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Although the question on Indigenous origin allows people to identify as solely Aboriginal, solely Torres Strait Islander, or as both Aboriginal and Torres Strait Islander, it is not feasible to derive separate employment statistics for these three groups because of the small numbers of Indigenous people in the LFS sample.
The LFS has a monthly sample of around 63,000 people aged 15 years and over, in urban, rural and remote areas across all states and territories of Australia. This sample size is sufficient to provide reliable monthly estimates of level and change in the major labour force characteristics of the total population for Australia and for each state and territory. However, the survey sample is not specifically designed to provide monthly estimates for small population groups, such as the Indigenous population, or for small geographic areas.
The methodology used to produce the 2002, 2003, 2004 and 2005 labour force estimates for Indigenous Australians combined the LFS samples for each of the twelve months of the year. This pooling results in a sample of approximately 13,800, 12,200, 12,100 and 11,600 Indigenous people respectively. This sample size is adequate for providing broad aggregates of labour force characteristics at the state and territory level. However, the sample size per year for Indigenous people is still quite small, resulting in constraints on the level of disaggregated data available from the survey. Note that as the sample is pooled from monthly data throughout the year, and most people are interviewed for the LFS in more than one month (up to eight consecutive months), the number of individuals interviewed each year (e.g. 3,300 in 2005) is substantially lower than the sample used in producing the estimates (11,600 in 2005).
In remote areas of Australia, the LFS sample is more clustered than in non-remote areas, so that the majority of the survey's sample of Indigenous people living in remote communities is collected from a relatively small number of communities. This has significant implications for estimates for Indigenous persons in remote areas, as there is a high degree of variability between Indigenous communities with respect to employment opportunities, and to the labour force characteristics of community residents. A key factor here is whether the Community Development Employment Projects (CDEP) scheme has been implemented locally. CDEP schemes operate in many remote communities and can be a major source of paid employment for community residents. Conceptually, the participants in a CDEP scheme are considered to be employed in the LFS; however, the LFS does not currently separately identify whether an Indigenous person or community is participating in a CDEP scheme. Options for separately identifying CDEP participation in the LFS, through the inclusion of additional questions, are currently being investigated.
Not all Indigenous communities in remote areas participate in the CDEP scheme. However, in a community with a CDEP scheme, the majority of adult members of the community could have an 'employed' labour force status when surveyed in the LFS if they worked in the reference week. Because of the small number of Indigenous communities selected in the LFS, there is the potential for wide statistical fluctuations in estimates of labour force characteristics of remote Indigenous communities over time if the sample moves from communities participating in CDEP to those which do not (and vice versa).
As part of the estimation process, the LFS estimates of Indigenous persons employed, unemployed and not in the labour force are calculated in such a way as to add to independent estimates of the size and structure of the Indigenous population. Independent population estimates (benchmarks) for the Indigenous population aged 15 years and over by sex, broad age groups and remoteness type, for each state and territory of Australia, as at 30 June, were used for each year of estimates (i.e. 2002, 2003, 2004 and 2005). These benchmarks reflect the published low series population projections in Experimental Estimates and Projections, Aboriginal and Torres Strait Islander Australians (cat. no. 3238.0). Where information in this publication is presented by geographic area (such as remoteness, or state or territory), this data is based on a respondent's place of enumeration.
Standard LFS definitions and concepts are presented in the Explanatory Notes. However, there are some issues specific to Indigenous labour force estimates which are discussed here.
In the LFS, employment is defined as working for at least one hour, either for pay or profit, or as unpaid work in a family business; or being absent from work but remaining formally attached. Persons who participate in labour market programs are counted as employed, unemployed or not in the labour force according to how they respond to questions in the LFS about their actual activity in the week before interview.
The CDEP scheme is a program provided by the Federal Government for (primarily) Aboriginal and Torres Strait Islander people living in remote, rural and urban areas. It enables an Indigenous community or organisation to pool the unemployment benefit entitlements of individuals into direct wages for those people who choose to participate in local employment in various community development or organisation programs as an alternative to receiving individual income support payments. The relationship between CDEP organisations and the individual participants who are undertaking paid work is treated by ABS as an employer-employee relationship. The individual participants are considered to be in paid employment, even though they are paid for their work from funds originating as unemployment benefits. It is unclear at this stage whether changes to the CDEP scheme resulting from recent government reviews will impact on how such activity is classified by the ABS in the future. To facilitate analysis of CDEP participants, the ABS is currently investigating options for their separate identification in the LFS.
The definition of unemployment is based around the concepts of actively looking for work and being available to start work. Where job opportunities are scarce or may not exist, such as in some remote parts of Australia, there may be little incentive to actively look for work. As a result, there may be relatively little unemployment measured in such regions, with the population who are not employed falling mainly into the 'not in the labour force' category.
RELIABILITY OF ESTIMATES
When reading the following summary of findings, or using the data presented in the tables section, it is important to consider the relative strengths and weaknesses of the LFS as a data source for Indigenous labour force information. It is also important to remember that all LFS estimates are subject to sampling errors. This is particularly relevent to these Indigenous estimates because of the small size of the Indigenous population and the small number of Indigenous persons in the LFS sample. These estimates are also subject to non-sampling errors due to particular collection difficulties in remote areas, in addition to imperfections in reporting, recording or processing of data that can occur in any survey or census.
The Technical Note provides more information about the reliability of estimates based on a sample survey. However, in general terms, very small estimates are subject to high sampling errors (relative to the size of the estimate). Estimates with a relative standard error (RSE) of 25% or greater would not be suitable for most practical purposes. These estimates are indicated by an asterisk (*) in the tables presented in this publication. The actual standard errors for level estimates are provided in the Technical Note tables L1 to L5.
High standard errors can mean that apparent differences in the estimates may not be statistically significant. For example, the estimated number of Indigenous people unemployed in Major Cities decreased from 9,100 in 2004 to 8,300 in 2005. However, the standard error on this movement (1,200) means that this decrease is not statistically significant. The standard errors of the year to year movements are provided in the Technical Note tables M1 to M5.
Comparisons over time of Indigenous labour force characteristics should be interpreted with particular caution. It is important to take into account the high standard errors associated with annual movements.
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