Populations across the world are not comparable in a variety of ways, including in a "best-case" base criminality rate. So you can't compare per-capital rates of imprisonment and go, "Gee, that's high in Country X compared to Country Y and Country Z".

There's an old saw: A Scandinavian economist once said to Milton Friedman, ‘In Scandinavia, we have no poverty’. Milton Friedman replied, ‘That’s interesting, because in America, among Scandinavians, we have no poverty, either’ [0]

0: https://iea.org.uk/sites/default/files/publications/files/Sw...

N.B.: there was selection for the worse-off in those coming to the U.S.