Citizenship

Citizenship & naturalization

Naturalization is the final chapter of one process and the first chapter of civic belonging.

N-400 eligibility, interview preparation, complex histories, and oath ceremony planning.

What it covers

Five-year and three-year naturalization eligibility analysis
Continuous residence and physical presence review
Good moral character issues and disclosure strategy
N-400 preparation and supporting documents
English and civics interview preparation
Derivative and acquired citizenship questions

Process for this practice

Eligibility audit

Before filing Form N-400, Application for Naturalization, a thorough eligibility audit examines continuous residence, physical presence, good moral character, English language ability, and civics knowledge requirements, as well as any prior criminal history, tax delinquencies, extended foreign absences, or prior registration with a foreign military. The standard 5-year rule requires continuous residence as an LPR for at least 5 years, physical presence in the U.S. for at least 30 months of those 5 years, and 18 months of physical presence within the 5-year period in the state or district where the N-400 is filed. The 3-year rule is available for LPRs who have been married to and living with the same U.S. citizen spouse for the entire 3-year period; meeting this rule is confirmed by examining the LPR's marriage certificate, travel records, and the U.S. citizen spouse's current citizenship status. (Source: USCIS N-400)

N-400 preparation

The N-400 application asks detailed questions about travel history, addresses, employment, marital history, criminal history, and support for the U.S. Constitution — each answer carries legal consequences, and inconsistencies between the N-400 and prior immigration filings can result in denial or, in the worst cases, a referral to USCIS Fraud Detection and National Security. Key supporting documents include a copy of the green card (front and back), passport(s) and travel records for the entire 5-year LPR period, tax return transcripts, and court dispositions for any prior arrest regardless of outcome. Form N-400 may be filed up to 90 days before the continuous residence requirement is met, calculated using USCIS's Early Filing Calculator; the current filing fee and instructions are on the USCIS N-400 page. Applicants filing on paper receive an I-797 receipt notice that automatically extends the validity of an expiring green card for 24 months. (Source: USCIS N-400)

Interview rehearsal

The naturalization interview at a USCIS field office involves an officer administering the English reading, writing, and speaking test and a civics test (100 questions, with the applicant required to answer at least 6 of 10 correctly), as well as reviewing the N-400 application under oath. USCIS may waive the English test for applicants who are age 50 or older and have lived in the U.S. as an LPR for at least 20 years (the '50/20 exemption') or age 55 or older with at least 15 years of LPR status (the '55/15 exemption'), though the civics test may still be required in the applicant's native language. For applicants with any criminal history — even minor arrests, DUIs, or offenses where no conviction resulted — a comprehensive legal review before the interview is critical, as the officer will examine court documents and may ask detailed questions about the circumstances. Candidates should practice answering every N-400 question consistently with their prior immigration filings and be prepared to produce original supporting documents. (Source: USCIS Naturalization Interview and Test)

Oath readiness

After the N-400 is approved, the applicant attends an Oath of Allegiance ceremony — either a judicial ceremony in a court or an administrative ceremony at a USCIS office — and receives a Certificate of Naturalization. USCIS generally requires the applicant to schedule and attend the oath within 120 days of the approval notice; if the applicant's circumstances change between approval and the oath (such as a new arrest or extended foreign travel), USCIS retains authority to reconsider the application before administering the oath. As of 2026, total N-400 processing time from filing to oath ceremony nationally averages 6–14 months, with significant variation by field office — some offices complete cases in 3–5 months while others are taking 12+ months. Immediately after the oath ceremony, the new citizen should apply for a U.S. passport using the Certificate of Naturalization as the primary identity document. (Sources: USCIS N-400; N-400 Processing Time 2026)

Common case types

Standard five-year filing	The most common naturalization path is available to any lawful permanent resident who has maintained continuous residence for 5 years, been physically present in the U.S. for at least 30 months of those 5 years, demonstrated good moral character for the 5-year period, and passed the English and civics tests. Under INA § 316, the N-400 may be filed up to 90 days before the 5-year anniversary of the applicant's LPR date. Trips abroad of 6 months or more — but less than 1 year — are presumed to break continuous residence unless the applicant can rebut the presumption; a single absence of 1 year or more generally does break continuous residence and restarts the clock absent special exceptions. Applicants should gather 5 years of tax transcripts, travel records, and address history before meeting with an attorney to confirm eligibility.
Marriage to U.S. citizen	LPRs who have been married to and living with the same U.S. citizen spouse continuously for 3 years — and who have maintained LPR status throughout — may file Form N-400 under the expedited 3-year rule under INA § 319(a), requiring only 18 months of physical presence (rather than 30) during that 3-year period. The U.S. citizen spouse must be a citizen for the full 3 years prior to filing, not just at the time of filing, and the couple must be 'living in marital union' — which USCIS interprets to require actual cohabitation, not merely a legal marriage. Common issues include extended separations due to work or family obligations, the U.S. citizen spouse's recent naturalization (resetting the 3-year start date), or divorce pending after the N-400 is filed (which can cause denial). Physical presence records and evidence of ongoing marital union at the time of filing should be assembled carefully.
Travel-heavy applicant	Applicants who have spent significant time abroad during their LPR period face heightened scrutiny regarding continuous residence and physical presence. A single absence of more than 6 months but less than 1 year creates a rebuttable presumption of broken continuous residence, which the applicant can overcome with evidence of maintained U.S. ties — continued employment, family in the U.S., continued tax filing, maintained residence. For applicants who have filed Form N-470 (Application to Preserve Residence for Naturalization Purposes) due to qualifying employment with a U.S. company or government agency abroad, the continuous residence clock can be preserved despite extended foreign presence. Assembling complete travel records (passports, I-94 records, airline records) for the full 5-year period is essential and often time-consuming, and discrepancies between self-reported travel and CBP records can trigger additional scrutiny.
Old criminal citation	Applicants with any prior criminal history — including dismissed charges, expunged convictions, DUIs, minor misdemeanors, or juvenile adjudications — must disclose these on the N-400 and should have a detailed legal review before filing. Under INA § 316(a)(3), USCIS must find that the applicant has 'good moral character' for the statutory period, and certain convictions — including any aggravated felony (which bars naturalization permanently), most crimes involving moral turpitude, two or more gambling offenses, and drug-related convictions — raise significant obstacles. Even a very old conviction can be disqualifying; expungement under state law does not eliminate the immigration consequences of a conviction. For 'conditional bars' (such as a single DUI or a disorderly conduct conviction), an attorney can assess whether the applicant can establish good moral character despite the conviction by demonstrating rehabilitation and compliance since the incident.
Tax or support issue	Failure to file federal or state income tax returns, failure to pay assessed taxes, or failure to comply with court-ordered child or spousal support obligations are independently evaluated by USCIS as part of the good moral character assessment and must be disclosed on the N-400. USCIS officers routinely request IRS tax transcripts (Form 4506-T) for the statutory period and compare them to self-reported employment; unexplained gaps between employment and tax filings, or unreported foreign income and accounts, can raise issues that go well beyond mere administrative errors. Applicants with past tax delinquencies should file all outstanding returns and establish a payment plan or full payment record before filing the N-400, and should obtain official IRS 'tax compliance' documentation to present at the interview. Outstanding child support arrearage documented through court records has been treated by some USCIS adjudicators as evidence of a 'habitual drunkard' or neglectful character issue warranting denial, though the law is complex in this area.
Name-change request	An applicant may request a legal name change as part of the naturalization process under INA § 336(b), which allows a federal court to amend the Certificate of Naturalization to reflect the new name without requiring a separate state court proceeding. The name change request is made on Part 2 of the N-400 and requires a judicial oath ceremony (rather than an administrative ceremony) so the federal judge can formally grant the name change as part of the naturalization oath. After the oath, the Certificate of Naturalization will reflect the new legal name, and the individual can immediately apply for a U.S. passport, Social Security card, and state ID in the new name. Applicants seeking name changes should confirm that their planned name change does not conflict with any state family court orders (e.g., court-ordered use of a child's surname) and should alert their attorney early in the process so the judicial ceremony can be scheduled appropriately.

Questions clients ask

When can I file my N-400?

USCIS allows applicants to file Form N-400 up to 90 calendar days before completing the required continuous residence period — 5 years for the standard path or 3 years for those married to and living with a U.S. citizen spouse. The 90-day early filing window is calculated from the anniversary of the LPR grant date, and USCIS provides an Early Filing Calculator to confirm the exact earliest filing date. Filing even one day before the 90-day window opens can result in rejection of the application. Applicants should also confirm physical presence requirements are met (30 months for the 5-year path, 18 months for the 3-year path) and verify that no extended foreign trips have broken continuous residence before submitting the application. As of 2026, processing times at most field offices run 6–14 months from filing to oath ceremony. (Source: USCIS N-400)

What documents should I bring?

The USCIS naturalization interview notice instructs applicants to bring all original documents that were submitted with or support the N-400 application. Core documents typically include the permanent resident card (green card), valid government-issued photo ID, all passports (current and expired) for the prior 5-year period, marriage certificate (if applicable), divorce decrees for any prior marriages, and tax return transcripts for the prior 5 years. For applicants with any criminal history, bringing certified court dispositions and police records — even for minor offenses where charges were dropped — is critical, as USCIS officers routinely ask for originals. Applicants who registered for Selective Service (required for male LPRs who entered the U.S. before age 26) should bring proof of registration, and those with prior military service should bring their discharge documents. (Source: USCIS Naturalization Interview)

What if I traveled often?

Frequent or extended foreign travel during the LPR period is one of the most common issues that delays or complicates naturalization applications. Single absences of 6 months or more (but less than 1 year) trigger a presumption of broken continuous residence that the applicant must rebut with evidence of maintained U.S. ties — tax filings, continued U.S. employment or business, family remaining in the U.S., and maintained U.S. residence. A single absence of 1 year or more — without a previously approved Form N-470 or qualifying exception — generally breaks continuous residence and restarts the 5-year clock from the date of return. Physical presence (the 30-month / 18-month requirement) must also be calculated precisely, and USCIS officers will total the days inside the U.S. from passport and I-94 records. An attorney can help compute the totals, identify whether any exception applies, and advise on the optimal filing date. (Sources: USCIS Continuous Residence; [INA § 316(b)])

Will an old arrest matter?

Yes — all arrests must be disclosed on Form N-400 regardless of outcome, how long ago they occurred, whether charges were dropped, or whether the record was expunged under state law; failure to disclose is itself a ground for denial and potential fraud findings. USCIS evaluates the impact of criminal history under the good moral character standard, and the consequences depend on the nature and date of the offense — aggravated felonies permanently bar naturalization, while other serious offenses (especially within the statutory period) create conditional bars that may or may not be overcome depending on the specific facts. Even a single DUI or drug possession charge can trigger an RFE or interview scrutiny, and applicants should consult an immigration attorney to map out the specific statutory and regulatory consequences of their criminal history before filing. Expungement, sealed records, and state-court vacaturs do not eliminate immigration law consequences unless the conviction was specifically vacated on constitutional or fundamental fairness grounds. (Source: USCIS Good Moral Character)

Do I need to speak English?

Most naturalization applicants must demonstrate English proficiency through the USCIS interview, which tests reading, writing, and speaking ability at a basic functional level using civics-related vocabulary. However, USCIS provides exceptions: applicants age 50 or older who have lived in the U.S. as an LPR for at least 20 years (the '50/20' rule) may take the civics test in their native language; applicants age 55 or older with at least 15 years of LPR status (the '55/15' rule) receive the same accommodation. Applicants with medically determined disabilities that prevent compliance with the English or civics test requirements may apply for a medical exception by submitting Form N-648, Medical Certification for Disability Exceptions, completed by a licensed medical professional. Outside of these specific exceptions, there is no general waiver for low English proficiency, and applicants should plan to study USCIS's official civics test materials well in advance of the interview. (Source: USCIS Naturalization Test Exceptions)

How long does naturalization take in 2026?

As of 2026, the national median processing time for Form N-400 from filing to oath ceremony is approximately 6–14 months, though individual USCIS field office times vary dramatically — some offices are completing 80% of cases in under 3 months, while others are running 12+ months. The process moves through several stages: receipt notice (2–4 weeks from filing), biometrics appointment if required (5–8 weeks), interview scheduling (4–9 months from filing), interview, and then oath ceremony (typically 2–8 weeks after approval). Complexity factors — criminal history requiring additional review, extensive travel records, tax compliance issues, or requests for evidence — can add 3–6 months or more to any individual case. USCIS officers have discretion to grant approval at the interview or to take the case under advisement for further review; applicants generally receive a decision in writing within a few weeks of the interview if not approved on the spot. (Sources: Immigration Direct – N-400 Processing Time 2026; USCIS N-400)

Case-example narratives

Long absences from the U.S.

Hypothetical example for educational purposes only. A lawful permanent resident who had held LPR status for six years sought naturalization but had spent approximately 19 months abroad over the preceding 5 years caring for an ill parent, including one uninterrupted trip of 9 months. The 9-month trip triggered a presumption of broken continuous residence under INA § 316(b), which required the applicant to rebut it with evidence of maintained U.S. ties. The attorney assembled a comprehensive rebuttal package demonstrating that the applicant had maintained continuous U.S. employment (on approved family medical leave), continued paying U.S. income taxes and filing returns, maintained a U.S. lease and bank accounts, and had a qualifying medical reason for the extended absence supported by foreign physician letters and hospital records. USCIS accepted the rebuttal, the N-400 was approved, and the applicant completed the oath ceremony approximately 11 months after filing. Hypothetical example for educational purposes only.

Old DUI conviction, now applying

Hypothetical example for educational purposes only. A lawful permanent resident with a 7-year-old DUI conviction — arising from a traffic stop resulting in a guilty plea, fine, and brief license suspension, with no jail time — sought naturalization and was uncertain whether the conviction would affect their application. The attorney confirmed that the DUI occurred outside the standard 5-year good moral character period and was not an aggravated felony or crime involving moral turpitude under INA § 101(f), but advised the client to obtain the certified court disposition and prepare a brief personal statement describing the circumstances and demonstrating rehabilitation and years of clean driving and law-abiding behavior since. The N-400 was filed with the disposition attached, the interviewing officer reviewed it, and the application was approved at the interview with the officer noting the age and nature of the offense and the applicant's otherwise clean record. Hypothetical example for educational purposes only.

Marriage-based 3-year applicant

Hypothetical example for educational purposes only. A foreign-born individual had obtained their green card through marriage to a U.S. citizen spouse three years earlier and sought to take advantage of the expedited 3-year rule under INA § 319(a). The attorney verified that the U.S. citizen spouse had been a citizen for the full 3 years prior to the N-400 filing date, that the couple had been married and living together continuously throughout the period (documented with joint lease renewals, utility bills, and tax returns filed jointly), and that the applicant met the 18-month physical presence requirement. The N-400 was filed 90 days before the 3-year anniversary, biometrics were completed promptly, and the interview was scheduled approximately 6 months after filing. The officer confirmed the qualifying relationship with the U.S. citizen spouse and approved the application at the interview; the oath ceremony was held three weeks later. Hypothetical example for educational purposes only.

Next step

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