Can You Apply for Citizenship Under 18?

Everyone · Explainer · Updated October 1, 2026 · LearnLife Editorial

What Does Applying for Citizenship Under 18 Mean?

Applying for citizenship under 18 means a child seeks to become a U.S. citizen before reaching legal adulthood. The process varies significantly from adult naturalization. Most minors do not submit a formal naturalization application on their own; instead, they often become citizens through their parents’ legal status changes, a process called “derivation.” This can happen if the child is a lawful permanent resident (green card holder), lives in the United States under the legal custody of a U.S. citizen parent, and that parent naturalizes before the child turns 18. In such cases, the child automatically becomes a citizen without filing paperwork.

If these conditions are not met, the child may have to wait until age 18 to apply for naturalization independently. This distinction is important because “applying for citizenship” can mean different things depending on age and family situation. Many families are unaware that children can become citizens without going through the full naturalization application process themselves. Understanding this difference helps families plan ahead and avoid unnecessary applications or delays.

How Does the Citizenship Process Work for Minors?

The citizenship process for minors depends on their status and parents’ citizenship. When a parent naturalizes, children under 18 who are permanent residents living with that parent often derive citizenship automatically. This derivation means the child’s citizenship status changes without filing Form N-400, the standard naturalization application adults use.

For example, a 14-year-old immigrant with a green card lives with a parent who becomes a U.S. citizen. The child automatically becomes a citizen as long as they continue living with the naturalized parent until age 18 and maintain lawful permanent resident status.

If the child’s parents are not citizens or the child is not a permanent resident, the child generally cannot apply for citizenship on their own before age 18. Instead, they must wait until they turn 18 and then file Form N-400. At that point, the applicant must fulfill naturalization requirements, including residency, language proficiency, good moral character, and passing a civics test.

Hypothetical Example:

Consider a 16-year-old who moved to the U.S. two years ago and holds a green card. Their parent becomes a naturalized citizen when the child turns 17, and the child lives with the parent. At that moment, the child automatically becomes a U.S. citizen without filing an application. If the parent naturalized after the child turned 18, the child would have to apply independently.

Why Does Citizenship Under 18 Matter?

Citizenship under 18 matters because it grants young people important rights and opportunities earlier in life. U.S. citizenship allows you to vote, apply for a U.S. passport, qualify for federal scholarships, hold government jobs, and access certain public benefits. For minors, securing citizenship early removes barriers related to travel, education, and legal protections.

For immigrant families, understanding how children can gain citizenship through derivation or acquisition helps avoid confusion and delays. It ensures minors receive full citizenship benefits without unnecessary paperwork. Citizenship also provides a sense of security and belonging, which can improve social integration and confidence for a child growing up in the United States.

Families should know that failing to claim citizenship when eligible can complicate future applications. For example, a child who automatically derived citizenship but lacks official proof (like a Certificate of Citizenship) might face challenges enrolling in school or traveling internationally. Obtaining proper documentation early is critical.

Do You Have to Be 18 to Apply for Citizenship?

Yes, you generally have to be 18 to apply for naturalization yourself by filing Form N-400. The naturalization process is designed for adults and includes requirements such as demonstrating English language ability, knowledge of U.S. civics, continuous residency, and good moral character. The law sets 18 as the minimum age for personal naturalization applications.

However, minors under 18 do not usually “apply” for citizenship in the traditional sense. Instead, their citizenship status changes automatically if they meet derivation conditions through their parent’s citizenship. This distinction is important because many people mistakenly believe no one under 18 can become a citizen without filing an application.

Some exceptions allow certain minors to apply for citizenship under special programs, but these are rare and require legal advice. Most immigrants under 18 either acquire citizenship at birth, derive it through parents, or wait until adulthood to naturalize.

What Are Other Terms People Mix Up with Citizenship Applications for Minors?

Several terms cause confusion when discussing citizenship for minors:

• Naturalization: The adult process of applying for U.S. citizenship by submitting Form N-400, passing tests, and attending an interview.
• Derivation of Citizenship: When a child automatically becomes a citizen because their parent naturalized while the child was under 18, and the child lived with that parent as a lawful permanent resident.
• Acquisition of Citizenship: When a child born abroad to U.S. citizen parents automatically becomes a citizen at birth or soon after, depending on legal requirements.
• Certificate of Citizenship: A legal document issued by USCIS to prove citizenship acquired through parents or birth abroad, often confused with a passport.
• Permanent Resident (Green Card Holder): A non-citizen authorized to live and work in the U.S., but not a citizen unless naturalized or citizenship is derived.

Understanding these terms helps families avoid mistakes like applying for naturalization prematurely or missing out on citizenship benefits they already have.

What Should You Do Next If You Want to Apply for Citizenship Under 18?

If you or your child may be eligible for citizenship under 18, follow these steps:

1. Check your immigration status: Are you or your child a lawful permanent resident (green card holder)? Confirm this by reviewing your green card.
2. Assess parents’ citizenship status: Has a parent become a U.S. citizen through naturalization? If yes, check whether the child lived with them as a permanent resident before turning 18.
3. Gather documentation: Collect birth certificates, green cards, parents’ naturalization certificates, and any documents proving legal custody and residence.
4. Request a Certificate of Citizenship: If the child automatically derived citizenship, apply for a Certificate of Citizenship using Form N-600 to get official proof.
5. Consult USCIS resources: Visit the USCIS website to read about citizenship for children and minors. Look for eligibility criteria and required forms.
6. Seek legal advice if needed: Immigration lawyers or accredited representatives can clarify complex situations, especially if derivation conditions are unclear.
7. Prepare for naturalization at 18: If the child cannot derive citizenship, plan to file Form N-400 at age 18. Begin studying for the citizenship test and gather proof of residency and moral character.

Following these steps ensures that citizenship rights are confirmed and documented early, avoiding complications in education, travel, or employment.

How Does Citizenship for Minors Compare to Adults?

Adults apply for naturalization independently and must meet strict criteria: continuous residency (typically 5 years), physical presence, English language skills, civics knowledge, and good moral character. They file Form N-400, attend an interview, pass tests, and take an oath.

Minors, by contrast, usually do not file Form N-400 unless they turn 18. Their citizenship status depends heavily on parents’ naturalization. This means children’s citizenship is more about family legal status and less about individual applications. For example, a child who cannot speak English or has limited knowledge of U.S. civics can still become a citizen through derivation, while adults must pass language and civics tests.

Understanding this difference helps families plan and know when and how to pursue citizenship. It also clarifies why the law requires 18 as the minimum age for naturalization applications.

Where Can You Find More Information About Citizenship for Young People?

To learn more about citizenship for minors, consult official sources like:

• USCIS (U.S. Citizenship and Immigration Services): Search for “citizenship for children” or “derivation of citizenship” to find eligibility rules and application forms.
• USA.gov: Provides government information on citizenship and immigration basics.
• Vote.gov: Offers information about voting rights once you turn 18 and citizenship documentation.
• Legal aid groups: Immigration non-profits often provide free advice and help with citizenship questions for minors.
• Educational resources: Materials designed to explain naturalization to teens or children, which can help families understand terminology and requirements.

Checking these sources regularly ensures you have up-to-date information, as immigration rules can change. Official websites also offer downloadable forms and instructions for applying or documenting citizenship.

Frequently asked questions

Can a child born outside the U.S. be a citizen before 18?

Yes, if at least one parent is a U.S. citizen and meets residency requirements, a child born abroad may acquire citizenship at birth or shortly after, depending on the circumstances.

What if my parents are not citizens—can I apply for citizenship before 18?

Generally, no. If your parents are not U.S. citizens and you do not derive citizenship from them, you must wait until age 18 to apply for naturalization yourself.

Do children who derive citizenship have to take a citizenship test?

No. Children who become citizens through derivation do not take the citizenship test or attend an interview. Those who apply after 18 must complete these steps.

How long does it take to become a citizen after applying at 18?

The naturalization process can take several months or more, depending on USCIS caseload, background checks, and interview scheduling.

Can parents apply for citizenship on behalf of their children?

Parents cannot file naturalization applications for children under 18. Instead, children usually become citizens through derivation or must apply independently after turning 18.