United States — Naturalization Physical Presence (913 Days)

Summary

Requirement

913 days physically present

Window

Rolling 5 years (1,825 days)

Roughly

About 30 months of 60

Second test

Continuous residence

Basis

INA §316(a) (USCIS)

To naturalize as a US citizen on the standard track, you must have been physically present in the United States for at least 913 days — about 30 months — during the five years (1,825 days) immediately before you file Form N-400. This is only half the test: you must also have kept continuous residence for the full five years, which a single long trip abroad can break even if your day count looks fine. Both conditions come from INA §316(a). (Spouses of US citizens qualify on a shorter 3-year track with an 18-month presence test — this page covers the standard 5-year rule.)

Who it applies to

This matters most if you are:

• A lawful permanent resident (green-card holder) planning to apply for US citizenship.
• A frequent traveler, remote worker, or someone with family abroad who spends long stretches outside the US while holding a green card.
• Anyone who has taken — or is planning — a single trip abroad of several months or longer during their qualifying period.

It applies to green-card holders regardless of nationality. Meeting the day count is one requirement among several — naturalization also depends on green-card status, good moral character, and the English and civics tests.

The rule — and why it exists

INA §316(a) sets two distinct residence-related conditions that must both be met:

• Physical presence. At least 913 days physically inside the US during the five years (1,825 days) before you file. This is a simple tally of days on US soil.
• Continuous residence. You must have continuously resided in the US as a permanent resident for the full five years. A single absence of 6 months or more can break this clock — independent of your total day count.

Why it exists: Congress designed naturalization to require a genuine, sustained connection to the United States before granting citizenship. Physical presence proves you actually spent substantial time in the country, while continuous residence stops applicants from keeping a US address on paper while effectively living abroad. The two tests together close the gap either one alone would leave.

Counting the days

The window is a rolling one — the 1,825 days ending on your filing date, not a fixed calendar period. Because it moves with your filing date, waiting longer can drop older absences out of the count and let more recent US days replace them.

1. 1Take the date you plan to file Form N-400.
2. 2Look back exactly five years (1,825 days) from that date.
3. 3Add up every day you were physically present in the US inside that window.
4. 4You need at least 913 qualifying days to meet the physical-presence test.
5. 5Separately, check that no single trip abroad in that period lasted 6 months or more.

Every day inside the window counts equally — there is no minimum stay per year. Physical presence is simply the total number of days your body was inside the United States; days spent abroad do not count.

Examples

Example 1 — clearly qualifies

Over the five years before filing, you spent about 20 months total outside the US across many short trips, none longer than a few weeks. That leaves roughly 40 months (about 1,200 days) of physical presence — well over 913 — and no single trip broke continuous residence. You meet both tests.

Example 2 — enough days, but residence broken

You banked 1,100 days of physical presence, but one of your trips abroad lasted eight months. That single absence is presumed to break continuous residence. Even though your day count is far above 913, the broken residence resets your qualifying clock — so you likely cannot naturalize yet on this window.

Example 3 — just short on days

You kept every trip under six months, so continuous residence is intact, but your absences add up to more than 32 months over the five years. That leaves under 913 days of physical presence. Waiting a few more months in the US lets the rolling window drop old absences and push you over the threshold.

Exceptions & edge cases

• Spouses of US citizens. A shorter 3-year track applies, with an 18-month physical- presence requirement instead of 913 days over five years.
• Rebutting a 6-month absence. A trip of 6 months to under a year only presumes a break — you can try to overcome it with evidence you kept ties (employment, family, home, taxes) in the US, but the burden is on you.
• Absence of one year or more. This breaks continuous residence automatically and cannot simply be rebutted with evidence of ties.
• Military and overseas-work provisions. Certain military service, and approved employment abroad with a US employer (via Form N-470), can preserve continuous residence in circumstances that would otherwise break it.

Common misconceptions

• "913 days is the only test." False — continuous residence is a separate requirement, and a single long trip can break it even with the days banked.
• "A few days over the border don't matter." Only days physically in the US count; any time abroad reduces your presence total.
• "One long trip is fine as long as I come back." An absence of 6 months or more is presumed to break residence, and one year or more breaks it automatically.
• "The five years is a fixed calendar block." It's a rolling 1,825-day window ending on your filing date, so timing your application matters.

Frequently asked questions

Sources

• USCIS — Naturalization Information
• USCIS Policy Manual — Continuous Residence and Physical Presence (Vol. 12, Part D)