Emigration – departure to another country with an intention to reside in it permanently or no shorter than 12 months.
Expulsion – compulsory transportation or removal of an alien from the territory of the Poland in accordance with the procedure established by legal acts.
Family reunification – he entry into and residence in the Poland of family members of an alien, who is not a citizen of the European Union but is residing lawfully in the Poland, in order to preserve the family, irrespective of whether the family relationship arose before or after the alien’s arrival.
Forced return – transfer of an alien to his country of origin or a foreign country to which he/she has the right to depart, according to the decision agreed with that country.
Foreigner – a person who is not a citizen of the Poland regardless if he/she holds another country’s citizenship or not.
Immigration – arrival to a country with an intention to reside in it permanently or no shorter than 12 months.
International net migration – difference between the number of immigrants and emigrants.