### Question
How is the term alien defined?


### Answer
The term **alien** is defined in *8 U.S.C. § 1101* as the following:

> any person not a citizen or national of the United States

#### Citation:
  - *8 U.S.C. § 1101*
  - Heading: **CHAPTER 12-IMMIGRATION AND NATIONALITY > SUBCHAPTER I-GENERAL PROVISIONS**

