Trump's lawyers have told the Supreme Court that 20th century presidents were wrong about birthright citizenship.

The blingy new program would allow “very high-level people” a new “route to citizenship,” Mr. Trump said. The price tag, he said, would be about $5 million. Mr. Trump revealed his gold ...

The tiny island nation of Nauru is offering citizenship in exchange for investment into its climate change initiatives. Here's what to know.

The tiny island nation in the Pacific Ocean offers citizenship for $105,000, granting visa-free access to 89 countries. The ...

Americans applied for British citizenship in record numbers last year, with a historically high volume of applications ...