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QUALITY DECLARATION - SUMMARY
The number of underemployed workers contributes to measuring underutilised labour resources in the economy.
The Underemployed Workers Survey is conducted annually during September as a supplement to the monthly Labour Force Survey. Results from this survey are released approximately six months after the completion of enumeration (i.e. during February) in the publication Underemployed Workers, Australia (cat. no. 6265.0).
The Underemployed Workers Survey is expected to be conducted again in September 2010.
The LFS sample size in September 2009 was approximately 9% higher than the sample size in September 2008. This were due to a re-instated sample that was reduced from Labour Force Survey (LFS) and supplementary surveys from July 2008. Detailed information about the sample reduction and re-instatement is provided in Information Paper: Labour Force Survey Sample Design, Nov 2007 (Third edition) (cat. no. 6269.0). The re-instated sample will still be representative, with selections made across all parts of Australia.
Estimates from the Underemployed Workers Survey are subject to sampling and non-sampling errors. Relative standard error (RSE) is a measure of the size of the sampling error affecting an estimate, i.e. the error introduced by basing estimates on a sample of the population rather than the full population. Non-sampling errors are inaccuracies that occur due to imperfections in reporting by respondents and interviewers, and errors made in coding and processing data.
The Underemployed Workers Survey was designed primarily to provide estimates at the Australia level. Broad estimates are available for State or Territory and Capital city/Balance of state/territory. Users should exercise caution when using estimates at these level because of the presence of high sampling errors. RSEs are available for all estimates in the Technical Note of the publication.
The Underemployed Workers Survey is the primary ABS data source on underemployment. Summary information is also collected in the Labour Force Survey on a quarterly basis.
The conceptual framework used for this survey is described in Chapter 5 of Labour Statistics: Concepts, Sources and Methods (cat. no. 6102.0.55.001). The statistics in this survey are comparable with other labour statistics produced by the ABS. The ABS definition of underemployment is consistent with the International Labour Organisation definition of time-related underemployment adopted in 1998.
The ABS has been conducting the Underemployed Workers Survey irregularly since 1985, and annually since 1994. Key changes made to the Underemployed Workers Survey since 1994 include:
For more information on changes to the survey see Chapter 21.14 of Labour Statistics: Concepts, Sources and Methods (cat. no. 6102.0.55.001).
The Underemployed Workers publication contains tables with footnoted data and a Summary of Findings to aid interpretation of the results of the survey. Detailed Explanatory Notes, a Technical Note and a Glossary are also included providing information on the terminology, classifications and other technical aspects associated with these statistics.
Further commentary is often available through articles and data published in other ABS products, including:
Underemployed Workers, Australia (cat. no. 6265.0) is released electronically via the ABS website as a PDF publication. Additional data may be available on request (Subject to data quality). For a list of data items available see Appendix 2 of the publication. Note that detailed data can be subject to high relative standard errors and in some cases may result in data being confidentialised.
Labour underutilisation measures were published in Underemployed Workers, Australia (cat. no. 6265.0) in 2006-2008 however are no longer presented in this publication. These measures are published annually in the April issue of Australian Labour Market Statistics (cat. no. 6105.0) and within Measures of Australia's Progress: Summary Indicators (cat. no. 1383.0.55.001). From August 2009 they are also presented in the monthly Labour Force Survey (cat. no. 6202.0).
For further information about these or related statistics, contact the National Information and Referral Centre on 1300 135 070 or the Labour Market Section in Canberra on (02) 6252 7206 or via email to <email@example.com>.
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