Form N-400 Physical Presence & Early Filing Calculator
Enter your Green Card resident since date and travel history to evaluate your citizenship eligibility under INA § 316(a):
5-Year Rule vs 3-Year Marriage Rule Comparison
| Requirement | 5-Year Rule (Standard LPR) | 3-Year Rule (Spouse of US Citizen) |
|---|---|---|
| Minimum Physical Presence | 30 Months (913 Days) | 18 Months (548 Days) |
| 90-Day Early Filing Date | 4 Years + 9 Months | 2 Years + 9 Months |
| Continuous Residence Break | Trips 180+ days (6 months) presumed to break continuity. | Trips 180+ days (6 months) presumed to break continuity. |
Frequently Asked Questions: Form N-400 Naturalization
A single trip of 180 to 364 days creates a statutory presumption that you broke continuous residence under 8 CFR § 316.5(c). You must provide evidence to USCIS proving you maintained U.S. employment, paid taxes, and kept your U.S. home during the trip. Trips of 365+ days break continuous residence automatically (unless you obtained an approved Form N-470 before leaving).
Yes. Under USCIS policy, conditional residents with a pending Form I-751 can file Form N-400 when reaching their 3-year eligibility mark. USCIS will schedule a combo interview to adjudicate both petitions.
Official U.S. Government References
• USCIS Official Form N-400 Application Page: uscis.gov/n-400
• USCIS Policy Manual Volume 12 (Naturalization): uscis.gov/policy-manual