IMPRISONMENT RATES
The following imprisonment rates are age standardised. When comparing rates of imprisonment for Aboriginal and Torres Strait Islander and non-Indigenous prisoners, it is preferable to use age standardised rates (for further information see Explanatory Notes, paragraphs 34-35).
The age standardised imprisonment rate for Aboriginal and Torres Strait Islander prisoners at 30 June 2010 was 1,892 Aboriginal and Torres Strait Islander prisoners per 100,000 adult Aboriginal and Torres Strait Islander population. The equivalent rate for non-Indigenous prisoners was 134 non-Indigenous prisoners per 100,000 adult non-Indigenous population. (Table 4.2)
The rate of imprisonment for Aboriginal and Torres Strait Islander prisoners was 14 times higher than the rate for non-Indigenous prisoners at 30 June 2010, no change from the rate in 2009. The highest ratio of Aboriginal and Torres Strait Islander to non-Indigenous imprisonment rates in Australia was in Western Australia (19 times higher for Aboriginal and Torres Strait Islander prisoners). Tasmania had the lowest ratio (three times higher for Aboriginal and Torres Strait Islander prisoners). (Table 4.2)
Ratio of Indigenous to non-Indigenous age standardised imprisonment rates, by state and territory
![Graph: Ratio of Indigenous to non-Indigenous age standardised imprisonment rates, by state and territory](/ausstats/abs@.nsf/0/12cf5e952d0e70c6ca2577f3000f0aec/Body/0.73E!OpenElement&FieldElemFormat=gif)
Between 2000 and 2010, imprisonment rates for Aboriginal and Torres Strait Islander Australians increased from 1,248 to 1,892 Aboriginal and Torres Strait Islander prisoners per 100,000 adult Aboriginal and Torres Strait Islander population. In comparison, the rate for non-Indigenous prisoners increased from 130 to 134 per 100,000 adult non-Indigenous population. (Table 4.2)
Age standardised imprisonment rate(a), by Indigenous status
![Graph: Age standardised imprisonment rate(a), by Indigenous status](/ausstats/abs@.nsf/0/12cf5e952d0e70c6ca2577f3000f0aec/Body/0.17D2!OpenElement&FieldElemFormat=gif)