The term green card refers to a document issued by a government agency that grants the holder lawful permanent residence. Green cards can be obtained in a number of ways, including through employment.
Also known as a permanent resident card and alien registration receipt card, a green card is a government issued document that bestows permanent residence on immigrants. In doing so, a green card also allows the holder to work indefinitely. The primary difference between a visa and a green card is duration. Visas allow an individual to say on a temporary basis (visitor status), while a green card allows an individual to stay permanently (immigrant status).
Green cards can be obtained in a number of ways, and while the most popular scenario is through family, it can also be obtained through the individual's job or employer:
Note: Individuals holding advanced academic degrees or those with specialized skills are given preferential treatment when evaluating applications for green cards.