U.S. citizens are:
• individuals born in the United States, Puerto Rico, Guam, Northern Mariana Islands, Virgin Islands, American Samoa, or Swain’s Island;
• foreign-born children, under age 18, residing in the U.S. with their birth or adoptive parents, at least one of whom is a U.S. citizen by birth or naturalization; and
• individuals granted citizenship status by Immigration and Naturalization Services (INS).
To receive benefits, an individual must be either a U.S. citizen or an eligible qualified alien (see Section 305.09, Determining Qualified Alien Status).