On April 1, 2026, Donald Trump became the first sitting U.S. President to attend oral arguments at the Supreme Court of the United States.
The visit was linked to the Court hearing Trump’s appeal against a lower court ruling that struck down his executive order on birthright citizenship.
Birthright citizenship in the United States is guaranteed under the Fourteenth Amendment to the United States Constitution.
The amendment (1868) states that all persons born or naturalised in the U.S. and subject to its jurisdiction are citizens of the United States and the state they reside in.
This principle means that anyone born on U.S. soil automatically receives citizenship, regardless of their parents’ immigration or citizenship status.
An exception exists for children born to foreign diplomatic officers, as they have diplomatic immunity and are not subject to U.S. jurisdiction.
Trump’s executive order, signed on the first day of his second term, aimed to restrict birthright citizenship.
The order declared that children born in the U.S. to parents who are in the country illegally or temporarily would not be granted U.S. citizenship.
It directed federal agencies to deny recognition of citizenship unless at least one parent is a U.S. citizen or a lawful permanent resident.
Opponents also state that it conflicts with established administrative and immigration law principles.
The executive order has been blocked nationwide by three U.S. district courts for being unconstitutional.
The Supreme Court is now examining whether the executive order can override constitutional guarantees of birthright citizenship.
If the Court upholds birthright citizenship, it can only be changed through a constitutional amendment process.
Amending the Constitution requires approval by two-thirds of both houses of the U.S. Congress and ratification by three-fourths of state legislatures.
Such a constitutional amendment process is lengthy and could take several years to complete.