in the number of people began to see international migration as a way to escape poverty, unemployment and social pressure, economic and political home. International migration is a controversial process, being defined by specialists in different ways. It should also mention that international migration includes, in addition to labor migration and refugee flows, brain drain, asylum seekers and sometimes internally displaced persons are included.