City of MandurahEconomic profile
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City of Mandurah

Resident workers (Regional) - Individual income quartiles

In the City of Mandurah, the 'lowest' quartile is the largest group, comprising 27% of regional labour force.

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 regional resident workers, 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, Occupation, Qualification and the Age structure of the regional labour force, so the data should be looked at in conjunction with these topics.

The City of Mandurah resident worker region is defined by an area in which a significant percentage of workers travelled into the City of Mandurah to work at the 2011 Census. Details of this calculation and a list of areas included can be found in the data notes, while the boundary of the region is mapped on the about the area page.

Australian Bureau of Statistics (ABS) – Census 2006 and 2011 – by usual residence

Regional resident workers individual income quartiles
City of Mandurah20112006Change
Quartile groupNumber%Western Australia %Number%Western Australia %2006 to 2011
Lowest group22,11327.025.016,16126.025.0+5,952
Medium lowest20,19624.725.015,14324.325.0+5,053
Medium highest19,79324.225.014,75823.725.0+5,035
Highest group19,75524.125.016,18126.025.0+3,574

Source: Derived from the Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented in profile.id by .id , the population experts.

Quartile group dollar ranges (Individuals)
Calculated from income data for Western Australia Weekly income by Census year
Individual quartile ranges
2011
2006
Lowest group $0 to $582 $0 to $437
Medium lowest $583 to $997 $438 to $742
Medium highest $998 to $1,590 $743 to $1,170
Highest group $1,591 and over $1,171 and over

Regional resident workers individual income quartiles, 2011
Regional resident workers individual income quartiles, 2011 Highest group, Western Australia: 25.0% Medium highest, Western Australia: 25.0% Medium lowest, Western Australia: 25.0% Lowest group, Western Australia: 25.0% Highest group, City of Mandurah: 24.1% Medium highest, City of Mandurah: 24.2% Medium lowest, City of Mandurah: 24.7% Lowest group, City of Mandurah: 27.0%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011
Compiled and presented in economy.id by .id, the population experts.
Change in regional resident workers individual income quartiles, 2006 to 2011
Change in regional resident workers individual income quartiles, 2006 to 2011 Highest group, City of Mandurah: +3,574 Medium highest, City of Mandurah: +5,035 Medium lowest, City of Mandurah: +5,053 Lowest group, City of Mandurah: +5,952
Population and household forecasts, [Start] to [End], prepared by .id the population experts, [ReleaseMonth] [ReleaseYear].

Dominant groups

Income quartiles allow us to compare relative income-earning capabilities across time. Analysis of the distribution of the regional labour force by income quartile in City of Mandurah compared to Western Australia shows that there was similar proportion of people in the highest income quartile, as well as a similar proportion in the lowest income quartile.

Emerging groups

The most significant change for the regional labour force in City of Mandurah between 2006 and 2011 was in the lowest quartile which showed an increase of 5,952 people.

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