The act of emigrating; removal from one country or state to another, for the purpose of residence, as from Europe to America, or, in America, from the Atlantic States to the Western.

ex(out of)-migration; leaving one's native country to settle abroad.

To move to another country to live

The migration of people out of a country.

The movement of individuals out of a population. The individuals that leave remove their alleles from the gene pool of that population.

The movement of people out of a geographic area to take up residency elsewhere.

the movement of individuals away from a population or an area.

A category of population dispersal covering one-way movement out of the population area.