Shinners -
xxx
You should not have any problems in most countries of Africa.
Some nations in the Carribean as well... and Middle East or Asia.
At times, requires minor local formalities (air law written exam and flight test).
Often, the operator who is hiring you will assist for local certification.
Canada/USA now recognize each other's certificates, requires written exam.
xxx
beachbumflyer -
Sorry, but you forgot Guam, the Marianas, US Samoa, Midway and Wake.
I read somewhere that Texas finally also recognises FAA credentials.
Happy contrails