Free Tool · Updated 2025

N-400 Filing
Eligibility Quiz

Check if you meet the continuous residence and physical presence requirements to apply for U.S. citizenship.

Which path applies to you?
🏠
5-Year Path
Standard: 5 years as LPR, 30 months physical presence
💑
3-Year Path
Married to U.S. citizen: 3 years as LPR, 18 months presence
🎖️
Military Path
Active duty or honorable discharge: special requirements

Enter Your LPR & Travel History

All calculations are done in your browser — nothing is stored

Date on your green card
Pre-filled with today
Trips outside the U.S. (in the past 5 years)
Requirements Check
Next Steps
N-400 at uscis.gov →

Frequently Asked Questions

This tool calculates continuous residence and physical presence estimates only. N-400 eligibility also depends on good moral character, English ability, and other factors not calculated here. Always verify at uscis.gov/n-400. This is not legal advice.
✓ Copied!