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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 2013?'

New Zealand
Household income quartiles

Household income groups are not comparable over time because of the influences of economic change such as wage level fluctuations and inflation. The income quartile method has been adopted as the most objective method of comparing change in the income profile of a community over time. Because the quartile method derives 4 equal groups from income ranges collected by Stats New Zealand, the exact 25%, 50% and 75% cutoffs rarely fall exactly on the end of a collection range. Where they cross a range, the approximate point in the range where the cutoff would fall is estimated automatically. An inherent assumption with this method is that the income $ values within the range are uniformly distributed through the range. While this is unlikely to be the case, in the absence of other information, it is the only reasonable assumption, and when calculated for large populations (e.g. The whole of New Zealand), is a close enough approximation of reality to provide meaningful results. Quartile ranges are calculated from New Zealand total population household income data.

The data in these household tables is the number of individuals with a certain household income, rather than number of households. Household data excludes people temporarily absent from their usual residence on census night.

Household income quartiles
New Zealand - Rohe20132006Change
Quartile groupNumber of Māori within New Zealand% of Māori within New ZealandNew Zealand Māori population %Number of Māori within New Zealand% of Māori within New ZealandNew Zealand Māori population %2006 to 2013
Lowest group111,95821.321.389,37318.818.8+22,585
Medium lowest134,85525.725.7123,18026.026.0+11,675
Medium highest145,90827.827.8137,68429.029.0+8,224
Highest group132,85725.325.3124,01126.126.1+8,846

Source: Statistics New Zealand, Census of Population and Dwellings 2006 and 2013.

Quartile dollar ranges (Individuals in households)
Calculated from household income data for New Zealand total populationAnnual income by Census year
Household income quartile ranges20132006
Lowest group$0 to $33,318$0 to $26,664
Medium lowest$33,319 to $63,996$26,665 to $51,433
Medium highest$63,997 to $109,431$51,434 to $89,107
Highest group$109,432 and over$89,108 and over

Household income quartiles, 2013
Household income quartiles, 2013 Highest group, New Zealand Māori population: 25.3% Medium highest, New Zealand Māori population: 27.8% Medium lowest, New Zealand Māori population: 25.7% Lowest group, New Zealand Māori population: 21.3% Highest group, Rohe - New Zealand Māori population: 25.3% Medium highest, Rohe - New Zealand Māori population: 27.8% Medium lowest, Rohe - New Zealand Māori population: 25.7% Lowest group, Rohe - New Zealand Māori population: 21.3%
Source: Statistics New Zealand, Census of Population and Dwellings, 2013.
Change in household income quartiles, 2006 to 2013
Change in household income quartiles, 2006 to 2013 Highest group, Rohe - New Zealand: +8,846 Medium highest, Rohe - New Zealand: +8,224 Medium lowest, Rohe - New Zealand: +11,675 Lowest group, Rohe - New Zealand: +22,585
Source: Statistics New Zealand, Census of Population and Dwellings, 2006 and 2013.

Dominant groups

There were no major differences in the household income quartiles of the Māori population in New Zealand Rohe and the New Zealand Māori population in 2013.

Emerging groups

The largest changes in the household income quartiles of the Māori population in New Zealand Rohe between 2006 and 2013 were:

  • Lowest group (+22,585 people)
  • Medium lowest (+11,675 people)
  • Highest group (+8,846 people)
  • Medium highest (+8,224 people)