The country of a person's citizenship or country in which the person is deemed a national.

See Orphan

Procedure allowing certain aliens already in the United States to apply for immigrant status. Aliens admitted to the United States in a nonimmigrant, refugee, or parolee category may have their status changed to that of lawful permanent resident if they are eligible to receive an immigrant visa and one is immediately available. In such cases, the a [..]

As a nonimmigrant class of admission, an alien coming temporarily to the United States to perform agricultural labor or services, as defined by the Secretary of Labor.

Any person not a citizen or national of the United States.

Public Law 97-359 (Act of 10/22/82) provides for the immigration to the United States of certain Amerasian children. In order to qualify for benefits under this law, an alien must have been born in Cambodia, Korea, Laos, Thailand, or Vietnam after December 31, 1950, and before October 22, 1982, and have been fathered by a U.S. citizen.

Immigrant visas are issued to Amerasians under Public Law 100-202 (Act of 12/22/87), which provides for the admission of aliens born in Vietnam after January 1, 1962, and before January 1, 1976, if the alien was fathered by a U.S. citizen. Spouses, children, and parents or guardians may accompany the alien.

The arrest of a removable alien by the Department of Homeland Security. Each apprehension of the same alien in a fiscal year is counted separately.

An alien in the United States or at a port of entry who is found to be unable or unwilling to return to his or her country of nationality, or to seek the protection of that country because of persecution or a well-founded fear of persecution. Persecution or the fear thereof must be based on the alien's race, religion, nationality, membership i [..]

Aliens on whose behalf a U.S. citizen, lawful permanent resident, or employer have filed a petition for such aliens to receive immigration benefits from the U.S. Department of Homeland Security. Beneficiaries generally receive a lawful status as a result of their relationship to a U.S. citizen, lawful permanent resident, or U.S. employer.