N-400 Form Walkthrough
A step-by-step guide to understanding every section of the N-400 Application for Naturalization. Learn what each question means and how to answer correctly.
This guide helps you understand the N-400 form. It's NOT a substitute for legal advice. If you have complex immigration issues, please consult an attorney.
Esta guía te ayuda a entender el formulario N-400. NO es un sustituto de asesoría legal. Si tienes asuntos migratorios complejos, consulta a un abogado.
Sections
Eligibility Basis
This section asks why you are eligible to apply for naturalization. Most applicants qualify because they have been a permanent resident (green card holder) for at least 5 years, or 3 years if married to a U.S. citizen.
What You'll Need
Basis for eligibility
Select the reason you qualify. Most common: 5 years as a permanent resident, or 3 years if married to a U.S. citizen.
Important
You must have been a permanent resident for the required period AND have been physically present in the U.S. for at least half that time.