421-1        UNITED STATES CITIZENS AND UNITED STATES NATIONALS

United States citizens and nationals include:

• Individuals born in one of the 50 states, the District of Columbia, Puerto Rico, Guam, Virgin Islands, and the Northern Mariana Islands;

• Naturalized citizens;

• U.S. Nationals born in American Samoa or Swain's Island.  An individual who was not born in American Samoa or Swain’s Island, but one of his or her parents were born in American Samoa or Swain’s Island, may be a U.S. National.  

U.S. citizenship is verified only when questionable.  Sources of verification include birth certificates, certificates of citizenship or naturalization provided by the U.S. Citizenship & Immigration Services (USCIS), U.S. passports, and official identification cards showing U.S. citizenship.  U.S. National status may be verified with a U.S. passport stamped “U.S. National.”