The US Supreme Court ruled 6-3 on Tuesday that the Fourteenth Amendment guarantees citizenship to nearly all children born on American soil, striking down a Trump executive order that attempted to end that right for children of undocumented immigrants and temporary visa holders. Trump responded by congratulating China, pledging to bypass the Constitution through legislation, and claiming he had actually won the day on a separate ruling that significantly expanded his authority over federal agencies.
The ruling arrived on one of the most consequential days in recent Supreme Court history, alongside decisions on transgender athletes in school sports, campaign finance limits and presidential authority over independent federal agencies. The birthright citizenship case, known as Trump v. Barbara, was the one most closely watched and the one that produced the most immediate political reaction.
Chief Justice John Roberts wrote the majority opinion. He was joined by Justice Amy Coney Barrett from the court’s conservative bloc and all three liberal justices, making the final count 5-4 on Roberts’ specific reasoning, though a sixth justice, Brett Kavanaugh, concurred in the outcome on narrower grounds. Three conservative justices, Clarence Thomas, Samuel Alito and Neil Gorsuch, dissented.
“Children born in the United States to parents unlawfully or temporarily present are ‘subject to the jurisdiction’ of the United States and are citizens at birth under the Fourteenth Amendment’s Citizenship Clause,” the ruling states.
On his first day back in office in January 2025, Trump signed an executive order attempting to end birthright citizenship for children born to parents who were in the United States without legal permission or on temporary visas. The administration argued that the phrase “subject to the jurisdiction” in the Fourteenth Amendment, ratified in 1868, had been misread for over a century and did not extend to people present in the country illegally or temporarily.
That argument reached the Supreme Court in oral arguments held in the spring of 2025 and again in 2026 after procedural complications. During those arguments, the administration specifically raised the issue of birth tourism, the practice of travelling to the United States while pregnant so that children born there automatically receive citizenship. China was cited repeatedly as a country where this practice is common and where companies have emerged to help families arrange the births.
Thomas wrote a 91-page dissent arguing the majority decision “devalues” citizenship as understood by those who drafted the Fourteenth Amendment. Alito called the ruling a “mistake,” adding that it “preserves a powerful incentive to enter or remain in this country illegally.” Gorsuch joined both dissents.
Trump’s reaction was characteristically public. Within hours of the ruling, he posted on Truth Social: “I would like to congratulate President Xi, and the Great Country of China, on their massive Birthright Citizenship WIN!” Vice President JD Vance called the decision “a major, major mistake.” Border czar Tom Homan said the administration would “triple, quadruple down” on birth tourism investigations and called on Congress to act immediately.
The framing of the ruling as a Chinese victory was deliberate. Trump has long argued that birth tourism, particularly from China, exploits what he describes as a loophole in American law. Companies in multiple countries charge tens of thousands of dollars to arrange visas, accommodation and medical care for women who give birth in the United States. The resulting children grow up in their parents’ home countries but hold American citizenship. The Supreme Court majority did not find this practice constitutionally problematic. Two dissenting justices explicitly did.
Trump immediately shifted focus to Congress. He posted that lawmakers could “easily make it up” through legislation, saying that “no long and unwieldy Constitutional Amendment is necessary” and calling on Congress to start work that same day.
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Constitutional scholars pushed back firmly. The right to birthright citizenship is written directly into the Fourteenth Amendment. Changing or removing it requires an amendment to the Constitution itself, which means approval by two-thirds of both chambers of Congress followed by ratification by three-quarters of all state legislatures. There is no legislative shortcut around a constitutional provision.
Justice Kavanaugh’s concurring opinion did suggest one possible area where Congress might act on narrower grounds, specifically around statutory rules governing birth tourism rather than citizenship itself. House Speaker Mike Johnson said Congress was reviewing both a constitutional amendment and possible legislation. Republican Senator Eric Schmitt called the ruling “wrong, dangerous, and disastrous” and said the Constitution must be amended if legislation cannot deliver the result.
Those in Trump’s orbit who argued the executive order was legally defensible, including John Eastman, the disbarred attorney who argued the case, acknowledged the path forward was narrow. “I don’t think Congress can fix this,” Eastman said, “unless the court revisits the question on a petition for rehearing or in a future case.”
Even as birthright citizenship dominated headlines, Trump insisted he had won the more important ruling of the day. The court extended his authority, by a 6-3 margin, over roughly two dozen federal agencies previously considered independent of direct presidential control. That included the Federal Trade Commission. Trump called it “the biggest and most consequential” decision of the term, a claim that many legal experts agreed with on the merits, even those who opposed the outcome.
The birthright citizenship ruling is final. The Fourteenth Amendment stands as interpreted since the late nineteenth century. What remains open is whether Republicans in Congress will pursue an amendment, knowing that the maths required to pass one are extremely unlikely to work in their favour, or whether they will focus on narrower legislative measures targeting birth tourism specifically.
For the millions of people born in the United States to undocumented or temporary visa-holding parents, Tuesday’s decision confirmed what they already held: American citizenship, grounded not in executive preference but in the text of the Constitution itself.
