How many combined median annual household incomes it would take to buy a property that costs the annual average median house sale price.
The affordability ratio was calculated by comparing the annual average median house sale price of the Real Estate Institute NZ regions to the median annual household income, calculated in June of each year, from the regional councils identified by Statistic New Zealand).
In some cases, data was manipulated to allow a more accurate comparison between the two data sets. Refer to the map showing overlap of the two sets of data.
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