Emigration is the departure from a country going to another country for permanent residence; it is the antonym for the term «immigration». It is two sides of the coin, because every person who leaves one country to live in another country is at the same time an emigrant and an immigrant, as he or she also enters a country leaving another one. For example, a person who left Denmark for England is an immigrant for England and an emigrant for Denmark.

The main reasons of emigration are war, low life quality, persecution for political or other reasons in the country of origin, desire to get high-quality education and well-paid job in another country.