Emigration

The act of moving from one country to another with intention not to return. It is to be distinguished from expatriation, which means the ABANDONMENT of one's country and renunciation of one's citizenship in it, while emigration denotes merely the removal of person and property to another country. Expatriation is usually the consequence of emigration. Emigration is also sometimes used in reference to the removal from one section to another of the same country.

Emigration is the act of leaving one's country to live somewhere else. These men emigrated from Italy to the United States in 1911.
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