The colony had its share of bushrangers in the 19th century, the most well-known of whom was "Moondyne Joe".
Crime statistics
2003-2004
recorded lower rates than most other states in Australia for violent offences, but had the highest rate of burglary. In 2003 the prison population increased by 3.4% with a similar increase in 2004.
The chance of being a victim of physical assault was 3.8%. In comparison, the Northern Territory rated 5.7% and New South Wales, South Australia and the Australian Capital Territory each rated 2.8%. The rate of assault was 2,199 offenders per 100,000 people, compared with the Northern Territory's 4,832 and the Australian Capital Territory's 1,096. The chance of being a victim of a break-in in Western Australia was 5.1%. This compared to the Northern Territory's 7.7% and Tasmania's rate of 2.6%. 68 homicides, 3,753 sexual assaults, 22,869 assaults and 1,862 robberies were recorded, with a total of 34,492 offences against the person. 36,364 incidents of burglary and 86,487 incidents of theft were recorded, in a total of 169,263 offences against property.
2009–2010
figures for 2009/10 showed that police action was taken against 2072.1 people per 100,000 head of population in WA. The chance of being a victim of break-in was 5.2%. 76 homicides, 3,246 sexual assaults, 22,394 assaults and 1,70293 robberies were recorded in Western Australia, in a total of 32,922 offences against the person. 30,043 incidents of burglary, 73,215 incidents of theft were recorded in a total of 143,844 offences against property.
2010–2011
The chance of being a victim of physical assault was 3.6%. This compared to the Northern Territory rate of 5.8% and the lowest, Victoria's, rate of 2.0%. The chance of being a victim of break-in was 3.7%, a significant drop from the previous two years. The highest-rating Northern Territory scored 6.8% and the lowest, Victoria, 2.2%. 103 homicides, 2,900 sexual assaults, 22,854 assaults and 1,793 robberies were recorded in a total of 32,479 offences against the person. 35,555 incidents of burglary and 77,897 incidents of theft were recorded in a total of 152,649 offences against property.
2011–2012
91 homicides, 2,645 sexual assaults, 22,818 assaults and 1,777 robberies were recorded in a total of 32,091 offences against the person. 36,551 incidents of burglary and 85,541 incidents of theft were recorded in a total of 160,445 offences against property.
2013-2014
Police statistics showed 86 homicides, 3,645 sexual assaults, 16,236 violent assaults, and 106 robberies.
2014-2015
Police recorded 88 homicides, 3,159 sexual assaults, 27,664 domestic and non-domestic assaults, and 1,359 robberies.
2015-2016
3,946 sexual assaults, 33,348 assaults and 135 robberies.
Indigenous imprisonment rates
A leading researcher in prison reform, Gerry Georgatos, said in 2014 that one in thirteen of all Aboriginal adult males in WA is in prison. He stated that this is the highest jailing rate in the world, with WA "...the highest jailer from a racialised lens of our Aboriginal people".