Birthright Citizenship: What the Law Says About Being Born a Citizen

By Carlos Maury · April 24, 2026 ·5 min read

Few questions in immigration law are as foundational — or as debated — as birthright citizenship: who is a U.S. citizen simply by being born. The principle rests on the 14th Amendment to the Constitution and is carried into federal statute, which lists who is a citizen of the United States at birth. Understanding what the law says is the starting point for a topic that touches families, immigration, and constitutional law alike. This guide explains, in plain English.

This is general information, not legal advice. The rules below come directly from 8 U.S.C. § 1401 — the section of the Immigration and Nationality Act that lists who is a national and citizen of the United States at birth — as published in the U.S. Code by the Office of the Law Revision Counsel. Whether any of it applies to a specific case is a legal judgment that depends on the facts.

The constitutional foundation

Birthright citizenship traces to the 14th Amendment, whose Citizenship Clause provides that all persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States. Federal statute codifies this principle and spells out the categories of people who are citizens at birth.

What the statute says

Under § 1401, the following are among those who are nationals and citizens of the United States at birth, including:

(a) a person "born in the United States, and subject to the jurisdiction thereof;"
(b) a person born in the United States to a member of an Indian, Eskimo, Aleutian, or other aboriginal tribe (with protections for tribal property rights);
(c) a person born outside the United States to two U.S.-citizen parents, where one had a qualifying residence in the U.S. before the birth; and
other categories for people born abroad in specified circumstances involving one or two U.S.-citizen parents.

The statute thus recognizes two broad paths to citizenship at birth: being born in the United States (often called jus soli, "right of the soil"), and being born abroad to U.S.-citizen parents under certain conditions (citizenship by descent).

"Subject to the jurisdiction thereof"

The phrase "subject to the jurisdiction thereof" — in both the 14th Amendment and the statute — is central to birthright citizenship. Historically, it has been understood to include the vast majority of people born on U.S. soil, with narrow traditional exceptions (such as children of foreign diplomats). The precise meaning and scope of this phrase has been the subject of significant legal and constitutional debate.

Because birthright citizenship is anchored in the Constitution, questions about its scope are ultimately constitutional questions. This is an area where the law can be the subject of litigation and differing interpretations, and where developments should be followed through official and authoritative sources.

Citizenship by descent: born abroad

For people born outside the United States, citizenship at birth is available in specified situations — generally involving one or two U.S.-citizen parents and, in many cases, a requirement that a citizen parent had a certain period of residence or physical presence in the United States before the child's birth. The exact requirements depend on the category and can be technical, so whether a person born abroad acquired citizenship at birth is often a detailed legal question that turns on the parents' status and history.

Why this matters

Birthright citizenship is foundational because it determines who is a citizen from the very start — with all the rights that citizenship carries, and without needing to go through naturalization. For families, questions about a child's citizenship, or about citizenship acquired abroad through a parent, can have lasting importance. And because the topic sits at the intersection of immigration and constitutional law, it is one where accurate information matters.

Why careful analysis can be important

While being born in the United States and subject to its jurisdiction is the clearest path, questions of citizenship — especially citizenship acquired abroad through a parent, or situations involving unusual facts — can be genuinely complex. Confirming whether a person is a citizen, and documenting it, is sometimes a detailed undertaking that benefits from careful legal analysis.

Talk to a lawyer about a citizenship question

If you have a question about whether you or a family member is a U.S. citizen — particularly citizenship acquired abroad through a parent — the specific facts and the applicable law determine the answer. Carlos Maury Law is a national firm of former U.S. Immigration Judges. To talk about your situation, call (213) 769-0050. We speak Spanish.

Frequently Asked Questions

What is birthright citizenship?

Birthright citizenship is U.S. citizenship acquired at birth. It rests on the 14th Amendment's Citizenship Clause and is codified in 8 U.S.C. § 1401, which lists who is a citizen at birth — including a person born in the United States and subject to its jurisdiction, and certain people born abroad to U.S.-citizen parents.

What does "subject to the jurisdiction thereof" mean?

The phrase appears in both the 14th Amendment and 8 U.S.C. § 1401 and is central to birthright citizenship. It has historically been understood to include the vast majority of people born on U.S. soil, with narrow traditional exceptions, and its precise scope has been the subject of significant legal debate.

Can a child born outside the U.S. be a citizen at birth?

Yes, in specified situations. Under 8 U.S.C. § 1401, citizenship by descent is available generally where one or two parents are U.S. citizens and certain residence or physical-presence requirements are met. The exact rules depend on the category and can be technical.

Is birthright citizenship settled law?

Birthright citizenship is anchored in the 14th Amendment and federal statute. Because it is a constitutional matter, questions about its scope can be the subject of litigation and differing interpretations, so developments should be followed through authoritative sources.

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This article is general information only and is not legal advice. Reading it does not create an attorney–client relationship. Immigration law is complex and fact-specific; consult a qualified immigration attorney about your situation. Prior results do not guarantee a similar outcome. Attorney advertising.