Summary (tl;dr)

The U.S. Supreme Court announced it will review President Donald Trump's executive order aimed at ending birthright citizenship for children born in the United States to parents who are undocumented or temporary residents, setting up a major legal battle over a long-standing constitutional principle.

Essential Background

Birthright citizenship, often referred to as jus soli (right of the soil), is a legal principle where citizenship is automatically granted to individuals born within a country's territory. In the United States, this principle is enshrined in the first sentence of the 14th Amendment to the Constitution, ratified in 1868, which states: "All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside." This amendment was primarily intended to grant citizenship to formerly enslaved people after the Civil War and has been broadly interpreted for over 125 years to include almost all individuals born on U.S. soil, regardless of their parents' immigration status, a stance upheld by the 1898 Supreme Court case United States v. Wong Kim Ark. On his first day of his second term, January 20, 2025, President Trump issued an executive order to stop issuing citizenship documentation to children born in the U.S. to parents who were in the country illegally or visiting temporarily, challenging this established interpretation.

The Full Story

On Friday, December 5, 2025, the Supreme Court agreed to hear a case challenging President Trump's executive order that seeks to deny U.S. citizenship to many babies born in the United States. This order, Executive Order 14,160, aims to withhold citizenship from children born to non-citizens "unlawfully present" in the U.S. or those on temporary visas. Lower courts have consistently blocked the administration from implementing this executive order, finding it unconstitutional and contrary to over a century of Supreme Court precedent. The Justice Department, representing the Trump administration, argues that the traditional reading of the 14th Amendment, particularly the phrase "subject to the jurisdiction thereof," is "mistaken" and does not grant citizenship to children of "temporary visitors or illegal aliens." The case the Supreme Court will hear, Trump v. Barbara, is a nationwide class-action lawsuit brought by organizations including the American Civil Liberties Union (ACLU), which asserts that no president can unilaterally alter the 14th Amendment's promise of citizenship. Arguments are expected to be heard in the spring, with a definitive ruling by early summer 2026.

Why It Matters

This Supreme Court case is a high-stakes test that could fundamentally redefine who is considered an American citizen. A ruling in favor of the Trump administration's policy would overturn over 125 years of legal understanding and constitutional interpretation, potentially stripping citizenship from thousands of children born in the U.S. and creating a new class of individuals without clear legal status. Critics argue that such a change would violate a core tenet of American liberty and create significant administrative burdens for states and families needing to prove citizenship. Proponents of the executive order argue that the current interpretation incentivizes illegal immigration and "birth tourism," where foreign nationals travel to the U.S. specifically to have children obtain U.S. citizenship. The outcome will have profound implications for immigration policy, civil rights, and the balance of power between the executive and judicial branches.

Geographic Location

• Supreme Court Building, Washington, D.C., District of Columbia, United States (Supreme Court agrees to hear case challenging birthright citizenship)
• Concord, Merrimack County, New Hampshire, United States (federal judge issued a preliminary injunction against the ban in the Barbara class-action lawsuit)