The US dollar has been around since 1792 and it's the world's most popular currency. The American currency is the most traded one, most accepted as legal tender, and the one most used in global reserves. This makes it a popular choice when it comes to making payments, as it is accepted in some places that don't even use the US dollar as official currency. But how about those that do? How many countries and territories actually use the US dollar as official currency?
Click through the gallery to find out.