Synthèse factuelle
Naturalization eligibility in Miami is governed by U.S. federal immigration law, primarily administered by the U.S. Citizenship and Immigration Services (USCIS). Applicants must meet several core criteria: be at least 18 years old, have lawful permanent resident status (a green card) for a minimum of 5 years, or 3 years if married to a U.S. citizen. Continuous residence and physical presence in the U.S., including Miami, are required—generally, applicants must have lived in the U.S. for at least half of the required residency period and maintained continuous residence without long absences. Good moral character must be demonstrated for the statutory period, typically 5 years. Applicants must also demonstrate basic English language proficiency and knowledge of U.S. history and government, typically assessed via an interview and civics test conducted at local USCIS offices in Miami. The process begins with filing Form N-400, Application for Naturalization, along with required documents and fees (currently $640 plus $85 biometrics fee). USCIS provides official study materials and naturalization information sessions to prepare applicants. The Miami USCIS Field Office handles in-person interviews and biometrics appointments. Applicants should verify eligibility using USCIS resources and ensure all documentation is complete. The naturalization timeline varies but generally takes 6 to 12 months from application to oath ceremony. Sources include USCIS official website and Miami Field Office guidelines.