What is SEIFA based on?

Socio-Economic Indexes for Areas (SEIFA) is an ABS product that ranks areas in Australia according to relative socio-economic advantage and disadvantage. The indexes are based on information from the five-yearly Census of Population and Housing.

How is SEIFA calculated?

A SEIFA score is created using information about people and households in a particular area. This score is standardised against a mean of 1000 with a standard deviation of 100. This means that the average SEIFA score will be 1000 and the middle two-thirds of SEIFA scores will fall between 900 and 1100 (approximately).

What 4 indexes make up an SEIFA score?

This section outlines the key details of the process used to derive each of the four SEIFA indexes: IRSD, IRSAD, IER and IEO. Each index is a weighted combination of different Census variables.

What is SEIFA disadvantage?

The Index of Relative Socio-economic Disadvantage (IRSD) is a general socio-economic index that summarises a range of information about the economic and social conditions of people and households within an area. Unlike the other indexes, this index includes only measures of relative disadvantage.

What is SEIFA decile?

Area-based deciles are easy to interpret as SEIFA is designed and constructed as an area-based measure. Population-based deciles are calculated by dividing SEIFA areas into 10 equal groups in such a way that the population in each group is approximately equal. The area-based deciles are recommended for general use.

What is a low SEIFA?

A lower score indicates that an area is relatively disadvantaged compared to an area with a higher score. It is important to remember that the scores are an ordinal measure (discussed in more detail in the “How to Use SEIFA” section), so care should be taken when comparing scores.

What does a low SEIFA score mean?

What is a low socioeconomic area?

Postal areas in the bottom 25% of the population aged 15 64 are classified as low SES (the middle 50% are classified as medium SES and the top 25% are classified as high SES). …

What is SEIFA rating?

Socio-Economic Indexes for Areas (SEIFA) is a product developed by the ABS that ranks areas in Australia according to relative socio-economic advantage and disadvantage. The indexes are based on information from the five-yearly Census.