4517.0 - Prisoners in Australia, 2018 
Quality Declaration
Quality Declaration ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 06/12/2018
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EXPLANATORY NOTES
6 Excluded from the collection are:
Types of facilities 7 The types of correctional facilities and programs where prisoners are held vary between the states and territories. 8 Included in the collection are:
9 Excluded from the collection are persons held in facilities administered and controlled by other agencies:
Age 10 In all states and territories with the exception of Queensland persons remanded or sentenced to adult custody are aged 18 years and over. Persons under 18 years are treated as juveniles in most Australian courts and are only remanded or sentenced to custody in adult prisons in exceptional circumstances. In Queensland, prior to 2018, 'adult' referred to persons aged 17 years and over. From February 2018 onwards, persons aged 17 years are being transitioned from adult correctional facilities into the Queensland juvenile justice system over a two year period. JURISDICTION OF CUSTODY 11 Persons included in the National Prisoner Census were counted in the state or territory in which they were held in custody regardless of which state or territory imposed the sentence being served. COUNTING RULES Reference period 12 The National Prisoner Census is a census of all persons in the legal custody of adult corrective services in all states and territories as at midnight 30 June 2018. Episode 13 An episode is defined as the period from an offender's latest date of reception into the custody of a corrective services agency for a particular offence(s)/charge(s) until the person is released from custody. When a prisoner breaches parole conditions and is returned to custody, a new episode is deemed to have commenced and a new reception date is provided. Post-sentence detention is deemed to be a continuation of the existing episode. 14 For the years prior to 2013, Western Australia treated persons who breached parole and returned to custody as continuing a prior episode. From 2013, Western Australia data are based on the standard definition of an episode as outlined in paragraph 13. From 2017, Western Australia no longer codes breach of parole to ANZSOC and instead provides the original offence for that episode, please see paragraph 102 for more information. Legal status 15 The legal status of an offender is determined by the warrant(s) or court order(s) which provide the legal basis for the detention in custody of the offender. Some offenders may have more than one type of warrant issued against them; therefore, it is possible for an offender to have dual status (e.g. under sentence for some offences and awaiting appeal results for others, or under sentence and awaiting deportation). The counting rules for determining the legal status of an offender are as follows:
Aggregate sentence 16 The aggregate sentence is the longest period that the convicted prisoner may be detained for the current sentenced offences in the current episode. This is also the maximum sentence length for a convicted prisoner for the current episode. Charges pending which are likely to extend the current episode are ignored. Where a new episode is counted when a person returns to prison from a breach of parole, the unexpired sentence of the prior episode can be incorporated into the aggregate sentence for the new episode. Expected time to serve 17 The expected time to serve is the period of imprisonment which a convicted prisoner is expected to serve and in most cases refers to the time between the date of reception for this episode (see paragraphs 13–14) and the earliest date of release. 18 Date of reception is defined as the date the prisoner was received into prison in a state or territory for the current episode. Counting rules for persons returning to custody from an escape attempt or parole are as follows:
19 In Tasmania, if an offender escapes from custody and is recaptured and returned to custody, the date of reception is the date the person was returned to custody. That is, a new episode is deemed to have commenced. 20 The minimum term is the period that must be served before the prisoner is eligible for release from custody to parole, and the difference between the maximum and minimum term is the period that will be served on parole if the prisoner is released at his or her earliest eligibility date. While parole is generally granted at the earliest eligibility date, prisoners may be denied parole for some or all of the period up to the expiry of their maximum term. For both fixed and maximum-minimum sentences, the period actually served in custody may be less than the stated time to serve where administrative mechanisms such as sentence remissions are applied. 21 The time a prisoner is expected to serve in custody depends upon the sentence(s) originally handed down, the system of remissions and the forms of parole available in the various states and territories and whether any time was spent in custody prior to reception (for example, time on remand or in police custody). The rules governing date of release are complex and differ between the states and territories. The calculation of the earliest date of release in each state and territory is described in paragraphs 23–46. 22 Expected time to serve is not calculated for prisoners sentenced to an indefinite term or to life where no minimum term has been fixed. New South Wales 23 Under current legislation, a court setting a term of imprisonment is required to first set a 'Non-Parole' period and then a 'Sentence' period. Alternatively a court may decline to set a 'Non-Parole' period. These sentences are referred to as 'Sentence/Non-Parole' and 'Sentence/Parole declined' sentence types respectively. 24 Those prisoners with a sentence of three years or less, being a sentence that has a non-parole period, are automatically released from custody at the expiry of the non-parole term. Those with a non-parole term greater than three years may be released by the State Parole Authority at any time after serving the non-parole term. Victoria 25 In Victoria, the calculation of the expected time to serve is based on either the non-parole period set by court or the aggregate sentence and the following:
Queensland 26 In Queensland, with the exception of sentences of indefinite length, earliest release date is calculated based on the date the prisoner is eligible for parole pursuant to the Corrective Services Act 2006 (CSA). Different parole eligibility date (PED) calculations apply depending on the offence for which the person has been convicted and the length of the term of imprisonment given by the sentencing court. The CSA prescribes two types of parole – court ordered parole and board ordered parole. Parole is the only form of early release available to prisoners in Queensland. Court Ordered Parole 27 A person sentenced to a term of imprisonment of no more than three years, and the term of imprisonment is not for a sexual offence or a serious violent offence is eligible for court ordered parole, pursuant to Part 9, Division 3 of the Penalties and Sentences Act 1992 (PSA). Under Court Ordered Parole, the court must fix a parole eligibility date at the time of sentence. The person is released from custody on this date under section 199 of the CSA. Board Ordered Parole 28 A person sentenced to a term of imprisonment greater than three years, or to a term of imprisonment for a serious violent offence or for a sexual offence must apply to the Parole Board for parole. The Parole Board will not consider any application for parole (except for exceptional circumstances parole) prior to the prisoner’s parole eligibility date (PED). The calculation of a parole eligibility date (PED) depends on the offence for which the person has been convicted. Mandatory minimum terms of imprisonment also apply for particular offences in Queensland. 29 For prisoners sentenced to a term of imprisonment of life, sections 181 and 181A of the CSA applies, unless a later date has been fixed by the sentencing court under the PSA. Prisoners with a life sentence have a PED of:
30 For prisoners sentenced to a term of imprisonment for a serious violent offence or other particular serious offences, sections 182 and 182A of the CSA applies, unless a later date has been fixed by the sentencing court under the PSA. 31 Prisoners serving a term of imprisonment for a serious violent offence, or sentenced under section 314A of the Criminal Code applied on sentence (unlawful striking causing death), have a PED of either 80% of the term of imprisonment or 15 years, whichever is lesser. 32 Prisoners serving a term of imprisonment for a drug trafficking offence have a PED of 80% of the term of imprisonment. 33 For prisoners detained by a judge under Criminal Law Amendment Act 1945, section 183 of the CSA applies, unless a later date has been fixed by the sentencing court under the PSA. The prisoner’s PED is the day after the day on which the prisoner has been detained for half the fixed period determined by the judge. 34 For prisoners sentenced to a term of imprisonment for particular offences under the Weapons Act 1990, section 185B of the CSA applies. If section 50, 50B or 65 of the Weapons Act 1990 is applied on sentence, the prisoner’s PED is the day after the day on which the prisoner has served the minimum penalty for the offence specified in the Weapons Act 1990. 35 Under section 184 of the CSA, a prisoner’s PED is 50% of the term of imprisonment if:
South Australia 36 In South Australia, the Truth in Sentencing legislation implemented in August 1994 determines the way in which release dates are calculated. This legislation:
Western Australia 37 In Western Australia, expected time to serve is determined differently depending on whether sentences are less than 12 months or sentences are 12 months or more. Sentences less than 12 months 38 For sentences less than 12 months, expected time to serve is determined as follows:
Sentences 12 months or more 39 For sentences 12 months or more expected time to serve is determined as follows:
40 If EED or RRED have passed, any release date set by the Prisoners Review Board is taken into account. If the Prisoners Review Board has not set a release date but has set a review date, that review date is used. If there are no such dates, the EDR (for sentences imposed before August 2003) or sentence expiry date (for sentences imposed on/after August 2003) is used. Tasmania 41 In Tasmania, the calculation of expected time to serve is based on the totality of all sentences less remissions which may be granted on eligible sentences. A remission of the whole or any part of a sentence is not to:
42 A prisoner may be eligible for remission of more than one sentence during an episode of imprisonment. 43 From October 2002, as a result of legislative change, if a court fails to make an order in relation to parole the prisoner will be ineligible for parole on that sentence. Northern Territory 44 In the Northern Territory, expected time to serve is calculated as follows:
45 Following the commencement of the Sentencing (Crime of Murder) and Parole Reform Act 2003 (NT) in February 2004, prisoners receiving or currently serving a mandatory life sentence for murder can now be considered for release on parole after serving 20 or 25 years. Prior to sentencing legislation amendments in 2004, prisoners sentenced for murder were given a mandatory life sentence without the possibility of receiving an earliest date of release, e.g. parole. Australian Capital Territory 46 Prior to 2009, prisoners sentenced in the Australian Capital Territory and who were held in New South Wales prisons were subject to New South Wales calculations for date of release. As of 30 June 2009, Australian Capital Territory prisoners were no longer held in New South Wales prisons. Impact of indeterminate sentences 47 While all states and territories have access to indeterminate sentences as a sentencing option, the degree to which that sentencing option is utilised varies considerably across states and territories, particularly for Homicide and related offences. This can impact on mean and median aggregate sentence length and expected time to serve data as prisoners with an indeterminate sentence are excluded from these calculations. For example, at 30 June 2018 the proportion of sentenced prisoners with a most serious offence of homicide that had an indeterminate sentence for aggregate sentence ranged from 11% in Victoria to 77% in South Australia.
(b) 'Maximum – minimum', 'Fixed term' and 'Fine default only' (c) 'Indeterminate life', 'Life with a minimum', 'Indeterminate – Her Majesty's pleasure', and 'Indeterminate – administrative' (d) 'Maximum – minimum', 'Fixed term', 'Fine default only', and 'Life with a minimum' (e) 'Indeterminate life', 'Indeterminate – Her Majesty's pleasure', and 'Indeterminate – administrative' Mean and median sentence length 48 Mean and median sentence length data (both aggregate sentence and expected time to serve) presented in this publication represent only prison sentences being served by prisoners on the night of 30 June of the reference year. They are not representative of all prison sentences imposed by the Criminal Courts. The mean and median sentence length of prison sentences being served by prisoners on the night of 30 June will be longer compared to the mean and median sentence length of all prison sentences handed down by the Criminal Courts. This is a consequence of the fact that prisoners sentenced to longer prison terms are more likely to be enumerated in the Prisoner Census. Prisoners that are sentenced to shorter prison terms over the course of a financial year are more likely to have completed their term by the 30 June, whilst prisoners that are sentenced to longer prison terms are more likely to remain in prison (including prisoners sentenced to imprisonment in previous financial years who are still serving their term). For sentence length data relating to all defendants given a prison sentence by Criminal Courts during a financial year, please refer to Criminal Courts, Australia (cat. no. 4513.0). 49 Mean and median aggregate sentence length data relate to sentenced prisoners with a maximum-minimum, fixed term or fine default sentence. They exclude prisoners with an indeterminate, life with a minimum or post-sentence detention sentence. 50 Mean and median expected time to serve data relate to sentenced prisoners with a maximum-minimum, fixed term, life with a minimum or fine default sentence. They exclude prisoners with an indeterminate or post-sentence detention sentence. Time on remand 51 Time on remand data in this publication refers to time on remand to date as at 30 June of the reference year and not the total time spent on remand. Time on remand is influenced by a number of factors, particularly the time it takes for a case to come before a court. Mean and median time on remand is not representative of the total time spent on remand for all prisoners. Changes to calculation of time ranges 52 In 2017, the methodology for the calculation of time ranges for Aggregate sentence length, Expected time to serve and Time on remand was updated, following a review of the process and is now considered more accurate. The impact on the data was minimal. IMPRISONMENT RATES 53 Imprisonment rates enable comparison of prisoner populations across states and territories at a point in time, as well as over time. Prisoner rates are expressed per 100,000 adult population, in accordance with international and state and territory practices. 54 Rates for the adult prisoner population are calculated using the estimated resident population (ERP) for each of the states and territories, and total Australia (see Australian Demographic Statistics (cat. no. 3101.0)) as at 31 March of the relevant calendar year. All estimates and projections for the Australian Capital Territory exclude Jervis Bay Territory. Estimates and projections for Australia exclude the external territories of Christmas Island and the Cocos (Keeling) Islands, with the exception of table 22. For table 22, data on country of birth excluding external territories are not available. As a result imprisonment rates by country of birth may be slightly lower than would be the case if these data were available. 55 From 2016, all crude imprisonment rate data are based on the perturbed population counts in these tables (see Explanatory Notes paragraphs 108–110). Prior to 2016, data for crude imprisonment rates were based on unperturbed data. As per previous years, age standardised imprisonment rates are calculated from unperturbed data. 56 The formula for calculating the imprisonment rate is as follows: 57 The formula for calculating the ratio of two imprisonment rates is as follows: 58 In June 2013, the ABS 'recast' the historical ERP data for the September 1991 to June 2011 period, as a response to a methodological improvement in the Census Post Enumeration Survey. As a result, the rates per 100,000 adult persons in the Prisoner Census were recast and used ERP data based on the 2011 Census of Population and Housing. From 2018, rates per 100,000 adult persons in the Prisoner Census use ERP data based on the 2016 Census of Population and Housing. 59 For population estimates and information on the methodology used to produce the ERP, see Australian Demographic Statistics (cat. no. 3101.0). National imprisonment rates 60 The Australian adult ERP used in the calculation of national imprisonment rates includes only persons who can legally be sentenced/remanded into an adult correctional custodial facility in each state and territory for that reference period.
61 Prior to 2009, imprisonment rate data for the Australian Capital Territory are calculated on the basis of the total number of Australian Capital Territory prisoners held in New South Wales prisons, as well as in the Australian Capital Territory. New South Wales imprisonment rates data are only based on the count of New South Wales prisoners held in New South Wales prisons. For more information about Australian Capital Territory prisoners held in New South Wales prisons, refer to paragraph 107. 62 Imprisonment rates by birthplace are calculated using country of birth data, this data is available on request from Migration, Australia (cat. no. 3412.0). Caution should be taken when using these rates as age profiles may differ between countries of births, and using crude rates to examine differences between different countries of births may lead to erroneous conclusions being drawn about variables that are correlated with age. Age standardised rates are unable to be calculated for imprisonment rates by country of birth due to the small number of prisoners born overseas. Aboriginal and Torres Strait Islander imprisonment rates 63 The Aboriginal and Torres Strait Islander population projections used in this issue are based on Series B, which is one of three main projection series (Series A, B and C) presented in Estimates and Projections, Aboriginal and Torres Strait Islander Australians, 2001 to 2026 (cat. no. 3238.0). These respectively imply a high, medium and low overall growth rate of the Aboriginal and Torres Strait Islander population. All three series assume constant interstate migration at levels observed in the 2011 Census; zero net overseas migration with no arrivals and no departures; and zero unexplained growth in the Aboriginal and Torres Strait Islander population. Different assumptions were made about future fertility, paternity and life expectancy at birth between the three series:
Age standardisation of imprisonment rates 65 Age standardisation is a statistical method that adjusts crude rates to account for age differences between study populations. The age standardised rates presented in this publication are based on the direct method of calculation, for more information please see Appendix 1 of the 2010 issue of Deaths, Australia (cat. no. 3302.0). Age standardisation requires a minimum number of person in each age group in order to calculate accurate rates, therefore age standardisation rates by multiple data items may not be possible, such as sex by Indigenous status by state. 66 There are differences in the age distributions between Australia's Aboriginal and Torres Strait Islander and non-Indigenous populations with the former having a much younger population. In 2001, the proportion of Aboriginal and Torres Strait Islander people aged 40 years and over was 20%, compared with 44% of non-Indigenous people (and 43% of the total Australian population). 67 ESTIMATED RESIDENT POPULATION, AUSTRALIA – 30 JUNE 2001 68 Due to these differing age profiles, using crude rates to examine differences between Aboriginal and Torres Strait Islander and non-Indigenous populations may lead to erroneous conclusions being drawn about variables that are correlated with age. 69 Based on comparisons across age groups, it is known that imprisonment rates decrease in older age groups, i.e. that the imprisonment rate is correlated with age. Further, based on a comparison of overall imprisonment rates between Aboriginal and Torres Strait Islander and non-Indigenous persons, it is likely that the imprisonment rate in the Aboriginal and Torres Strait Islander population will be higher because of the larger proportion of young people in the Aboriginal and Torres Strait Islander population. 70 Age standardised Aboriginal and Torres Strait Islander and non-Indigenous imprisonment rates have been presented in tables 17 and 18 of this publication. Ratios of the rates are also included in these tables. The ratio of crude rates included in table 20 can be compared with the ratio of age-standardised rates in table 18 to obtain an idea of the impact of the different age structures for the two populations on the likelihood of being imprisoned. If the crude ratio is substantially higher than the age standardised ratio, this in an indicator of the extent to which the Aboriginal and Torres Strait Islander population have higher proportions of persons in the age cohorts most likely to be imprisoned. 71 The standard population against which each population is age standardised is the total Australian Estimated Resident Population at 30 June 2001. The standard population is revised every 25 years; the next revision will be based on final data from the 2026 Census. INDIGENOUS STATUS 72 The ABS conducts an ongoing program of quality assurance to monitor and improve the quality of Indigenous status data in corrective services agencies. While the ABS has published Aboriginal and Torres Strait Islander status data in Prisoners in Australia for a number of years, ongoing quality assurance is required to better understand the level of accuracy over time. 73 The quality of the Indigenous status information collected and recorded in corrective services agencies is assessed against the ABS Standard Indigenous Question (SIQ). The SIQ is based upon self-identification by the individual who comes into contact with corrective services agencies. The SIQ requires individuals to be asked “Are you of Aboriginal or Torres Strait Islander origin?” The answers to the SIQ can be ‘No’, ‘Yes, Aboriginal’, or ‘Yes, Torres Strait Islander’. If the offender is of Aboriginal and also of Torres Strait Islander origin, both responses should be identified. If an offender does not supply an answer to this question, or is not asked, the Indigenous status field should be recorded as 'not stated'. 74 For custodial corrections, current indications are that corrective services agencies in all states and territories, except Western Australia, ask prisoners about their Aboriginal or Torres Strait Islander status in line with the SIQ as described above. In Western Australia, in some instances Indigenous status may be recorded from information previously collected. 75 Some people in custody have their Indigenous status recorded as unknown on the information systems of corrective services agencies, as their status has not been able to be obtained. Indigenous status was unknown for 0.07% of all prisoner records at 30 June 2018. CLASSIFICATIONS Australian and New Zealand Standard Offence Classification (ANZSOC), 2011 76 The offence information presented in this issue are based on the Australian and New Zealand Standard Offence Classification, 2011 (ANZSOC) (cat. no. 1234.0). The ANZSOC provides a uniform national framework for classifying offences across Australia for statistical purposes. The classification is a hierarchical structure allowing for varying degrees of detail to be published depending on the level of detail in the source information. 77 The first release of this classification was the Australian Standard Offence Classification 1997 (cat. no. 1234.0) (ASOC97). Issues of the publication from 2001 to 2009 were based on ASOC97. Prior to 2001, offence data were based on the Australian National Classification of Offences,1985 (ANCO). 78 In 2008, the ABS released a second edition of the Australian Standard Offence Classification (ASOC08), which reflected changes to criminal legislation since the first edition. In 2011, the offence classification was updated from the Australian Standard Offence Classification (ASOC) to ANZSOC; however, changes were not made to the content of the classification. 79 For the 2009 Prisoner Census, all jurisdictions implemented ASOC08 for the provision of offence data with the exception of Queensland and Western Australia which were still supplying offence data on ASOC97. This classification changes affected offence information for both sentenced and unsentenced prisoners, however analysis found that the overall impact to the time series prior to 2009 and to comparability across jurisdictions was minimal. For more information refer to the Technical Note in the 2009 issue of Prisoners in Australia (cat. no. 4517.0). 80 For the 2010 Prisoner Census, both Queensland and Western Australia implemented ASOC08. National Offence Index 81 In this collection, the National Offence Index (NOI) is used to determine the most serious charge for unsentenced prisoners for all states and territories (see paragraph 86). The NOI is a tool which provides an ordinal ranking of all offences in ANZSOC according to the perceived seriousness of each offence. The purpose of the NOI is to enable the representation of a prisoner by a single offence/charge in instances where multiple offences/charges occur for the same prisoner. The original NOI was introduced into the Prisoner Census in 2006, and was revised in 2009 to accommodate the changes made in ASOC08. An update to the NOI was published in 2018 and will be implemented in the 2019 Prisoner Census. For further information about the NOI refer to National Offence Index, 2018 (cat. no. 1234.0.55.001). Standard Australian Classification of Countries 82 Country of birth information is classified according to the Standard Australian Classification of Countries (SACC), Second Edition (cat. no. 1269.0). 83 Prisoners born in South Sudan may be included in the counts for Sudanese-born prisoners. From 2018, the imprisonment rate for Sudan has been calculated using both Sudan and South Sudan Estimated Resident Population. Prior to 2018 the imprisonment rate was calculated using the Estimated Resident Population for Sudan only and thus caution should be used when comparing prior to 2018. MOST SERIOUS OFFENCE/CHARGE Sentenced prisoners 84 For sentenced prisoners in all states and territories except Tasmania, the Most Serious Offence (MSO) is the offence for which the prisoner has received the longest sentence in the current episode for a single count of the offence, regardless of the possible result of any appeals, and regardless of whether the sentence for that offence has actually expired at census date. Where sentences are equal, or the longest sentence cannot be determined, the MSO is determined by applying the National Offence Index (NOI) (See paragraph 81). 85 In Tasmania, magistrates and judges have the capacity to provide global sentencing, i.e. a combined sentence for all offences. An individual offence will not have an identified period of imprisonment, so it is not possible to identify the offence with the longest period of imprisonment. The MSO is therefore determined by applying the NOI. Unsentenced prisoners 86 Prior to 2006, all states and territories applied the Most Serious Charge (MSC) for unsentenced prisoners by determining the charge which carries the longest statutory maximum penalty. From 2006, the NOI has been used by Victoria, Queensland, South Australia, Tasmania and the Australian Capital Territory. From 2007, the Northern Territory also applied the NOI, and in 2008, New South Wales introduced it. From 2017, Western Australia also introduced use of the NOI. There are some state and territory variations:
COURT OF SENTENCE/REMAND 87 The court of sentence/remand data refer to whether the offender was sentenced or remanded to custody by the Higher Courts, such as the Supreme Court, the District or County Court or the Lower Courts such as the Magistrates' or Children's Courts. The rules adopted for coding the level of court are:
DATA COMPARABILITY AND SIGNIFICANT EVENTS 88 National corrections statistics are compiled in order to maximise comparability across states and territories. Although differences have been overcome through the introduction of national standards, some legislative, interpretive and processing differences remain. New South Wales 89 Data for the Kariong Detention Centre were included for the first time in 2015. Prior to 2015 the Centre, although still operating under the authority of Corrective Services NSW, housed juvenile prisoners as the Kariong Juvenile Correctional Centre and these prisoners were excluded from this collection. 90 Periodic detention is a form of custody or order where a sentenced prisoner is required to be held in custody on a part-time basis. New South Wales abolished periodic detention on 1 October 2010, and as such, the number of periodic detainees has been decreasing since then. Prior to and including 2016, there were a small number of periodic detainees in New South Wales and these were included in prisoner totals (where relevant). From 2017onwards, these prisoners were out of scope for the collection and have been excluded from prisoner totals. 91 Amendments to the Bail Amendment (Repeat Offenders) Act 2002 restrict the availability of bail for three classes of defendant:
92 In 2012, New South Wales introduced improved coding procedures for sentenced and unsentenced prisoners whose most serious offence/charge fell within ANZSOC Division 16 Miscellaneous Offences, specifically those related to import / export regulations. As a result of these changes, caution should be exercised when comparing data from 2012 onwards for Miscellaneous offences for New South Wales with previous years. 93 In 2014, New South Wales improved their quality assurance procedures for coding prisoners with life sentences. As a result, a higher proportion of prisoners are being coded correctly to Life with a minimum sentence, rather than to Life with an indeterminate term. This may impact on mean and median expected time to serve (see paragraph 50). Caution should be taken when making comparisons of data prior to 2014 with subsequent years. Victoria 94 In July 2005, the Children and Young Persons (Age Jurisdiction) Act 2004 came into force in Victoria. This Act changed the definition of a child from a person under 17 years of age to a person under 18 years of age. As a consequence, the definition of an adult also changed for corrective services data to a person aged 18 years and over. Data prior to 2006 includes persons aged 17 years. 95 Data for Victoria for 2015 were provided for the morning of 30 June (i.e. the midnight muster from 29 June) due to data anomalies on the census date. Queensland 96 The Corrective Services Act 2006 (Qld) commenced in August 2006. One key provision in the new legislation relates to the management of offenders subject to Court-ordered Parole. This new order ensures that offenders serve all of their sentence under supervision, either in a correctional centre or under community supervision. This new order provides courts with the power to specify a parole release date for persons who are sentenced to a term of imprisonment of three years or less. Court-ordered Parole is not available to sex offenders or serious violent offenders. 97 In September 2005, Queensland implemented a new offender management system – the Integrated Offender Management System (IOMS). As a consequence, prior imprisonment data were understated. The ABS imputed prior imprisonment data for 2006 and 2007 as an interim measure. During 2008 changes were implemented to the IOMS system and business processes to improve the quality of the prior imprisonment data. Comparisons to data prior to 2008 should be used with caution as the data may no longer be comparable. 98 From 2018, Queensland extracted data directly from the courts which has led to coding changes. This has impacted on some Most Serious Offence coding, most notably Theft and related offences, thus caution should be taken when comparing Most Serious Offence data prior to 2018. These changes are expected to have a marginal impact at the Division level. South Australia 99 In 2013, South Australia introduced improved coding procedures for life sentences, resulting in a shift of sentence types from Life with an indeterminate term to Life with a minimum sentence. This may impact on mean and median aggregate sentence length and expected time to serve (see paragraphs 49-50). Caution should be taken when making comparisons of data prior to 2013 with subsequent years. 100 From 2014, South Australian data shows the impact of legislative changes from the Correctional Services (Miscellaneous) Amendment Act 2012 and changes to administrative procedures. This has resulted in an increase in South Australian prisoners held for ANZSOC 1513 Breach of suspended sentences and a decrease in those held for 1522 Breach of parole. Western Australia 101 The large increase in prisoners from 2008 to 2010 was due to fewer offenders being granted parole by the Prisoners Review Board and the impact of the Truth in Sentencing legislation. The Truth in Sentencing legislation refers to the Sentencing Legislation Amendment and Repeal Act 2003 (Schedule 1 – Transitional Provisions, Section 2) which included an automatic reduction of fixed sentences by one-third to offset other changes that were likely to increase the length of sentences. This provision was removed in 2008. 102 In 2013, Western Australia implemented the use of the standard definition of an episode to their data (see paragraphs 13-14). The impact of this change has been an increase in the proportion of prisoners with a most serious offence of ANZSOC 1522 Breach of parole, and an increase in the proportion of prisoners with prior imprisonment. 103 From 2017, breach of parole is no longer coded to an ANZSOC code in Western Australia. When a prisoner breaches parole in Western Australia, the original offence will be reported under the relevant ANZSOC code. Consequently the number of breaches of parole has decreased to zero for 2017. Caution should therefore be exercised when comparing offence type data from 2017 onwards with previous years. 104 From 2016 to 2017, Western Australia reviewed the classification of prisoners relating to Life indeterminate and Life with a minimum. Previously, all prisoners serving a life sentence were classified as Life indeterminate however the review found that a minimum period for the sentence was specified by the judge in the majority of cases. Therefore, prisoners were reallocated from Life - indeterminate to a Life with a minimum sentence type. This change has impacted expected time to serve as Life with a minimum is included in the calculation of this variable (see paragraph 50). Caution should be taken when making comparisons of data from 2016 onwards with previous years. 105 In 2017, Western Australia changed the way most serious offence/charge was selected for both sentenced and unsentenced prisoners. For both sentenced prisoners and unsentenced prisoners, offence/charge is determined by the application of the NOI, whereas previously offence ranking was based on ANCO. For unsentenced prisoners, Western Australia now report data in line with the counting rules which stipulate that only charges for a prisoner's current episode should be considered in the selection of a most serious charge. Caution should therefore be exercised when comparing offence type data from 2017 onwards with previous years. Tasmania 106 Most serious offence/charge data for Tasmania has been determined by the application of the NOI as the longest sentence cannot be attributed to a single offence (see paragraph 85). Australian Capital Territory 107 Prior to 2009, persons sentenced to full-time custody by the Australian Capital Territory were usually held in New South Wales prisons. A new prison facility to house Australian Capital Territory persons sentenced to full-time custody, the Alexander Maconochie Centre, began taking prisoners on 30 March 2009. As at 30 June 2009, all Australian Capital Territory prisoners held in New South Wales prisons had been relocated to the new Alexander Maconochie Centre. 108 From 1 July, 2016, periodic detention was no longer a sentencing option in the Australian Capital Territory. For operational reasons some prisoners housed at the ACT Periodic Detention Centre have been recorded against the Alexander Maconochie Centre. Counts for the former location in table 34 will therefore be understated and counts at the latter location will be overstated. From 2017, periodic detainees are not included in the data as this sentencing option no longer exists, and all ACT periodic detention orders have ended. 109 Due to reporting methods, prior imprisonment in Australian Capital Territory includes both episodes of imprisonment under sentence and on remand. Thus, caution should be taken when comparing prior imprisonment in the Australian Capital Territory with other jurisdictions. CONFIDENTIALITY 110 The Census and Statistics Act 1905 provides the authority for the ABS to collect statistical information, and requires that statistical output shall not be published or disseminated in a manner that is likely to enable the identification of a particular person or organisation. The requirement means that the ABS must ensure that any statistical information about individuals cannot be derived from published data. To minimise the risk of identifying individuals in aggregate statistics, a technique is used to randomly adjust cell values and summary variables. This technique is called perturbation and was applied to the Prisoner Census collection for the first time for the 2015 reference period. Perturbation involves small random adjustment of the statistics and is considered the most satisfactory technique for avoiding the release of identifiable statistics while maximising the range of information that can be released. These adjustments have a negligible impact on the underlying pattern of the statistics. 111 After perturbation, a given published cell value will be consistent across all tables. However, the sum of the components of a total will not necessarily give the same result as the published total in a particular table. As such, proportions may add to more or less than 100%. Readers are advised to use the published totals rather than deriving totals based on the component cells. Cells with small values may be proportionally more affected by perturbation than large values. Users are advised against conducting analyses and drawing conclusions based on small values. 112 Perturbation has been applied to data presented in this publication, including historical data from 2005 onwards. Previously, a different technique was used to confidentialise the data and therefore there may be small differences between historical data presented in this issue of the publication and those published in previous issues. POST–SENTENCE DETENTION ORDER 113 A post-sentence detention order is an order which subjects an offender to extended detention in prison following the completion of a custodial sentence. Post-sentence detention orders are made by a court where an offender has a history of serious offending, usually involving sexual or violent offences, and it determines that there is an unacceptable risk that the offender will commit further similar offences if released from prison. Prior to 2015, post-sentence detention data were included in the sentenced prisoner totals. From the 2015 publication onwards, data for post-sentence detention orders are reported in separate categories. For these:
ADDITIONAL DATA 114 Special tabulations may be produced on request to meet individual user requirements. For further information, contact the ABS National Information and Referral Services (NIRS) on 1300 135 070 or email client.services@abs.gov.au. REVISIONS 115 There were no revisions for the 2018 cycle. RELATED PUBLICATIONS ABS publications 116 Details of other ABS publications relating to crime and justice statistics can be found on the Related Information tab. 117 Current publications and other products released by the ABS are available from the ABS web site. The ABS provides a release calendar on the website detailing products to be released in the next six months. Non-ABS publications 118 Non-ABS sources which may be of interest include:
FEDERAL OFFENDERS Introduction 119 This collection is a subset of the Prisoner Census collection. It presents statistics about prisoners and parolees serving sentences for at least one federal offence as at 30 June 2018 for selected states and territories. A range of information is presented on the demographic characteristics of the federal prisoners and parolees (age, sex, country of birth and Indigenous status). Scope 120 The scope of the statistics in this collection includes all offenders, either in custody in an adult correctional institution as a sentenced prisoner, or on parole (in the community), with at least one offence against Commonwealth/federal legislation in the current episode. Counting rules 121 Statistics for prisoners with a federal offence are presented by the state or territory in which they were held (for prisoners). Statistics for parolees with a federal offence are presented by the state or territory that has responsibility for them (for parolees). Counting units 122 The principal counting unit for the Federal Offenders collection is the offender. For this collection, an offender includes those that are sentenced (in prison) and those on parole. A sentenced federal prisoner is a sentenced prisoner in custody in an adult corrective services institution with at least one offence against Commonwealth/federal legislation in the current episode. A federal parolee is an offender on parole, in the community (i.e. not in custody) who is under the authority of the Corrective Services agency, with at least one offence against Commonwealth/federal legislation that has an associated Commonwealth parole order, in the current episode (see paragraph 122). Reference period 123 The collection counts those federal offenders in custody at an adult correctional facility (as a sentenced prisoner) and those with a parole order (in the community) at midnight 30 June each year. Episode 124 The ‘current episode’ for an offender refers to an episode that is current on 30 June (of the collection year). The ‘current episode’ for an offender may contain only state offences; or only federal offences; or a combination of both state and federal offences. For this collection, only those offenders with one or more federal offence(s) in the current episode are in scope
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