Immigration

Immigration involves the voluntary and nonvoluntary longterm relocation of people across national boundaries. It may be instigated by a variety of factors, including those that push individuals to leave their country of residence and those that pull individuals toward a new home nation. Immigration levels have reached historically unprecedented levels in recent years, often involving movement from less economically developed countries to more highly developed countries. Immigration has a major impact not only on those who relocate but potentially on both the source and target nations.

When individuals leave developing countries to find new opportunities in more economically developed regions of the world, their countries of origin may lose highly skilled personnel. This is known as the “brain drain,” and it may have a major impact ...