Income inequality: Gini coefficient before and after tax in New Zealand
New Zealand: Income inequality: Gini coefficient before and after tax was 0.326 in 2022. ▬ Flat
Income inequality: Gini coefficient before and after tax in New Zealand, 2006–2022
Source: OECD (2026) – with minor processing by Our World in Data.
Analysis
The most recent figure for income inequality: gini coefficient before and after tax in New Zealand is 0.326, measured in 2022.
Compared with earlier readings it is up 7.6% on the previous year and down 2.7% over ten years.
Over the whole period, income inequality: gini coefficient before and after tax in New Zealand peaked at 0.341 in 2013 and was at its lowest, 0.303, in 2021.
New Zealand ranks 12th of 39 countries on this measure, in the middle of the range.
Income inequality: Gini coefficient before and after tax in New Zealand, year by year
| Year | Value | Change |
|---|---|---|
| 2006 | 0.332 | — |
| 2007 | 0.331 | -0.3% |
| 2008 | 0.328 | -0.9% |
| 2009 | 0.329 | +0.3% |
| 2010 | 0.335 | +1.8% |
| 2011 | 0.329 | -1.8% |
| 2012 | 0.335 | +1.8% |
| 2013 | 0.341 | +1.8% |
| 2014 | 0.341 | +0.0% |
| 2015 | 0.325 | -4.7% |
| 2016 | 0.333 | +2.5% |
| 2017 | 0.335 | +0.6% |
| 2018 | 0.33 | -1.5% |
| 2019 | 0.326 | -1.2% |
| 2020 | 0.318 | -2.5% |
| 2021 | 0.303 | -4.7% |
| 2022 | 0.326 | +7.6% |
New Zealand compared with similar countries
- New Zealand's 0.326 is above the median for high income countries, which is 0.3076, 1.1× the median. (36 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.33 | 0.328 | 0.332 | 4 |
| 2010s | 0.333 | 0.325 | 0.341 | 10 |
| 2020s | 0.3157 | 0.303 | 0.326 | 3 |
Countries ranked near New Zealand
More poverty & inequality data for New Zealand
- Fertility rate vs. share living in extreme poverty 1.67 live births per woman (2023)
- Cereal yield vs. share in extreme poverty 9,102 kg per hectare (2024)
- Cereal yield vs extreme poverty, per unit of GDP 0 units per US$ of GDP (2024)
- Cereal yield vs extreme poverty, annual growth rate 7.22 % change on previous year (2024)
- Tax revenues vs income inequality, gaps filled 34.71 (2023)
- Tax revenue as share of GDP vs. income inequality 34.7% (2023)
- Tax revenues vs income inequality, per unit of GDP 0 units per US$ of GDP (2023)
- Tax revenues vs income inequality, annual growth rate 1.22 % change on previous year (2023)
- Gender Inequality Index 0.082 (2023)
- Share of government consumption in GDP vs. share of population living in extreme poverty 24.9% (2023)
Frequently asked questions
- What is income inequality: gini coefficient before and after tax in New Zealand?
- Income inequality: gini coefficient before and after tax in New Zealand was 0.326 in 2022, according to OECD (2026) – with minor processing by Our World in Data.
- What is the highest income inequality: gini coefficient before and after tax recorded in New Zealand?
- The highest recorded value was 0.341 in 2013.
- What is the lowest income inequality: gini coefficient before and after tax recorded in New Zealand?
- The lowest recorded value was 0.303 in 2021.
- How does New Zealand rank for income inequality: gini coefficient before and after tax?
- New Zealand ranks 12th out of 39 countries with data for 2022.
- Is income inequality: gini coefficient before and after tax rising or falling in New Zealand?
- Over the last ten years it is down 2.7%. The long-run trend across the full record is flat.
- Where does this New Zealand data come from?
- The figures come from OECD (2026) – with minor processing by Our World in Data, published as part of Income inequality: Gini coefficient before and after tax. Statizoid updates them automatically from the source API.
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CSV · JSON — 17 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The Gini coefficient measures inequality on a scale from 0 to 1. Higher values indicate higher inequality.