We have a high rate of crime and the highest rate of incarceration of our citizens in the world.   On this one, I agree with outsider, you go with what works.

https://en.wikipedia.org/wiki/List_of_countries_by_incarceration_rate

*We should consider that some countries make their criminals 'disappear' which keeps the jail numbers lower.   And it could be that poverty prevents some nations from sustaining jails.      A comparison to other western nations might be more meaningful.