Explaining the high prison population

The little-known Practice:The New Zealand Corrections Journal, included an interesting but unreported article in its July edition. Below are brief excerpts and a couple of the graphs:

The findings of this paper indicate that New Zealand’s prison population is unusually skewed in terms of sexual and violent offenders...The reasons for this are beyond the scope of this paper and require further research. However, one reason might be that the majority (63%) of sexual offenders in New Zealand prisons are serving sentences greater than five years.

Illustrating the opening observation the next graph shows has much greater proportionally sentencing for  sexual offending is in New Zealand

Given such a high proportion of sexual offenders are in New Zealand prisons, and the fact that they are mostly serving very long sentences, two hypotheses present: that similar offenders in other jurisdictions spend less time in prison, and/or New Zealand has larger numbers of these offenders entering prison....With a high prison population rate, it is clear that some features of crime and justice in New Zealand are problematic. One of these areas is the disproportionate number of people in prison for interpersonal violence. Understanding what drives this requires more research. It may be due to the nature of our judicial settings, it could mean there is a concerted effort to tackle normally under-reported violence, or it may be as a result of some feature of the nature of crime in New Zealand.

Personally I believe our judiciary has clamped down hard on sexual offending and interpersonal  violence (often overlapping or indistinguishable occurrences) because of political ideology (including tough- on- crime and feminist influence - right and left). This may or may not be an over-reaction. Each case has its own characteristics. But just as sure as there are victims on the outside there are some victims on the inside.