IMPRISONMENT RATES
The following imprisonment rates are aged standardised. When comparing rates of imprisonment for Indigenous and non-Indigenous prisoners, it is preferable to use age standardised rates (for further information see Explanatory Notes, paragraphs 31-32).
The age standardised imprisonment rate for Indigenous prisoners at 30 June 2009 was 1,891 Indigenous prisoners per 100,000 adult Indigenous population. The equivalent rate for non-Indigenous prisoners was 136 non-Indigenous prisoners per 100,000 adult non-Indigenous population.
The rate of imprisonment for Indigenous prisoners was 14 times higher than the rate for non-Indigenous prisoners at 30 June 2009. In 2008 this difference was 13 times higher for Indigenous prisoners. The highest ratio of Indigenous to non-Indigenous imprisonment rates in Australia was in Western Australia (20 times higher for Indigenous prisoners). Tasmania had the lowest ratio (three times higher for Indigenous prisoners).
RATIO OF INDIGENOUS TO NON-INDIGENOUS AGE STANDARDISED RATES OF IMPRISONMENT
Between 2000 and 2009, Indigenous imprisonment rates increased from 1,248 to 1,891 Indigenous prisoners per 100,000 adult Indigenous population. In contrast, the rate for non-Indigenous prisoners increased from 130 to 136 per 100,000 adult non-Indigenous population.
Age standardised imprisonment rates(a), Indigenous status
Quality Declaration 
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