"Immigration" denotes the action by which a person establishes his or her usual residence in the territory of a Member State for a period that is, or is expected to be, of at least 12 months, having previously been usually resident in another Member State or a third country;

"Emigration" denotes the action by which a person, having previously been usually resident in the territory of a Member State, ceases to have his or her usual residence in that Member State for a period that is, or is expected to be, of at least 12 months;

"Usual residence" is the place at which a person normally spends the daily period of rest, regardless of temporary absences for purposes of recreation, holiday, visits to friends and relatives, business, medical treatment or religious pilgrimage, or, in default, the place of legal or registered residence;

"Immigrant" is a person undertaking an immigration;

"Emigrant" is a person undertaking an emigration;

"Citizenship" denotes the particular legal bond between an individual and his or her State, acquired by birth or naturalisation, whether by declaration, choice, marriage or other means, according to national legislation;

"Country of birth" denotes the country of residence (in its current borders, if information is available) of the mother at the time of the birth or, in default, the country (in its current borders, if information is available) in which the birth took place;

Indicators available: Immigration/Emigration flow into/out of the reporting country during the reference year by sex, age (group), citizenship, country of birth, or country of previous/next residence of migrants.