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Australia

Individual income quartiles

In Australia, the 'lowest' income quartile was the largest group in 2011, comprising 25% of people aged 15 and over.

Australia's income statistics are an indicator of socio-economic status. With other data sources, such as Household Income, Qualifications and Occupation, they help tell the story of the area's economic opportunities and socio-economic status. Individual 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 the most objective method of comparing change in the income profile of a community over time.

A detailed explanation of how Individual 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?'

Gross amount for persons aged 15 years and over

Individual income quartiles
Australia - Persons aged 15+ (Usual residence)20112006Change
Quartile groupNumber%Greater Capital Cities %Number%Greater Capital Cities %2006 to 2011
Lowest group4,006,62325.025.13,617,07225.024.8+389,551
Medium lowest4,006,62225.022.93,617,07225.023.0+389,551
Medium highest4,006,62225.024.93,617,07325.024.9+389,549
Highest group4,006,62325.027.13,617,07225.027.3+389,550

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

Individual income - Quartile group dollar ranges
Calculated from income data for New South Wales - Total persons aged 15+ Weekly income by Census year
Individual quartile ranges
2011
2006
2001
Lowest group $0 to $271 $0 to $211 $0 to $182
Medium lowest $272 to $576 $212 to $466 $183 to $375
Medium highest $577 to $1,096 $467 to $877 $376 to $685
Highest group $1,097 and over $878 and over $686 and over

Individual income quartiles, 2011
Individual income quartiles, 2011 Highest group, Greater Capital Cities: 27.1% Medium highest, Greater Capital Cities: 24.9% Medium lowest, Greater Capital Cities: 22.9% Lowest group, Greater Capital Cities: 25.1% Highest group, Australia: 25.0% Medium highest, Australia: 25.0% Medium lowest, Australia: 25.0% Lowest group, Australia: 25.0%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in individual income quartiles, 2006 to 2011
Change in individual income quartiles, 2006 to 2011 Highest group, Australia: +389,550 Medium highest, Australia: +389,549 Medium lowest, Australia: +389,551 Lowest group, Australia: +389,551
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (Usual residence 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 the population by income quartile in Australia compared to Greater Capital Cities shows that there was lesser proportion of persons in the highest income quartile and a similar proportion in the lowest income quartile.

Emerging groups

The most significant change in Australia in persons between 2006 and 2011 was in the medium lowest quartile which showed an increase of 389,551 persons.

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