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New figures show segregation rate in NZ prisons soared 70 percent in four years

Author
Jordan Dunn,
Publish Date
Mon, 28 Jul 2025, 5:00am
Photo / Getty Images
Photo / Getty Images

New figures show segregation rate in NZ prisons soared 70 percent in four years

Author
Jordan Dunn,
Publish Date
Mon, 28 Jul 2025, 5:00am

The number of inmates choosing to be separated from the general population is soaring, with advocates saying it shows growing fear as gang-affiliations become more prominent.  

Figures released to 九一星空无限talk ZB under the Official Information Act shows prison staff approved 12,153 prisoner requests for segregation in the 2023/24 financial year, up 66% from 7,284 in the 2018/19 financial year.

20,594 individual people experienced imprisonment at some point in the 2023/24 financial year.

People Against Prisons Aotearoa spokesperson Emmy Rakete said it was far from a meaningless change.

鈥淭his measures danger, this measures fear, these numbers show us that in the very recent history of New Zealand鈥檚 prison system there鈥檚 been a terrifying explosion in dread among incarcerated people.鈥

She said inmates choose to be moved to a separate area of the prison because they fear they鈥檒l be targeted for their gang affiliation, lack thereof, or for their sexual or gender identity.

鈥淚f this is one of the few tools that incarcerated people have got to try to control their exposure to violence, then of course they鈥檙e going to use it. What I want to know is why are there no better alternatives?鈥

Corrections Association of New Zealand president, Floyd du Plessis, said the number of voluntary segregations was being driven up by a 鈥渕assive increase in violence and aggressions within the prisons鈥. 

鈥淏ecause that number鈥檚 become so high, it鈥檚 actually hard to accommodate and find placement for them,鈥 he said.

鈥淨uite often we have a number of areas across the country where we鈥檝e got voluntarily segregated and general population prisoners in one unit, which means we鈥檙e having to split the unlock for that day so they鈥檙e only getting half the time out that they should.鈥

But du Plessis said the greatest burden was the prisoners being forcefully separated because of their risk to others.  There were 4,590 directed segregations in the 2023/24 financial year compared to 2,594 in the 2018/19 financial year.

Over 2300 were done so for the safety of others.

鈥淭hey鈥檙e actively giving threats of violence and aggression and so staff have to deal with them in higher numbers and in isolation so there鈥檚 a lot of violence that comes out of that.鈥  

University of Canterbury Sociologist Jarrod Gilbert released a report in March which called for segregated wings for patched members after witnessing their mounting influence in person.

It showed the segregated prison population had risen from 4% in 1983 to over 35% in 2023.

Gilbert said if prisoners didn鈥檛 join a gang, they had to be able to stand up for themselves.

鈥淵our chicken鈥檚 going to be taken off you, any goods that you might have are going to be taken off you, you鈥檒l be stood over, physically intimidated, potentially made to fight. A lot of people simply can鈥檛 handle that.鈥

He was worried voluntary segregation was becoming the new normal.

鈥淲e鈥檙e basically creating two prison systems. One for people who are very strong and can dominate, and those who are forced to leave.鈥

The Department of Corrections said a range of complex factors contributed to rising voluntary segregation but admitted, 鈥渋t has happened at a time we鈥檝e seen a growing prison population, and an increasing proportion of prisoners who are gang affiliated鈥.

It said it had a significant amount of work underway to address it, including carefully planning where prisoners with gang affiliations were placed and sharing intelligence with police to disrupt gang activity.

The Deputy Commissioner for Men鈥檚 Prisons, Neil Beales said it also had a strong focus on helping prisoners leave gangs through education and rehabilitation programmes.

Corrections Minister Mark Mitchell said he was aware of the tools in place.

鈥淚 am confident they use these tools appropriately, and in the best interests of both staff and prisoners.鈥

Jordan Dunn is a multimedia reporter based in Auckland with a focus on crime, social issues, policing and local issues. He joined 九一星空无限talk ZB in 2024 from Radio New Zealand, where he started as an intern out of the New Zealand Broadcasting School.

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