Three federal judges have struck down Trump’s executive order on birthright citizenship since he signed it in January 2025. Now, the Supreme Court will hear arguments in the case.
Each year, an average of about 255,000 babies born on U.S. soil would start life without U.S. citizenship based on their parents’ legal status, the research shows.
It’s actually estimated at about 250k a year:
https://pop.psu.edu/news/ending-automatic-birthright-citizenship-would-significantly-increase-size-us-unauthorized