[MadIvan]

But can it be said to be America's prize if it goes to Jimmy Carter? Wouldn't he claim it for the "world community" or suchlike?

Regards, Ivan

[Physicist]

Wouldn't he claim it for the "world community" or suchlike?

He might. But that won't be reflected in the table that lists the count of Nobel prizes by country.

It's like racking up gold medals in the Olympics.