unherd.com/2021/04/swedens-migrant-rape-crisis/
In this article for Unherd, AHA talks about the difficulty of collecting data for her book and a Swedish study that has generated some robust data:
The researchers found that, within that time-frame, a total of 3,039 offenders were convicted of rape+ against a woman in Sweden — nearly all of whom (99.7%) were men. According to the researchers, Swedish-born offenders with Swedish-born parents accounted for 40.8% of the offenders. But, strikingly, almost half of the offenders were born outside of Sweden (47.7%). Of those foreign-born offenders, 34.5% were from the Middle East/North Africa, with 19.1% hailing from the rest of Africa. As a percentage of all convicted perpetrators, therefore, 16.4% were foreign-born individuals from the Middle East/North Africa, and 9.1% were foreign-born individuals from Africa (excluding North Africa).
She goes on to look at the data in a bit more detail and then talks about how such data needs to be handled sensitively, because of two risks she identifies:
The first, and perhaps most obvious, lies in condemning entire groups, with whole categories of persons deemed “guilty” based on the criminal behaviour of a few. I think that is a mistake, ethically and analytically, not least because the overwhelming majority of foreign-born men living in Sweden are not guilty of crimes. It goes without saying that the group as a whole cannot be condemned for the actions of a very small percentage.
The second risk, however, is to take the complete opposite approach; to dismiss the link from migration to sexual violence through excessive relativisation. [...] But such an approach is not only naïve; it also ignores the existence of a wider trend. The Swedish authors themselves state that their conclusions “are in line with previous Swedish studies… [and] are also in line with international studies from, among others, Switzerland, as well as Sweden’s neighbouring countries Norway, Finland and Denmark.”