what is migration? classification of migration?
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Answer:
There are two basic types of migration studied by demographers: Internal migration. This refers to a change of residence within national boundaries, such as between states, provinces, cities, or municipalities. ... International migrants are further classified as legal immigrants, illegal immigrants, and refugees.
The relatively permanent movement of people across territorial boundaries is referred to as in-migration
and out-migration, or immigration and emigration when the boundaries crossed are international. The
place of in-migration or immigration is called the receiver population, and the place of out-migration or
emigration is called the sender population. There are two basic types of migration studied by
demographers:
1. Internal migration. This refers to a change of residence within national boundaries, such as between
states, provinces, cities, or municipalities. An internal migrant is someone who moves to a different
administrative territory.
2. International migration. This refers to change of residence over national boundaries. An international
migrant is someone who moves to a different country. International migrants are further classified as legal
immigrants, illegal immigrants, and refugees. Legal immigrants are those who moved with the legal
permission of the receiver nation, illegal immigrants are those who moved without legal permission, and
refugees are those crossed an international boundary to escape persecution