The disadvantage of migration to the losing countries is that People of working age are leaving and the country's workforce is shrinking.
migration is defined as the movement of a person over a distance (or from at least one "region defining movement" to another) and from one "habitual residence" to another.
Migration refers to the movement of an organism or group of organisms from their natural habitat to another location at some point each year. Organisms move from one place to another to avoid inhabitable climatic conditions or to reproduce.
Human migration is the movement of people from one part of the world to another. Human migration patterns reflect changing world conditions and shape the cultural landscape of both where people leave and where they settle.
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