Previous 10 years of data points for median household income and the food index, in New Zealand.

KEY NOTES:

  • 10 years (1 decade) is:
    • A common time measurement/comparison.
    • Includes 5 data points from the last National-led Government and 5 data points from the last and current Labour-led Government.
    • Avoids the GFC period of ~2008 to 2012 where incomes slowed and many prices increased worldwide.
    • Avoids the GST increase from 12.5% to 15% in October 2010.
  • May is the median month of when Stats NZ gets household income data for June quarters (April-May-June).
  • There is obviously no median income data for May 2022 yet.
  • Covid 19 and associated responses have impacted food prices.
  • The current Russian-Ukraine war started on February 24th 2022.
  • The 7.6% increase in food prices to March 2022 is the largest since July 2011 (7.9%).
  • Different types of food have increased at different rates, e.g. fruit and vegetables have increased by 18%, non-alcoholic beverages by 2.7%

Month Median household income % annual change Food index % annual change
May 2013 $68,536 4% 946 0%
May 2014 $71,656 5% 963 2%
May 2015 $73,320 2% 973 1%
May 2016 $79,664 9% 968 0%
May 2017 $81,900 3% 998 3%
May 2018 $88,764 8% 997 0%
May 2019 $91,520 3% 1,014 2%
May 2020 $90,792 -1% 1,043 3%
May 2021 $97,760 8% 1,062 2%
March 2022 No data available 1,125 8%

Have food prices increased at a faster rate than incomes? 

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Other notes:

  • All available data from March 1998 to March 2022 has been shared in the graph above.
  • Stats NZ Household Income Survey:
    • Started in 1998.
    • Is a sample of 15,000 households across New Zealand.
    • Asks for household income as a supplement in the June quarter reports.
    • If you want data before 1998, you could try the Household Economic Survey or Census data.
  • All numbers are provisional and subject to revision.

Thank you to the Factors who helped pull this together.

SOURCES:

Food index from https://infoshare.stats.govt.nz/ (Economic Indicators > Consumers Price Index – CPI > Food Price Index for New Zealand (Monthly))

Median household incomes from http://nzdotstat.stats.govt.nz/WBOS/Index.aspx?DataSetCode=TABLECODE7480

This work is based on/includes Stats NZ’s data which are licensed by Stats NZ for reuse under the Creative Commons Attribution 4.0 International licence.

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