Individual Income is an indicator of socio-economic status, skills and occupations required in a particular industry. With other data sources, such as Qualifications and Occupation, it helps to evaluate the economic opportunities of people in an industry.
Income quartiles are used to condense income categories into manageable units, adjust for the effects of inflation, and allow areas to be compared over time relative to a benchmark. The incomes for the state are split into four equal groups, each containing 25% of the local labour force, and the quartiles allow users to compare changes in the local area to changes statewide, or against another benchmark. For more information on how quartiles are calculated please refer to the data notes.
As well as being related to the type of jobs and qualifications required in a particular industry, income levels can be related to the level of part-time employment, Occupations, Qualification and the Age structure of the local resident workers, so the data should be looked at in conjunction with these topics.
Data source
Australian Bureau of Statistics (ABS) – Census 2016 and 2021 – by usual residence
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| Resident workers individual income quartiles | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| RDA BGLAP Region - Persons | 2021 | 2016 | Change | ||||||
| Quartile group | Number | % | South Australia | Number | % | South Australia | 2016 - 2021 | ||
| Lowest group | 9,222 | 25.5 | 25.0 | 8,061 | 25.2 | 25.0 | +1,162 | ||
| Medium lowest | 9,363 | 25.9 | 25.0 | 8,131 | 25.4 | 25.0 | +1,231 | ||
| Medium highest | 9,425 | 26.1 | 25.0 | 8,454 | 26.4 | 25.0 | +972 | ||
| Highest group | 8,122 | 22.5 | 25.0 | 7,330 | 22.9 | 25.0 | +792 | ||
| Total Persons | 36,132 | 100.0 | 100.0 | 31,976 | 100.0 | 100.0 | +4,156 | ||
Source: Derived from the Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented .id (informed decisions). Please refer to specific data notes for more information | |||||||||
| Quartile group dollar ranges (Individuals) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Quartile group dollar ranges (Individuals) | Weekly income by Census year | ||||||||
| Individual quartile ranges | 2021 | 2016 | |||||||
| Lowest group | $0 to $586 | $0 to $520 | |||||||
| Medium lowest | $587 to $938 | $521 to $838 | |||||||
| Medium highest | $939 to $1,433 | $839 to $1,254 | |||||||
| Highest group | $1,434 and over | $1,255 and over | |||||||
Dominant groups
Income quartiles allow us to compare relative income-earning capabilities across time. Analysis of the distribution of the resident workers by income quartile in RDA BGLAP Region compared to South Australia shows that there was lesser proportion of persons in the highest income quartile, and a greater proportion in the lowest income quartile.
Emerging groups
The most significant change for the resident workers in RDA BGLAP Region between 2016 and 2021 was in the medium lowest quartile which showed an increase of 1,231 resident.