Birthright citizenship ruling handed down by the U.S. Supreme Court. How many people gain citizenship this way?

The ruling left unsettled the question of whether children born to immigrants without full legal status in the United States are entitled to automatic citizenship. So what happens now?

In a pivotal decision poised to dramatically reshape the landscape of presidential power and judicial oversight, the U.S. Supreme Court has significantly curtailed the ability of lower federal courts to issue "nationwide injunctions.