Who can apply for U.S. citizenship?

Persons who are 18 years of age or older, who are lawfully admitted permanent resident aliens, and who meet certain requirements may apply for citizenship. Aliens who have served in the armed forces of the U.S. are eligible for citizenship under special provisions.

In most situations, applicants must meet the following criteria:

• Applicant has been a lawful permanent resident for five years (or three years for spouses of U.S. citizens).
• Applicant is 18 years old.
• Applicant is of good moral character.
• Applicant can speak, read, and write English.
• Applicant must pass a test on U.S. history and government.
• Applicant was physically present in the U.S. at least half the requisite time.
• Applicant has maintained lawful permanent residence continuously.
• Applicant swears loyalty to the U.S. by taking an oath of allegiance.

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