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How to Apply for U.S. Citizenship

Federal & State Law Editorial TeamLast reviewed: 2025-12-01

Naturalization is the process by which a lawful permanent resident (green card holder) becomes a U.S. citizen.

Eligibility requirements:

  • Be at least 18 years old
  • Be a lawful permanent resident for at least 5 years (3 years if married to a U.S. citizen)
  • Have continuous residence in the U.S.
  • Have been physically present in the U.S. for at least 30 months of the last 5 years
  • Have lived in the state where you are applying for at least 3 months
  • Demonstrate good moral character
  • Pass an English language test (reading, writing, speaking)
  • Pass a U.S. civics test (100 possible questions, must answer 6 of 10 correctly)
  • Be willing to take the Oath of Allegiance
  • Steps to apply:

  • File Form N-400 (Application for Naturalization) with USCIS and pay the filing fee ($760).
  • Attend a biometrics appointment (fingerprinting and background check).
  • Attend the naturalization interview with a USCIS officer.
  • Take the English and civics tests during the interview.
  • Receive a decision (approved, continued, or denied).
  • Take the Oath of Allegiance at a naturalization ceremony.
  • Receive your Certificate of Naturalization.
  • Benefits of citizenship:

  • Right to vote
  • Cannot be deported (except in cases of fraud)
  • Can sponsor more family members for immigration
  • Eligible for federal employment and security clearances
  • Can travel with a U.S. passport
  • Exceptions. Certain applicants may be exempt from the English test based on age and years of residency.

    This is legal information, not legal advice.

    When to Talk to a Lawyer
    • You have a criminal record that may affect eligibility
    • You have extended absences from the U.S.
    • Your naturalization application was denied
    Related Statutes & Laws
    • INA § 316 (8 U.S.C. § 1427)
    • INA § 319

    This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.