Coming from Switzerland and having gone through the ''system'' there you must first learn on a 125 before being able to upgrade.
In Switzerland currently the rules are a bit complicated like all things/rules Swiss
Some EU countries have a 125cc/15hp or 11kw limit on beginners is my understanding.
So for the European market they would have to make 125cc I guess.
It be cool to get the new CBR here or some of the other 125's like the KTM Duke125 or Yamaha R125/MT125 but that will never happen.
In Canada besides Quebec where we have licenses plates in 4 categories: up to 125cc, up to 400cc, 400cc and above, and finally the 400cc and above high risk, I'm not even sure (besides insurance) if there is an advantage to ride a 125?
I just love mine for all the fun it brings!