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SEIFA

Socio-Economic Indexes for Areas (SEIFA) are summary measures of the social and economic conditions of geographic areas across Australia. Using data from the five–yearly Census of Population and Housing, the Australian Bureau of Statistics (ABS) has produced four different SEIFA index measures, which concentrate on different aspects of social and economic conditions in statistical areas level 1 (SA1s) and other levels of geography for 2016 and 2011, and collection districts (CDs) for 2006 and prior. All of the indexes have been constructed to ensure that areas with relative disadvantage have low index values.

Understanding Area & Population Quantiles

This publication provides details on the difference between equal count and population based quantiles, along with how each are calculated.

Release PDF PDF Size
SEIFA: Understanding Area & Population Quantiles - Fact sheet pdf (25 kB)

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2016 SEIFA

Queensland Government Statistician's Office has developed some SEIFA tables for SA1, SA2 and local government area (LGA) which provide a breakdown of population within each quantile. Quantiles can be calculated a number of ways. Two common methods are "weighted" and "equal counts". The weighted method divides the data into even groups (quantiles), where each group has the same population (available for download based on rankings within Queensland, below). The equal count method divides the data into even groups where each group has the same number of regions. Equal count deciles can be downloaded from the ABS website. The SEIFA indexes are also available free of charge on the ABS website. The indexes based on 2016 census data are available for Australia and for all states and territories. For a more detailed explanation of SEIFA, see the ABS SEIFA 2016 technical paper (PDF, 400 kB).

The ABS has compiled a fact sheet describing the different SEIFA area (equal count) and population quantile methods, which is also available for download, below.

Release XLS XLS Size
Disadvantage - Local government areas (2016), 2016 xls (20 kB)
Disadvantage - Statistical Area Level 2 (SA2), 2016 xls (70 kB)
Disadvantage - Statistical Area Level 1 (SA1), 2016 xls (485 kB)
Advantage/Disadvantage - Local government areas (2016), 2016 xls (20 kB)
Advantage/Disadvantage - Statistical Area Level 2 (SA2), 2016 xls (675 kB)
Advantage/Disadvantage - Statistical Area Level 1 (SA1), 2016 xls (485 kB)

If you need help with any of the file types above, please see our help page.

2011 SEIFA

Queensland Government Statistician's Office has developed some SEIFA tables for SA1, SA2, statistical local area (SLA) and local government area (LGA) which provide a breakdown of population within each quintile. Equal count deciles can be downloaded from the ABS website. The SEIFA indexes are also available free of charge on the ABS website. The indexes based on 2011 census data are available for Australia and for all states and territories. For a more detailed explanation of SEIFA, see the ABS SEIFA 2011 technical paper (PDF, 1,120 kB).

Release XLS XLS Size
Disadvantage - Statistical local areas xls (130 kB)
Disadvantage - Local government areas (2014) xls (40 kB)
Disadvantage - Statistical Area Level 2 (SA2) xls (140 kB)
Disadvantage - Statistical Area Level 1 (SA1) xls (1,135 kB)
Advantage/Disadvantage - Statistical local areas xls (125 kB)
Advantage/Disadvantage - Local government areas (2014) xls (45 kB)
Advantage/Disadvantage - Statistical Area Level 2 (SA2) xls (135 kB)
Advantage/Disadvantage - Statistical Area Level 1 (SA1) xls (1,125 kB)

If you need help with any of the file types above, please see our help page.

2006 SEIFA

Queensland Government Statistician's Office also developed some SEIFA 2006 tables for SLA and LGA which provide a breakdown of population within each quintile. The SEIFA indexes are available free of charge on the ABS website. The indexes based on 2006 census data are available for Australia and for all states and territories. For a more detailed explanation of SEIFA, see the ABS SEIFA 2006 information paper and the ABS SEIFA 2006 technical paper.

Release CSV CSV Size
Quintile equal count - Local government areas csv (15 kB)
Quintile equal count - Statistical local areas csv (40 kB)
Quintile population weighted - Local government areas csv (15 kB)
Quintile population weighted - Statistical local areas csv (40 kB)

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2001 SEIFA

Indexes based on 2001 census data are also available on the ABS website for 2001.

Release PDF PDF Size
A Summary of Socio-Economic Indexes for Areas (2001) pdf (55 kB)

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2001 Indigenous/non-Indigenous SEIFA

On behalf of Queensland Government, the ABS has developed the following index of socio-economic advantage/disadvantage, stratified by Indigenous status. This index can be used to compare the advantage and disadvantage experienced by the Indigenous and non-Indigenous sub-populations at the statistical local area level.

The ABS does not support the use of this index as a measure of Indigenous disadvantage. This index has been created for a specific purpose, to test a theory that Indigenous disadvantage in an area is being masked by non-Indigenous disadvantage. It is not an Indigenous disadvantage index.

This index uses the weights for the Indigenous and non-Indigenous population and applies these to the Indigenous population. Using the weights calculated for all persons may underestimate disadvantage for Indigenous persons, because the non-Indigenous disadvantage is masking the greater Indigenous disadvantage in the calculation of weights for each variable (eg, low income, unemployment, etc).

Release Type File Size
Final report pdf (4,065 kB)
Statistical local areas csv (95 kB)

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Last reviewed 18 April 2018