US Naturalization Eligibility & Physical Presence Calculator 2026 | NationRules
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Naturalization & Physical Presence Calculator

Check your physical presence days, continuous residency rules, and calculate your exact 90-day early filing date.

Eligibility Calculator

Form N-400 Document Checklist

Prepare copies of these documents to submit online via your USCIS account:

  • Green Card photocopy (Front & Back)Clear color scan of your permanent resident card showing your USCIS Alien Number.
  • IRS Tax Return Transcripts (Past 3–5 Years)Official transcripts from IRS.gov proving tax filings as a resident.
  • Meticulous Travel LogsTable showing every trip outside the U.S. lasting 24 hours or longer, with exact entry/exit dates.
  • Two Passport-Style Photos2x2 inch color photos on white background (only if paper-filing; digital upload takes passport-style scans).
  • USCIS Filing FeeStandard N-400 filing fee ($710 online / $760 paper - includes biometric services as of 2024-2026 rules).
Naturalization Tiers
TrackGC AgePresence
General5 Years913 Days
US Citizen Spouse3 Years548 Days
Early Filingβ€”90 Days early
Continuous Residency Limits

If you leave the US for:

  • 6+ months: USCIS presumes you broke continuous residence. You must rebut this with bills, leases, or job proof in the US.
  • 1+ year: Continuous residence is **broken automatically**. You must wait 4 years and 1 day after returning to apply.