There is a tendency to walk on the left in Japan as well. I wouldn’t call it a rule but a vibe. For a society that is rigidly built on rules and conventions, they are remarkably flexible when it comes to tolerating people who swim against the stream. Not wanting to cause a fuss overrides a New Yorker outburst of the “Hey, I’m walking here!” variety. IMO they also insist less on the right of way or other car traffic rules when behind the wheel.