There were 39,415 offenders proceeded against in Western Australia in 2018–19.
Principal offence type
- More than a fifth (22%) of offenders had a principal offence that was illicit drug related, the majority of the illicit drug offences were possess and/or use illicit drugs (58%).
- Homicide and related offences increased by 46% (37 offenders), driven by an increase in offenders proceeded against by police for murder.
- The male offender rate was 2,536 per 100,000 males, the female offender rate was 942 per 100,000 females.
- 72% of offenders were male, compared with the national total of 76%.
- Over one in five male offenders (22%) and female offenders (23%) had a principal offence that was illicit drug related.
- There were 5,989 youth offenders.
- Youth offenders decreased by 9% since 2017-18, compared with 7% nationally.
- The youth offender rate was 2,349 offenders per 100,000 persons which was the lowest rate in the time series.
- Almost a fifth of youth offenders had a principal offence of theft, compared with more than a tenth for the total Western Australia offender population.