Country of -
Birth: The country in which a person is born.
Chargeability: The independent country to which an immigrant entering under the preference system is accredited for purposes of numerical limitations.
Citizenship: The country in which a person is born (and has not renounced or lost citizenship) or naturalized and to which that person owes allegiance and by which he or she is entitled to be protected.
Former Allegiance: The previous country of citizenship of a naturalized U.S. citizen or of a person who derived U.S. citizenship.
(Last) Residence: The country in which an alien habitually resided prior to entering the United States.
Nationality: The country of a person’s citizenship or country in which the person is deemed a national.