Candidates for citizenship must 1) be 18 or older; 2) have resided in the United States continuously for five years--or three years if married to a U.S. citizen--(short absences are OK); 3) demonstrate the ability to speak English, and a basic knowledge of American history and government (click here to see if you pass the test); and 4) be of good moral character.
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Candidates for U.S. citizenship must meet several vetting criteria.
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Candidates for U.S. citizenship can be younger than 18.