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United States Citizenship: Your Top 12 FAQs Answered

IMMIKRATOS Team

4/22/2026

11 min read

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IMMIKRATOS Team

Updated on April 22, 2026 · 11 min read

Becoming a citizen of the United States is a significant milestone, opening doors to numerous rights and opportunities. However, the path to naturalization can seem complex, filled with various requirements, forms, and tests. Understanding the process upfront is crucial for a smooth and successful application. At IMMIKRATOS, we believe in empowering aspiring citizens with clear, concise, and accurate information. This FAQ aims to address your most pressing questions about US citizenship, from initial eligibility to the final oath ceremony. We'll cover everything you need to know to confidently navigate your journey towards becoming a proud US citizen.

Key Facts About US Citizenship

Most applicants need a Green Card for at least five years before applying.
The USCIS civics test is oral, requiring 6 out of 10 correct answers.
The United States generally allows its citizens to hold dual nationality.
Application fees for naturalization can exceed $700, excluding other costs.
You must demonstrate good moral character and basic English proficiency.

Q.Who is eligible to apply for United States citizenship?

Generally, to be eligible for US citizenship, you must be 18 years or older, have been a lawful permanent resident (Green Card holder) for at least 5 years (or 3 years if married to a US citizen), demonstrate good moral character, and show an understanding of English and US civics. You must also have maintained continuous residency and met physical presence requirements within the US. There are specific exceptions for military personnel or those applying through special programs, but these are the primary criteria for most naturalization applicants.

Q.How long do I need to be a legal permanent resident before applying?

The standard requirement is to have held lawful permanent resident status (a Green Card) for at least five years immediately preceding the date you file your N-400, Application for Naturalization. However, if you are married to and living with a US citizen, this period is reduced to three years. In both cases, you must also have been physically present in the US for at least half of that time and demonstrate continuous residency, meaning you haven't taken extended trips abroad that disrupt your residency.

Q.What are the total costs for the US citizenship application, including fees?

The primary cost is the USCIS filing fee for Form N-400, Application for Naturalization, which typically includes a fee for biometric services. As of late 2023, this combined fee is $725. Beyond this, applicants might incur additional costs such as legal assistance, document translation, passport photos, or preparation materials for the civics and English tests. While the USCIS fee is fixed, total expenses can vary widely depending on individual circumstances and whether professional help is sought. Some low-income applicants may qualify for a fee waiver.

Q.How long does the entire US naturalization process usually take?

The total duration of the naturalization process can vary significantly, often ranging from 6 to 18 months, or even longer in some high-volume jurisdictions. Factors influencing the timeline include the service center's workload, the complexity of your case, and how quickly you respond to USCIS requests. The process typically involves filing your application, attending a biometrics appointment, undergoing an interview, receiving a decision, and finally, participating in an Oath of Allegiance ceremony. Patience is key, as each step has its own processing time.

Q.What is the format of the USCIS civics and English test, and what's a passing score?

The USCIS naturalization test has two main parts: an English test and a civics test. The English test assesses your ability to read, write, and speak basic English during your interview. The civics test is oral; the interviewing officer will ask you up to 10 questions from a list of 100 civics questions. To pass, you must answer at least 6 out of 10 questions correctly. Our platform, IMMIKRATOS, offers comprehensive preparation tools for these essential components.

Q.Does the United States allow its citizens to hold dual citizenship?

Yes, the United States generally permits its citizens to hold dual nationality. This means that a person can be a citizen of both the United States and another country simultaneously. The US government does not require you to renounce your previous citizenship when you naturalize, although the Oath of Allegiance does contain a clause renouncing allegiance to foreign states. It's crucial, however, for individuals to check the laws of their country of origin, as some nations may automatically revoke citizenship upon acquiring another.

Q.What are the English language requirements for US citizenship, and are there exemptions?

Applicants for US citizenship must demonstrate an ability to read, write, and speak basic English. This is typically assessed during the naturalization interview. However, there are exemptions based on age and the length of time you've been a lawful permanent resident. If you are 50 years old or older and have lived in the US as a green card holder for at least 20 years (the '50/20 rule'), or 55 years old or older with at least 15 years as a green card holder (the '55/15 rule'), you are exempt from the English test. The civics test, however, can still be taken in your native language with an interpreter.

Q.Are there specific rules for naturalization if I'm married to a US citizen?

Yes, naturalization through marriage to a US citizen offers an expedited path. Instead of the standard five years, you may apply for citizenship after only three years of being a lawful permanent resident. To qualify, you must have been married to and living with the same US citizen spouse for the entire three-year period immediately before filing your N-400 application. Your spouse must have been a US citizen for those three years as well, and you still need to meet other general eligibility criteria.

Q.Do my children automatically become US citizens if I get naturalized?

Under the Child Citizenship Act of 2000, children may automatically derive US citizenship when their parent naturalizes, provided specific conditions are met. The child must be under 18 years of age, be a lawful permanent resident (Green Card holder), and be residing in the United States in the legal and physical custody of the naturalizing US citizen parent. If all these conditions are met, the child generally becomes a US citizen automatically at the moment of the parent's naturalization.

Q.What are common reasons for a US citizenship application to be rejected, and what can I do?

Common reasons for rejection include failing to meet continuous residency or physical presence requirements, not demonstrating good moral character (due to certain criminal offenses), failing the English or civics test, providing incomplete or false information, or failing to register for selective service if required. If your application is denied, you typically have the option to request a hearing with an immigration officer to appeal the decision, or you may reapply after addressing the issues that led to the denial. Seeking legal advice is highly recommended.

Q.What rights do I gain by becoming a US citizen, like voting or getting a passport?

Becoming a US citizen grants you a multitude of rights and privileges. You gain the right to vote in federal, state, and local elections, and the ability to hold federal office. You can obtain a US passport, facilitating international travel. Citizenship also protects you from deportation, allows you to sponsor more family members for immigration, and opens up eligibility for certain federal jobs and benefits. It does not, however, automatically grant work rights in the EU, UK, or other countries; those depend on agreements with those specific nations.

Q.Is renouncing my previous citizenship required when becoming a US citizen?

The United States does not generally require you to formally renounce your prior citizenship in a separate legal process when you naturalize. However, when taking the Oath of Allegiance, you will formally swear to 'absolutely and entirely renounce and abjure all allegiance and fidelity to any foreign prince, potentate, state, or sovereignty of whom or which I have heretofore been a subject or citizen.' While this is a declaration of intent, it does not mean your previous citizenship is automatically dissolved, as it depends on the laws of your country of origin. It's advisable to check your home country's specific policies on dual nationality.

Ready to Conquer Your US Citizenship Test?

Navigating the USCIS civics and English tests can be challenging, but with IMMIKRATOS, you're not alone. Our platform offers comprehensive preparation materials for 28 countries in 89 languages, including the US. For a one-time payment of just 25€, gain lifetime access to all our resources. Start your journey with confidence, knowing you have the best tools at your fingertips. Plus, enjoy peace of mind with our 14-day withdrawal period, ensuring your satisfaction as per Spanish consumer law.

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