I think that in the first place it would be China because China is a super country with super power, and with influence above all other countries. And then the second place will take the Japan because they are leaders of the world technology progress.
China banned ico's in their own country and it dealt a huge problem in the market because the market price drop so hard but before the year ends, bitcoins still managed to reach $19k dollars so keep on investing or holding your coins today.