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6602.0 - Microdata: Longitudinal Labour Force, Australia, 2008-10 Quality Declaration 
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 10/12/2012  First Issue
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Contents >> Survey Methodology >> Sample design


SURVEY METHODOLOGY

<< Previous Section: Introduction


SAMPLE DESIGN

The Labour Force Survey (LFS) is based on a multi-stage area sample of private dwellings (currently approximately 29,000 houses, flats, etc.) and a list sample of non-private dwellings (hotels, motels, etc.), and covers approximately 0.33% of the civilian population of Australia aged 15 years and over.

The current Labour Force Survey sample has been selected using information collected in the 2006 Census of Population and Housing. While the design has remained broadly the same since the introduction of the LFS, the review ensures that the survey continues to accurately reflect the geographic distribution of the Australian population, and remains efficient and cost-effective.

The majority of this sample was phased in over the period November 2007 to June 2008, with one-eighth of this portion of the sample being introduced every month. Such a pattern of implementation means that any changes to labour force estimates due to differences between the two samples, or any other influences, were spread over the eight months. The remainder of the sample (about 20% of the total), which covers less settled areas and non-private dwellings was rotated in full for New South Wales, Western Australia, Northern Territory and Australian Capital Territory in March 2008, and for Victoria, Queensland, South Australia and Tasmania in April 2008.

As one of a range of ABS savings initiatives for the 2008-09 financial year, there was a 24% reduction in the LFS sample size for the period July 2008 to August 2009, relative to the June 2008 sample size. The sample reduction was reversed from September 2009 to December 2009, with December 2009 estimates being the first produced under the fully reinstated sample. This also affected the sample size of the supplementary surveys run over this period. Beware of interpreting results over this span, as the decreased sample size results in more variability in the estimates.

Graph: Shows the drop in sample size over the period July 2008 to December 2009.

For further details, see Information Paper: Labour Force Survey Sample Design (cat. no. 6269.0).


Related Information

Labour Force, Australia: Explanatory Notes - 21. Labour Force Survey Sample (cat. no. 6202.0)
Labour Statistics: Concepts, Sources and Methods: 17. Overview of Survey Methods - 17.24 Sample Design and Sampling Techniques (cat. no. 6102.0.55.001)
Labour Statistics: Concepts, Sources and Methods: 20. Labour Force Survey - 20.13 Sample Design (cat. no. 6102.0.55.001)
Information Paper: Labour Force Survey Sample Design (cat. no. 6269.0)

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