AlienA foreign-born individual who is not a citizen of the country they reside in.
immigrantA foreign-born individual who has been granted lawful permanent resident status in a country.
Lawful Permanent ResidentAn immigrant who has been granted the right to live and work permanently in a country (also known as a "green card" holder in the U.S.).
NaturalizationThe legal process through which an immigrant acquires citizenship or nationality of a foreign country.
NonimmigrantA foreign national admitted to a country for a temporary period and a specific purpose, such as study, work, or travel.
RefugeeAn individual who has been forced to flee their home country due to persecution, war, or violence.