More than 30 countries grant unrestricted birthright citizenship based on the ‘jus soli’ principle – and nearly all of them are in the Western Hemisphere. The reason is more complicated than you might think.

The 14th Amendment overturned the 1857 decision that denied citizenship to Black people. Scholars say President Trump’s proposal betrays that history.

President Trump’s order curtailing birthright citizenship faces lawsuits over the 14th Amendment. This may be prelude to other efforts to end it.