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Perth Metropolitan Area

Household income quartiles

In the Perth Metropolitan Area, the 'highest' quartile was the largest group in 2011, comprising 26% of households with income.

Households form the common 'economic unit' in our society. Household Income is one of the most important indicators of socio-economic status. With other data sources, such as Qualifications and Occupation, it helps to reveal the Perth Metropolitan Area's socio-economic status and economic opportunities. Household income levels are not comparable over time because of the influences of economic change such as wage level fluctuations and inflation. The income quartile method is a powerful and objective way of looking at income data and in particular, how it is changing.

A detailed explanation of how Household Income quartiles are calculated and interpreted is available in specific data notes.

Derived from the Census question:

'What is the total of all wages/salaries, government benefits, pensions, allowances and other income the person usually receives?'

Households

Household income quartiles
Perth Metropolitan Area - Households (Enumerated)20112006Change
Quartile groupNumber%Greater Perth %Number%Greater Perth %2006 to 2011
Lowest group133,36724.024.0119,79624.424.4+13,571
Medium lowest136,61724.524.5121,83024.824.8+14,787
Medium highest141,76125.525.4122,55525.025.0+19,206
Highest group145,02926.026.1126,98425.925.9+18,045

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

Household income - Quartile group dollar ranges
Calculated from income data for Western Australia Weekly income by Census year
Household income ranges
2011
2006
2001
1996
1991
Lowest group $0 to $693 $0 to $565 $0 to $416 $0 to $348 $0 to $305
Medium lowest $694 to $1,405 $566 to $1,062 $417 to $783 $349 to $651 $306 to $556
Medium highest $1,406 to $2,507 $1,063 to $1,774 $784 to $1,311 $652 to $1,094 $557 to $910
Highest group $2,508 and over $1,775 and over $1,312 and over $1,095 and over $911 and over

Household income quartiles, 2011
Household income quartiles, 2011 Highest group, Greater Perth: 26.1% Medium highest, Greater Perth: 25.4% Medium lowest, Greater Perth: 24.5% Lowest group, Greater Perth: 24.0% Highest group, Perth Metropolitan Area: 26.0% Medium highest, Perth Metropolitan Area: 25.5% Medium lowest, Perth Metropolitan Area: 24.5% Lowest group, Perth Metropolitan Area: 24.0%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Enumerated data)
Compiled and presented in profile.id by .id, the population experts.
Change in household income quartile, 2006 to 2011
Change in household income quartile, 2006 to 2011 Highest group, Perth Metropolitan Area: +18,045 Medium highest, Perth Metropolitan Area: +19,206 Medium lowest, Perth Metropolitan Area: +14,787 Lowest group, Perth Metropolitan Area: +13,571
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (Enumerated data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Income quartiles allow us to compare relative income-earning capabilities across time. Analysis of the distribution of households by income quartile in Perth Metropolitan Area compared to Greater Perth shows that there was similar proportion of households in the highest income quartile as well as a similar proportion in the lowest income quartile.

Emerging groups

The most significant change in Perth Metropolitan Area between 2006 and 2011 was in the medium highest quartile which showed an increase of 19,206 households.

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