Application for Naturalization | USCIS
Summary: Form N-400 is the official application used by lawful permanent residents to apply for U.S. citizenship through the naturalization process.
Form N-400, Application for Naturalization, is the official document provided by U.S. Citizenship and Immigration Services (USCIS) for individuals seeking to become U.S. citizens. The form collects essential biographic, residential, employment, and marital information, as well as details regarding an applicant's moral character and eligibility. Applicants may file online or by mail, provided they meet the necessary residency and eligibility criteria. The form includes sections for Social Security updates, military service, and additional information required for background checks.
Document outline
1. Part 1: Information About Your Eligibility 2. Part 2: Information About You (Person applying for naturalization) 3. Part 3: Biographic Information 4. Part 4: Information About Your Residence 5. Part 5: Information About Your Marital History 6. Part 6: Information About Your Children 7. Part 7: Information About Your Employment and Schools You Attended 8. Part 8: Time Outside the United States 9. Part 9: Additional Information About You (Moral Character and Background) 10. Part 14: Additional Information (Space for overflow)