For many immigrants in Miami, becoming a U.S. citizen is the final step in a long journey — and one of the most meaningful. Citizenship brings the right to vote, the ability to petition for family members, protection from deportation, and the security of a permanent home in the United States.
But the naturalization process can feel intimidating, and small mistakes on the application can lead to delays or denials. This guide walks you through each step of the naturalization process, what it costs, how long it takes, and how to avoid the most common pitfalls.
Who Qualifies for Naturalization?
To apply for naturalization, you generally must:
- Be at least 18 years old
- Have been a lawful permanent resident (green card holder) for at least 5 years — or 3 years if you are married to and living with a U.S. citizen
- Have lived in the state or USCIS district where you apply for at least 3 months
- Show continuous residence and physical presence in the U.S. during the qualifying period
- Demonstrate good moral character
- Be able to read, write, and speak basic English, and pass a civics test (with some age-based exceptions)
Long trips abroad, certain criminal issues, and unpaid taxes or missed child support can all affect eligibility. If any of these apply to you, it is worth speaking with a citizenship attorney in Miami before you file.
Step 1: File Form N-400
The naturalization process officially begins when you file Form N-400, Application for Naturalization, with USCIS. You can file online or by mail. The filing fee is approximately $710 if filed online or $760 on paper (always confirm the current fee on the USCIS website before filing, as fees change). Fee reductions and waivers are available for applicants who qualify based on income.
Accuracy matters here. Every address, trip abroad, job, and legal issue in your history must be reported consistently — discrepancies between your N-400 and your immigration file are one of the most common reasons applications get delayed or denied.
Step 2: Biometrics Appointment
After filing, USCIS will schedule you for a biometrics appointment at a local Application Support Center, where your fingerprints and photo are taken for background checks. In some cases, USCIS reuses biometrics it already has on file and skips this step.
Step 3: The Naturalization Interview and Tests
The interview is the heart of the naturalization process. A USCIS officer will review your N-400 with you under oath, test your English (reading, writing, and speaking), and administer the civics test.
Important: the version of the civics test you take depends on when you filed.
- If you filed your N-400 before October 20, 2025, you take the 2008 test: the officer asks up to 10 questions from a pool of 100, and you must answer 6 correctly.
- If you filed on or after October 20, 2025, you take the 2025 test: up to 20 questions from a pool of 128, and you must answer 12 correctly.
Applicants who are 65 or older and have been permanent residents for at least 20 years study a shorter list of questions, and certain applicants qualify for English-language exemptions based on age and years of residence. If you do not pass a portion of the test, USCIS gives you a second opportunity to retake that portion.
Step 4: Decision and Oath Ceremony
After the interview, USCIS will approve, continue (request more evidence or a retest), or deny your application. If approved, the final step is the Oath of Allegiance ceremony, where you take the oath, receive your Certificate of Naturalization, and officially become a U.S. citizen. From that moment, you can apply for a U.S. passport, register to vote, and petition for certain family members.
How Long Does the Naturalization Process Take?
Processing times vary by field office and caseload, but most applicants complete the naturalization process in roughly 8 to 24 months from filing to oath ceremony. Filing a complete, accurate application is the best way to avoid adding months of delay through Requests for Evidence or rescheduled interviews.
Common Mistakes That Delay or Derail Applications
- Applying before meeting the continuous-residence or physical-presence requirements
- Failing to disclose arrests, citations, or past immigration issues (even ones that were dismissed)
- Inconsistent travel history or unreported trips abroad
- Unfiled tax returns or unresolved child support obligations
- Missing biometrics or interview appointments without rescheduling properly
Some of these mistakes do more than delay an application — in certain situations, filing for naturalization with an unresolved issue in your record can put your green card at risk. That is why a careful review of your full immigration history before filing is so important.
Get Help With Your Naturalization Case in Miami
At Alexis Garcia Legal, we guide clients through every stage of the naturalization process — from confirming eligibility and preparing a clean N-400 to interview preparation and oath day. We serve Miami-Dade and Broward County, and se habla español. Learn more about working with an immigration lawyer in Miami, or contact us today for a free consultation about your path to citizenship.
Disclaimer: This article is for general informational purposes only and does not constitute legal advice. Immigration law, USCIS fees, and procedures change frequently — always verify current requirements at uscis.gov or consult a qualified immigration attorney about your specific situation.
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