Singapore has the most powerful passport in the world ... “even before the advent of a second Trump presidency, American political trends had become notably inward-looking and isolationist.

The index, which ranks 199 passports based on how many of 227 destinations they offer visa-free access to, has placed the US passport in ninth place, slipping from the top spot in 2014.

While American passport holders can access 186 out of 227 destinations visa-free, the U.S. itself allows only 46 other nationalities to pass through its borders visa-free, putting it way down the ...