A tougher test, stricter rules and a higher bar: USCIS is reshaping what it takes to become a U.S. citizen under Trump.

Renouncing U.S. citizenship can have severe, unexpected consequences for your Social Security benefits. Learn about the 30% ...

As rules tighten worldwide, more people are pursuing dual citizenship as a form of mobility, opportunity and insurance in an increasingly uncertain political and economic landscape. Here’s what you ...

Many foreigners, including former U.S. citizens, lose Social Security when living abroad because of their citizenship. Benefits can stop after six months overseas.