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INTRODUCTION
Excluded from the collection are:
6 In all States and Territories except Victoria and 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 not remanded or sentenced to custody in adult prisons, other than in exceptional circumstances. However, in Victoria and Queensland 'adult' refers to persons aged 17 years and over. 7 In addition to the general rules of inclusion and exclusion for the scope of the National Prisoner Census, the following State and Territory differences should be noted:
JURISDICTION OF CUSTODY 8 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. 9 The Australian Capital Territory has a remand centre for unsentenced prisoners and a periodic detention centre. During 2000, the Australian Capital Territory commenced detaining some sentenced fine default only prisoners at their remand centre. 10 Persons sentenced to full-time custody by Australian Capital Territory courts are held in New South Wales prisons. Some unsentenced persons from the Australian Capital Territory may also be held in New South Wales prisons when the capacity of the remand centre is exceeded. To provide a greater understanding of the number of prisoners sentenced in the Australian Capital Territory, while presenting an accurate picture of the New South Wales prisoner population, statistics relating to Australian Capital Territory prisoners in New South Wales prisons are presented as a subset of the New South Wales figures. To avoid double counting these prisoners, the 'ACT in NSW' figures presented in the tables are NOT included in the Australian totals. DATA SOURCE 11 Statistics in this publication are derived from information on each prisoner collected by corrective services agencies within each State and Territory. RATES 12 Imprisonment rates enable comparison of prisoner populations across States and Territories. Prisoner rates are expressed per 100,000 adult population, which is in accord with international, State and Territory practice. 13 For the purpose of this publication the adult population figures used in the calculation of rates are for persons aged 17 years and over. While for some States and Territories different ages apply for persons sentenced to adult custody (see Explanatory note, paragraph 6), the use of a single denominator is unlikely to have a major impact on the figures. 14 All estimates and projections for the Australian Capital Territory exclude Jervis Bay Territory. All estimates and projections for Australia exclude the external territories of Christmas Island and the Cocos (Keeling) Islands. 15 Rates for the general adult population are calculated using the preliminary June 2001 Estimated Resident Population figures (refer Appendix 5 and Australian Demographic Statistics, June Quarter 2001 (Cat. no. 3101.0)) which use the results of the 1996 Census of Population and Housing as a benchmark. 16 Imprisonment rates by birthplace figures presented in Table 4 are calculated using June 2000 Estimated Resident Population by Country of Birth data from the Australian Demographic Statistics, June 2001 (Cat. No. 3101.0) as the denominator for each birthplace. Although the denominator data are for a reference period one year earlier than the prisoner census counts by birthplace, it is not anticipated that the difference in reference periods will have a noticeable impact on these rates. 17 Rates for the Indigenous adult population in this publication are based on the projections for 30 June 2001 (refer Appendix 6 and Experimental Projections of the Aboriginal and Torres Strait Islander Population 30 June 1996 to 30 June 2006 (Cat. no. 3231.0)). These projections are in turn based on the results of the 1996 Census of Population and Housing. Two series of these projections have been published. The lower of the two series was used in calculating rates for the Indigenous adult population in this publication. The so-called 'lower series' assumes no change in propensity for people to identify themselves as Indigenous since the 1996 Population Census. LEGAL STATUS 18 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. The classification is as follows: Sentenced
Unsentenced
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 at the time of the National Prisoner Census are as follows:
COURT OF SENTENCE/REMAND 19 The court of sentence/remand refers to whether the offender was sentenced or remanded to custody by the Supreme Court, the District or County Court or the Lower Courts such as the Magistrates' or Childrens Courts. The rules adopted for coding the level of court are:
EPISODE 20 For the purpose of this collection, an episode is defined as the period from an offender's date of reception into custody of a corrective services agency for a particular offence(s)/charge(s) to the time when all warrants holding the person in custody, on remand or under sentence, expire and the person is discharged from custody. DATE OF RECEPTION 21 This is defined as the date the prisoner was originally received into a gazetted prison in a State or Territory for the current episode, regardless of legal status changes since that date and regardless of any authorised or unauthorised temporary leave of absence. Counting rules for persons returning to custody from an escape attempt or parole are as follows:
22 Since the 1996 National Prisoner Census, Victorian and Northern Territory corrective service agencies have supplied the reception date for prisoners according to the following definition: the reception date is the latest date at which the prisoner is received into prison, whether at the commencement of the current episode or after returning to prison after having breached parole or having been captured following escape. SENTENCING 23 Courts can set a term of imprisonment as either a fixed sentence - one that specifies a single term of custody without parole - or a 'parole' sentence comprising a maximum term and a minimum term. Alternatively, courts may not set a term of imprisonment, but rather, may apply an indeterminate sentence of imprisonment such as life. 24 The minimum term is that 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. 25 The total of all fixed term sentences and/or maximum terms for parole sentences is referred to as the 'aggregate' sentence. The 'expected time to serve' refers to 'fixed' sentences minus any remissions allowed or the minimum term of parole sentences minus any remissions allowed. Aggregate sentence 26 The aggregate sentence is the longest period that the offender may be detained under sentence in the current episode. Charges pending which are likely to extend the current episode are ignored. In States and Territories where a new episode is counted when a person returns to prison from parole, the unexpired portion of the prior episode is usually incorporated into the aggregate sentence for the new episode. Expected time to serve 27 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 elapsed between the date of reception for this episode (see Explanatory notes, paragraphs 21-22) and the earliest date of release. 28 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 the Explanatory notes, paragraphs 29-36. 29 In New South Wales, the Sentencing Act 1989 changed the way in which dates of release are calculated compared with previous years. The current sentencing rules are as follows:
30 In Victoria, the calculation is based on the minimum sentence, if one has been imposed. If no minimum sentence has been imposed, the earliest date of release is based on the fixed-term sentence. Time spent in detention prior to the commencement of the sentence counts toward the time expected to be served under sentence. Sentencing rules are:
31 In Queensland, with the exception of sentences of indefinite length such as Life, calculations are based on the date an offender was eligible for parole. Release dates are calculated as follows:
32 In South Australia, the Truth in Sentencing legislation implemented on 1 August 1994 changed the way in which release dates are calculated in comparison to previous years. The major changes to the sentencing legislation affected by the Truth in Sentencing were the abolition of remissions, the requirement for prisoners with an aggregate sentence of five years or more to formally apply to the Parole Board for release on parole, the ability of the Parole Board to release prisoners with an aggregate sentence of five years or more at its discretion and directions for the judiciary to take the abolition of remissions into account when ordering sentences. Prisoners with a non-parole period (NPP) and an aggregate sentence of less than five years continue to be paroled automatically. Release dates for prisoners are now calculated as follows:
33 In Western Australia,
34 In Tasmania the calculation is based on the totality of the sentence liable to be served minus one-third but shall not operate so as to reduce the sentence below three months. 35 In the Northern Territory sentence remissions for new prisoners were abolished on 1 July 1996. Expected time to serve is calculated as follows:
36 Prisoners sentenced in the Australian Capital Territory and who are held in New South Wales prisons are subject to New South Wales calculations for date of release. Mean/median sentence length 37 Prior to 1994, indeterminate sentences were assigned an arbitrary number of years for the purpose of including such sentences in the calculation of mean and median sentence lengths. Life sentences were assumed to have an aggregate sentence length of over 10 years and an average term of 13 years and were included in the calculation of mean and median sentence lengths for both aggregate and expected time to serve. "Governor's /Queen's Pleasure" and 'Forensic Patients' were assumed to average five years for those whose MSO involved violence and three years for all others and were only included in the calculation of mean and median expected time to serve. 38 For the 1994 and subsequent publications, it was decided not to assign values to indeterminate or part-time sentences. Therefore, prisoners with Indeterminate and Periodic detention sentences are excluded from the calculation of the mean and median aggregate and expected time to serve. MOST SERIOUS OFFENCE/CHARGE 39 For sentenced prisoners, 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 the offence with the lowest Australian National Classification of Offences (ANCO) code, which is then mapped to the relevant Australian Standard Offence Classification (ASOC) code (see Appendix 2 for ANCO and ASOC categories, refer to Paragraph 41 for details of the implementation of ASOC). There are some State and Territory variations:
40 For unsentenced prisoners, whether convicted or not, the most serious charge (MSC) is the charge which carries the longest statutory maximum penalty. Where penalties are equal, the MSC is the charge with the lowest ANCO code.
AUSTRALIAN STANDARD OFFENCE CLASSIFICATION 41 For the first time in this publication, the offence categories for national corrective services statistics are based on the Australian Standard Offence Classification (ASOC), 1997 (Cat no. 1234.0). The classification was designed to replace the previous national offence classification, Australian National Classification of Offences (ANCO), 1985 (Cat. no. 1234.0), and to provide a national framework for classifying offences for statistical purposes. A table indicating which ASOC categories have been aggregated for this publication is provided in Appendix 2, which also shows the concordance between ASOC and ANCO. For comparative purposes aggregate national totals by offence category are provided in Appendix 3 (for ASOC) and Appendix 4 (for ANCO). While the ABS is publishing 2001 Prisoner Census offence data based on ASOC, the data supplied by the corrective services agencies was coded according to ANCO. This has required the ABS to map the offence data to the relevant ASOC category. Where there is no direct concordance between the two classifications the ANCO codes have been mapped as closely as possible to the relevant ASOC categories. The ABS will be continuing its work with the data providers to have the ASOC codes used within their systems, to ensure better quality national offence data. FEDERAL OFFENCES 42 These are offences against Commonwealth legislation. They are most commonly offences related to prohibited importations such as illegal drugs, offences involving fraud or forgery against the Commonwealth, and offences against Commonwealth property or involving injury to Commonwealth officers. Persons imprisoned for such offences are generally held in the State or Territory of the sentencing court. DATA COMPARABILITY 43 National corrections statistics are compiled in order to maximise comparability across State and Territories. Although differences have been overcome through the introduction of national standards, some legislative, interpretive and processing differences remain. 44 With the introduction of a new computer system in Western Australia, and the need for some manual intervention during the data extraction and editing processes, there remains some concern about the quality of Western Australia corrective services data. There are possible impacts on the quality of data associated with legal status, date of reception, aggregate sentence, expected time to serve, most serious offence and time on remand. DATA QUALITY 45 To ensure that the statistics are as reliable as possible the ABS has employed a number of measures. For example, a range of edit checks identify erroneous data and these are queried and resolved by the ABS in consultation with the relevant State and Territory representative. RELATED PUBLICATIONS ABS publications 46 ABS publications which may be of interest include: Australian Standard Offence Classification (Cat. no. 1234.0)-irregular Corrective Services, Australia (Cat. no. 4512.0)-issued quarterly Crime and Safety, Australia (Cat. no. 4509.0)-irregular Higher Criminal Courts, Australia (Cat. no. 4513.0)-issued annually Recorded Crime, Australia (Cat. no. 4510.0)-issued annually 47 Current ABS publications are listed in the Catalogue of Publications and Products (Cat. no. 1101.0) which is available on this site. The National Centre for Crime and Justice Statistics releases a biannual newsletter that is published on the ABS internet site. The Centre can be contacted by email through crime.justice@abs.gov.au. Document Selection These documents will be presented in a new window.
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