Naturalization is the process by which U.S. citizenship is conferred upon a foreign citizen or national after he or she fulfills the requirements established by Congress in the Immigration and Nationality Act (INA). A summary of the general requirements for naturalization includes:

- A period of continuous residence and physical presence in the United States;
- Residence in a particular USCIS District prior to filing;
- An ability to read, write, and speak English, with some exemptions;
- A knowledge and understanding of U.S. history and government, with some exemptions;
- Good moral character;
- Attachment to the principles of the U.S. Constitution; and,
- Favorable disposition toward the United States.