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N-400

Naturalization / Citizenship

Application for Naturalization

Filing Fee

$760 (paper) / $710 (online)

Processing Time

8–14 months

Overview

Apply for U.S. citizenship through naturalization. Requires 5 years as LPR (3 years if married to U.S. citizen).

Required Documents
  • Green card (front and back)
  • Passport photos
  • Tax returns (5 or 3 years)
  • Travel history outside U.S.
  • Marriage/divorce records
  • Any arrest/citation records
Common Issues
  • Excessive time spent outside U.S.
  • Tax filing issues
  • Criminal history (even minor)
  • English/civics test preparation

Tips

Must pass English and U.S. civics test. Study materials at uscis.gov/citizenship.

Related Forms
N-600

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