Pathways to U.S. Citizenship

Comprehensive documentation of every legal pathway to becoming a United States citizen, each grounded in specific sections of federal law.

5
Primary Pathways
Title 8
U.S. Code
§1401-1459
Statutory Sections
8 CFR
Regulations

Citizenship at Birth

Automatic citizenship for those born in the U.S. or to U.S. citizen parents abroad

8 U.S.C. § 1401INA § 301

Key Requirements

  • Birth in the United States (14th Amendment)
  • Birth abroad to two U.S. citizen parents
  • Birth abroad to one U.S. citizen parent (with physical presence requirements)
  • Foundlings discovered in U.S. under age 5
Timeline
Automatic at birth
Filing Fee
N/A (N-600 for certificate: $1,170)

Naturalization (5-Year Path)

Standard pathway for lawful permanent residents to become U.S. citizens

8 U.S.C. § 1427INA § 316

Key Requirements

  • 5 years continuous residence as LPR
  • 30 months physical presence in U.S.
  • 3 months residence in filing state/district
  • Good moral character throughout
  • Pass English and civics tests
  • Take Oath of Allegiance
Timeline
5+ years
Filing Fee
$710 + $85 biometrics

Marriage to U.S. Citizen (3-Year Path)

Expedited naturalization for spouses of U.S. citizens living in marital union

8 U.S.C. § 1430INA § 319

Key Requirements

  • 3 years continuous residence as LPR
  • 18 months physical presence
  • Living in marital union for 3 years
  • Spouse must be U.S. citizen for entire 3 years
  • Good moral character for 3-year period
Timeline
3+ years
Filing Fee
$710 + $85 biometrics

Military Service

Special naturalization provisions for members of the U.S. Armed Forces

8 U.S.C. § 1439-1440INA §§ 328-329

Key Requirements

  • Peacetime: 1 year honorable service
  • Wartime: Any qualifying service during hostilities
  • No residence requirements if filed during/within 6 months of service
  • No filing fees
  • Expedited processing available
Timeline
1 year (peacetime) / Immediate (wartime)
Filing Fee
No fee

Derivative Citizenship

Automatic citizenship for children of U.S. citizens under specific conditions

8 U.S.C. §§ 1431-1433INA §§ 320-322

Key Requirements

  • At least one parent is U.S. citizen
  • Child under 18 years of age
  • Child is lawful permanent resident
  • Child residing in custody of citizen parent
  • Includes biological and adopted children
Timeline
Automatic when conditions met
Filing Fee
N/A (N-600 for certificate: $1,170)

Important Legal Notice

The information provided on this website is for educational purposes only and is based on federal statutes (Title 8 U.S.C.) and regulations (8 CFR). Immigration law is complex and subject to change. This information does not constitute legal advice.

Always consult with a licensed immigration attorney for advice specific to your individual situation. USCIS policies and processing times may vary.

© 2025 CitizenApproved. Information sourced from public law. Not legal advice. Consult an attorney for your specific situation.