Statistics New Zealand's Criminal Conviction and Sentencing Tables show that the Northland court service delivery area had the highest rate of convictions during 2015, with 88.5% of adult charge outcomes resulting in a conviction.
The conviction rate was high across all courts in the region, with 89.9% of all outcomes resulting in a conviction in Dargaville, 88.8% in Whangarei, 88.5% in Kaikohe and 86.9% in Kaitaia.
Outcomes refer to the final disposition of charges finalised in the High Court and District Courts.
Rates varied over the country, with 77.9% of charges in the Auckland service delivery area resulting in conviction. Wellington (79.2%), Otago/South Canterbury (80.4%) and Nelson/Marlborough/West Coast (81.3%) were also relatively low. The Auckland city courts had a conviction rate of 76.2%.
The national average was 83.2%. Bay of Plenty/Coromandel (87.8%), East Coast/Hawke's Bay (87.7%) and Central North Island (87.1%) were closest to Northland in high conviction rates.
Overall, 8.2% of finalised charges resulted in diversion or discharge without conviction. Southern New Zealand had the highest rate, with 11.6% of charges in Otago/South Canterbury and 11.2% in Southland/Central Otago resulting in diversion or discharge without conviction.
The Courts at Queenstown (24.1% of all outcomes) and Alexandra (21.2% of all outcomes) had the highest rate of diversions or discharges without conviction. Oamaru was also high, with 14.3%.
Northland (5.0%), East Coast/Hawke's Bay (5.2%) and Bay of Plenty/Coromandel (5.3%) had the lowest rate of finalised charges resulting in diversion or discharge without conviction. Diversion or discharge without conviction comprised 3.9% of all outcomes in Whangarei courts.
Nationally, 8.4% of charges were not proved. There was national variation again, with 12.2% of charges in the Auckland region not proved, through to 6.1% of charges in Taranaki/Whanganui. In Auckland city courts 13.6% of charges were not proved.
Outcome of finalised charges against adults, year to 31 December 2015
|Court service delivery area||Outcomes||Convicted||Diversion, Discharge
|Central Nth Isld||3853||3357||253||238||5|
|East Coast/Hawke's Bay||4907||4301||256||340||10|
|All New Zealand||76593||63746||6255||6427||165|
Proportion of outcomes by region, year to 31 December 2015
|Court service delivery area||Convicted||Diversion||Not proved||Other|
|Central Nth Isld||87.1%||6.6%||6.2%||0.1%|
|East Coast/Hawke's Bay||87.7%||5.2%||6.9%||0.2%|
|All New Zealand||83.2%||8.2%||8.4%||0.2%|
Statistics extracted from Statistics New Zealand.