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City of Darwin

Equivalised household income

Assuming all households were the same size, the 'highest' quartile was the largest income group in City of Darwin in 2011.

While Household Income is a useful measure, it is difficult to tell if changes over time and between geographic areas are due to actual changes in income levels, or due to changes in household size and composition. For example, an increase in lower income households could be due to job losses in key economic sectors, or simply due to decreasing household size as adult children leave home.

Equivalised Household Income puts all households on an equal footing independent of household size and composition to enable a true comparison between areas and over time. It is an indicator of the income resource available to a household of standard size and is the best measure of the changing economic fortunes of households living in City of Darwin.

A detailed explanation of how Equivalised 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?'

Family, group and lone person households

Equivalised household income quartiles
City of Darwin - Households (Enumerated)20112006Change
Quartile groupNumber%Greater Darwin %Number%Greater Darwin %2006 to 2011
Lowest group4,01019.119.43,75818.818.8+252
Medium lowest5,14724.625.94,93424.726.5+214
Medium highest5,43626.026.85,33726.827.3+99
Highest group6,35430.327.85,91729.727.4+437

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

Equivalised household income - Quartile group dollar ranges
Calculated from income data for Northern Territory Weekly income by Census year
Equivalised household income ranges
2011
2006
2001
Lowest group $0 to $566 $0 to $402 $0 to $308
Medium lowest $567 to $1,014 $403 to $749 $309 to $583
Medium highest $1,015 to $1,483 $750 to $1,154 $584 to $893
Highest group $1,484 and over $1,155 and over $894 and over

Equivalised household income quartiles, 2011
Equivalised household income quartiles, 2011 Highest group, Greater Darwin: 27.8% Medium highest, Greater Darwin: 26.8% Medium lowest, Greater Darwin: 25.9% Lowest group, Greater Darwin: 19.4% Highest group, City of Darwin: 30.3% Medium highest, City of Darwin: 26.0% Medium lowest, City of Darwin: 24.6% Lowest group, City of Darwin: 19.1%
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 equivalised household income quartiles, 2006 to 2011
Change in equivalised household income quartiles, 2006 to 2011 Highest group, City of Darwin: +437 Medium highest, City of Darwin: +99 Medium lowest, City of Darwin: +214 Lowest group, City of Darwin: +252
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

Equivalised income quartiles allow us to compare relative income-earning capabilities across time. Because the data is equivalised, households of different size and composition are placed on an equal footing.

Analysis of the distribution of households by income quartile in City of Darwin compared to Greater Darwin shows that there was a greater proportion of households in the highest equivalised income quartile, and a similar proportion in the lowest equivalised income quartile.

Emerging groups

The most significant change in City of Darwin between 2006 and 2011 was in the highest quartile which showed an increase of 437 households.

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