Chief Justice John Roberts appeared to rebuke the Trump administration’s bid to curtail birthright citizenship on Wednesday, telling the government’s solicitor general that “it’s the same Constitution” even as the nation’s president sat quietly in the courtroom as a litigant and spectator. Roberts’ unusually pointed exchanges with U.S. Solicitor General John Sauer signaled clear skepticism about an argument that would depart from more than a century of Supreme Court precedent and longstanding practice under the 14th Amendment.
Sauer told the justices that contemporary “birth tourism” and global mobility have created a novel problem — “8 billion people are one plane ride away from having a child who’s a U.S. citizen,” he said — and urged the court to reconsider holdings that have broadly guaranteed citizenship to nearly all children born on U.S. soil. Roberts cut across that pitch, at one point replying, “Well, it’s a new world. It’s the same Constitution,” and later pressing Sauer on how the administration’s expansive proposal follows from the narrow, idiosyncratic exceptions the government highlighted, such as children of ambassadors or those born during hostile invasions.
The administration’s position hinges on a reinterpretation of “subject to the jurisdiction thereof” in the 14th Amendment and a reading of the 1898 decision in United States v. Wong Kim Ark that the solicitor general said rests on the parents’ status as “domiciled” in the United States. Roberts asked counsel for the challengers, Cecillia Wang of the ACLU, why the word “domicile” — which Sauer said appears roughly 20 times in Wong Kim Ark — should be discounted. Wang urged the court to read Wong Kim Ark and the Citizenship Clause in full, arguing the 14th Amendment adopted the common-law rule of birthright citizenship and noting historic, narrow exceptions such as the children of foreign ambassadors.
Over more than two hours of argument, several justices pressed the administration on practical and doctrinal problems with its proposal. Conservative Justice Amy Coney Barrett raised hypotheticals about “foundlings” and the administrative burdens of adjudicating parents’ domicile and intent to remain, asking what would happen when a child’s parentage or status cannot be established. Those exchanges, and Roberts’ pointed skepticism, suggested there was not an obvious majority on the court to adopt the sweeping reinterpretation the government seeks.
President Donald Trump’s attendance — reportedly the first time in modern history a sitting president sat through a Supreme Court oral argument — drew intense attention but seemed to win him no special deference. Trump arrived shortly before the session began, sat in the public section with members of his entourage including Attorney General Pam Bondi and Commerce Secretary Howard Lutnick, shifted seats during the proceedings, and left abruptly about seven minutes into Wang’s presentation after remaining for Sauer’s roughly one-hour argument. Spectators, including actor Robert De Niro in a guest section for the justices, filled the courtroom and extra alcove chairs, and the session was broadcast live.
After leaving the court, Trump posted on Truth Social reiterating a false claim that the United States is unique in its birthright policy; in fact, roughly 30 other countries — many in the Western Hemisphere — also confer citizenship by birth. The case centers on an executive order Trump issued on Jan. 20, 2025, seeking to limit the automatic grant of citizenship to children born in the United States to parents here without lawful status. Critics have warned the move is a sweeping change to national identity and compared its stakes to historic decisions that denied citizenship, language the challengers and some commentators have invoked as the litigation proceeds.
Wednesday’s oral arguments, marked by Roberts’ unusually direct questioning, do not conclude the matter but they offer a visible gauge of the court’s attitude toward a major constitutional shift sought by the administration. The justices must now weigh statutory history, long-standing precedent and practical consequences before deciding whether to narrow a clause that has been central to American citizenship for more than a century.