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Whangarei District Council

Household income quartiles

In the Whangarei District Council, the 'lowest' quartile was the largest group in 2018, comprising 31.3% 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 Educational Qualifications and Occupation, it helps to reveal the Whangarei District Council'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:

'From all sources of income identified, what will the total income be:

  • that you got yourself
  • before tax or anything was taken out of it
  • in the 12 months that will end on 31 March 2018'

Persons aged 15 years and over

Household income quartiles
Whangarei District Council20182006Change
Quartile groupNumber%New Zealand %Number%New Zealand %2006 to 2018
Lowest group7,69831.325.06,71029.525.0+988
Medium lowest6,85827.925.06,20427.325.0+654
Medium highest5,80723.625.05,57124.525.0+236
Highest group4,25217.325.04,25518.725.0-3

Source: Statistics New Zealand, Census of Population and Dwellings 2006 and 2018. Compiled and presented in profile.id by .id , the population experts.

Household income - Quartile group dollar ranges
Calculated from income data for New Zealand Annual income by Census year
Household income ranges
2013
2006
2001
Lowest group $0 to $33,001 $0 to $25,168 $0 to $20,627
Medium lowest $33,002 to $63,996 $25,169 to $51,433 $20,628 to $39,587
Medium highest $63,996 to $109,431 $51,433 to $89,107 $39,587 to $67,291
Highest group $109,431 and over $89,107 and over $67,291 and over

Household income quartiles, 2018
Household income quartiles, 2018 Highest group, New Zealand: 25.0% Medium highest, New Zealand: 25.0% Medium lowest, New Zealand: 25.0% Lowest group, New Zealand: 25.0% Highest group, Whangarei District Council: 17.3% Medium highest, Whangarei District Council: 23.6% Medium lowest, Whangarei District Council: 27.9% Lowest group, Whangarei District Council: 31.3%
Source: Statistics New Zealand, Census of Population and Dwellings, 2018
Compiled and presented by .id, the population experts.
Change in household income quartile, 2006 to 2018
Change in household income quartile, 2006 to 2018 Highest group, Whangarei District Council: -3 Medium highest, Whangarei District Council: +236 Medium lowest, Whangarei District Council: +654 Lowest group, Whangarei District Council: +988
Source: Statistics New Zealand, Census of Population and Dwellings, 2006 and 2018
Compiled and presented 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 Whangarei District Council compared to the New Zealand shows that there was a lesser proportion of households in the highest income quartile, and a greater proportion in the lowest income quartile.

Emerging groups

The most significant change in Whangarei District Council between 2006 and 2018 was in the lowest quartile which showed an increase of 988 households.

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