canadafloridaThe reference manual

Chapter 06 · Topic 06.7 · Green card / Citizenship

U.S. naturalization (Form N-400) for Canadians: becoming a U.S. citizen

Naturalization: 5 years LPR (3 years USC spouse), 30 months physical presence, English, 2025 civics (12/20 of 128). N-400: USD 760, 6-14 months. Canada-U.S. dual citizenship allowed.

Direct answer · 60-second summary

The 60-second version

Naturalization is the process by which a green card holder (LPR) becomes a U.S. citizen. Core requirements: (1) 5 years continuous LPR (3 years if spouse of a USC), (2) physical presence ≥ 50% of the required time, (3) residency in state for 3 months before filing, (4) good moral character, (5) English proficiency + civics test. Process: Form N-400, biometrics, interview + civics test, oath ceremony. Fee: USD 760 (2024 edition). Current time: 6-14 months by USCIS center. For Canadians: dual citizenship allowed by Canada (Citizenship Act) and by the U.S. — no need to renounce Canadian. 2025 Civics Test (effective October 20, 2025): 20 questions out of 128, ≥ 12 correct to pass.

Acronyms used in this guide

Eligibility (5 pillars)

  1. LPR status: valid green card at filing AND at interview.
  2. Continuous residence: 5 years LPR (3 years if married to USC ≥ 3 years and living together).
    • Trip ≥ 6 months but < 1 year: rebuttable presumption of broken continuity.
    • Trip ≥ 1 year: presumed broken, except with Re-entry Permit (Form I-131) and N-470 (residence preserved).
  3. Physical presence: ≥ 30 months out of 5 years (50%) — or ≥ 18 months out of 3 years for USC spouse.
  4. State residency for filing ≥ 3 months.
  5. Good moral character over the statutory period (5 or 3 years). Criminal record, child-support default, tax non-filing, false statement = potential bars.
  6. English test: oral (speaking/understanding) + reading + writing (1 sentence). Age exemptions (50/20, 55/15, 65/20).
  7. Civics test: 2025 Civics Test, 20 questions out of 128, ≥ 12 correct to pass.
  8. Oath of allegiance to the United States.

Step-by-step process

  1. Form N-400: file online (myUSCIS account) or by mail. USD 760 fee (2024 edition). May file 90 days before eligibility ("early filing").
  2. I-797C receipt in 2-4 weeks.
  3. Biometrics at a USCIS Application Support Center (ASC), 1-2 months after filing. Fingerprints, photo, signature.
  4. Interview + tests: 4-12 months after biometrics, at a local USCIS field office.
    • Officer reviews N-400 file.
    • English test (oral, reading, writing).
    • 2025 civics test (20 questions chosen at random from 128).
    • Same-day decision: Approved, Continued (RFE or re-test), Denied.
  5. Oath ceremony: 2-12 weeks after approval. Receive certificate of naturalization. Becomes U.S. citizen on oath day.
  6. Apply for U.S. passport: Form DS-11 + original naturalization certificate.
  7. Notify SSA of status change (SSN update).

2025 Civics Test (since October 20, 2025)

USCIS administers the 2025 Civics Test for N-400s filed on or after October 20, 2025.

Exemptions:

Good moral character: absolute and conditional bars

Absolute bars (make N-400 impossible):

Conditional bars during the statutory period (5 or 3 years pre-N-400):

Travel outside U.S. during 5-year period

Canada-U.S. dual citizenship

Formulaires officiels (toujours utiliser la dernière édition)

Responsabilité du lecteur

Toujours télécharger la dernière édition du formulaire depuis le site officiel cité ci-dessous. Une édition expirée peut être rejetée par USCIS, DOS ou IRS. CanadaFlorida ne se substitue pas à un avocat licencié.

Editorial team

CanadaFlorida Editorial Team

Research drawn from primary public sources cited at the bottom of every guide: U.S. and Florida statutes, U.S. and Canadian federal agencies, official Florida county and state authorities, and Canadian provincial bodies where applicable.

Every figure, rate, threshold, and deadline in this guide is drawn from a verifiable primary source listed at the bottom of the page. The article is updated whenever the underlying rules change, with a fresh review date stamped at the top.

Sources and references

Public sources verified as of the last review date.

  1. USCIS — Application for Naturalization (N-400). uscis.gov/n-400
  2. USCIS — 2025 Civics Test (128 questions). uscis.gov/2025-civics-test
  3. USCIS Policy Manual, Volume 12 (Citizenship and Naturalization). uscis.gov/policy/citizenship
  4. INA §316 (general naturalization), §319 (spouse), §337 (oath). cornell.edu/§1427
  5. Loi sur la citoyenneté du Canada (1977 amendments allowing dual citizenship). justice.gc.ca/c-29

Disclaimer

This guide is for educational purpose only. Figures, rates, thresholds, timelines and rules are drawn from public sources at the date shown and may change.

For any concrete decision, consult a licensed US immigration attorney and a cross-border tax attorney.