Citizenship Day CounterU.S. federal · Naturalization
U.S. Citizenship Travel-Day Counter
Count full days abroad and estimated U.S. physical presence in the three- or five-year window before filing Form N-400.
Legal review preview
When this applies For the ordinary five-year path and qualifying three-year U.S. citizen spouse path. The worksheet assumes the rest of the window was spent in the U.S. February 29 filing dates and exceptions involving qualifying time abroad require separate review.
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Worked example
See how it works
A trip departing June 1 and returning June 10 has eight full days abroad. Both travel dates count as days of U.S. presence.
U.S. Citizenship Travel-Day Counter · citizenshipdaycounter.pages.dev
Check the method and official sources
For the ordinary five-year path and qualifying three-year U.S. citizen spouse path. The worksheet assumes the rest of the window was spent in the U.S. February 29 filing dates and exceptions involving qualifying time abroad require separate review. Educational estimate. Verify with the applicable court or agency.
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Method & sources
Count the window from the calendar anniversary through the day before filing. Subtract full days abroad in that window, counting the date of departure and the date of return as days of U.S. presence.
Does the day count determine whether I can apply?
The day count addresses physical presence. USCIS reviews continuous residence and other requirements separately. Select the three-year path only if it applies to you.