I know with cars it's a bit more tricky, given the registering country usually requires that you keep it there for some time but
For Europe what's the best? (Assume Andorra and Monaco)
For Asia, what's the best? (Assume Singapore)
For Africa, what's the best? (Dunno)
For South America, what's the best? (Dunno)
For Europe what's the best? (Assume Andorra and Monaco)
For Asia, what's the best? (Assume Singapore)
For Africa, what's the best? (Dunno)
For South America, what's the best? (Dunno)