Automatic citizenship for people born in the United States is guaranteed by the 14th Amendment to the Constitution.

According to a 2020 study from Syracuse University, roughly 250,000 children are born in the U.S. to undocumented immigrant parents each year.

American ensured birthright citizenship for all those born in the U.S. and the dangers of Trump's pledge to end the practice.

Courts have upheld the centuries-long history of birthright citizenship. If the Trump administration tries to end it, the question seems likely to reach the Supreme Court again.

President Joe Biden has criticized President-elect Trump's plan to get rid of birthright citizenship in the US, touting the US as a multicultural nation.