The Henley Passport Index rates all the different countries’ passports based on visa-free travel. From their website “With the Henley Passport Index, you can assess where you lie on the spectrum of global mobility and discover how to maximize your travel freedom through citizenship-by-investment”. Japan and Singapore are currently top of the list.
It seems as though the advanced economies in the world are getting more concerned with their borders. At the same time, more and more businesses are encouraging remote work. The first world wants location independence so they can offshore jobs cheaply, but doesn’t actually want people to move around too much! Maybe I’m being unfair. It will be interesting to see how this evolves with time.