I dno about comparable to northern Europe. Stockholm, Sweden has recently had a huge burst in deadly shootings, and a Swedish official got caught in trying to lie to the BBC saying that rape is decreasing in Sweden. Official statistics show an increase between the last two data points, the last one being from 2015 or 2016 if I recall correctly.

I have bit heard anything of the like in Japan, but as you say it could be because they don't have the same measures/report rate we have, or that I don't check Japanese statistics as much.