The U.S. Supreme Court is now at the center of one of the most consequential legal battles in a generation — a direct challenge to the principle that nearly every baby born on American soil is granted citizenship.
On Thursday, the justices heard oral arguments in a high-stakes case sparked by a Trump-era executive order that aims to deny citizenship to children born in the U.S. if their parents entered the country unlawfully. The policy was immediately frozen by several lower court rulings, prompting a broader debate not just over the fate of birthright citizenship, but whether federal judges can halt a policy nationwide while legal challenges unfold.
At the heart of the case is the 14th Amendment, which declares, “All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States.” For over a century, this clause has been understood to guarantee citizenship to anyone born on U.S. soil, regardless of their parents’ immigration status.
However, attorneys representing the federal government argue there’s been a historic misinterpretation. They claim that children born to undocumented immigrants are not “subject to the jurisdiction” of the United States in the same way as citizens or legal residents — comparing their situation to that of foreign diplomats, who are not granted citizenship for their U.S.-born children.
“Trump is right in saying the Fourteenth Amendment has been wrongly interpreted for 127 years,” said Solicitor General D. John Sauer in his remarks before the Court.
Critics of the policy, including immigration advocacy groups and a coalition of 22 states, disagree strongly. They point out that undocumented immigrants pay taxes, follow U.S. laws, and live under the jurisdiction of American legal systems — and therefore their children should continue to be granted citizenship by birth.
When Trump first signed the executive order in January, three separate federal judges issued what are called universal injunctions — orders that temporarily block the enforcement of a policy nationwide. The administration responded by appealing not just the birthright citizenship challenge but the broader legal mechanism that allowed one judge to freeze a policy for the entire country.
The Supreme Court now faces two monumental decisions: Should children born in the U.S. to undocumented parents be considered U.S. citizens? And should federal courts be able to apply nationwide blocks on presidential orders?
While the conservative justices have previously criticized the use of universal injunctions, Thursday’s session revealed some hesitation. The bench didn’t fully endorse the administration’s push to eliminate them — leaving the legal landscape uncertain as the summer ruling approaches.
A final decision is expected in June, and depending on the outcome, it could reshape both immigration law and the power of the federal judiciary for years to come.