Even though the words “US country” and “US resident” have somewhat different definitions, they are often used interchangeably. Although all citizens of the United States are considered U.S. nationals, not all inhabitants of the United States are considered U.S. nationals.
A U.S. national, according to the Internal Revenue Service (IRS), is someone who “owes his sole allegiance to the United States.” The residents of the United States are called U.S. citizens by law. However, as previously said, not all Americans are residents of the United States.
Individuals who were born in or have ties to the United States’ outlying possessions, such as Swains Island and American Slave Islands, are referred to as “non-citizen U.S. citizens.”