Definition
N-400
Application for Naturalization — the U.S. citizenship application.
Form N-400 is used by LPRs to apply for U.S. citizenship. The current filing fee is $760 (online) or $760 (paper, as of 2024 fee rule). Applicants must prove continuous residence, physical presence, good moral character, English, and civics knowledge.
See also
Not legal advice. Definitions are provided for educational use. For case-specific guidance, consult a licensed immigration attorney.