Reduction in income inequality before and after tax in New Zealand
New Zealand: Reduction in income inequality before and after tax was 28.7% in 2022. ▲ Rising
Latest (2022)
28.7%
Change on year
down 5.5%
World rank
27th
of 39 countries
All-time high
30.3%
in 2021
All-time low
27.2%
in 2018
Years of data
5
2018–2022
Reduction in income inequality before and after tax in New Zealand, 2018–2022
Source: OECD (2026) – with minor processing by Our World in Data. Measured in %.
Analysis
New Zealand recorded 28.7% for reduction in income inequality before and after tax in 2022.
Compared with earlier readings it is down 5.5% on the previous year and up 5.6% over five years.
That places New Zealand 27th out of 39 countries with data for 2022, putting it in the middle of the range.
Reduction in income inequality before and after tax in New Zealand, year by year
| Year | % | Change |
|---|---|---|
| 2018 | 27.2% | — |
| 2019 | 28.0% | +3.3% |
| 2020 | 29.8% | +6.3% |
| 2021 | 30.3% | +1.8% |
| 2022 | 28.7% | -5.5% |
New Zealand compared with similar countries
- New Zealand's 28.7% is below the median for high income countries, which is 34.3%, 84% of the median. (36 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 27.6% | 27.2% | 28.0% | 2 |
| 2020s | 29.6% | 28.7% | 30.3% | 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 reduction in income inequality before and after tax in New Zealand?
- Reduction in income inequality before and after tax in New Zealand was 28.7% in 2022, according to OECD (2026) – with minor processing by Our World in Data.
- What is the highest reduction in income inequality before and after tax recorded in New Zealand?
- The highest recorded value was 30.3% in 2021.
- What is the lowest reduction in income inequality before and after tax recorded in New Zealand?
- The lowest recorded value was 27.2% in 2018.
- How does New Zealand rank for reduction in income inequality before and after tax?
- New Zealand ranks 27th out of 39 countries with data for 2022.
- 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 Reduction in income inequality before and after tax. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 5 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
This is the percentage difference between the Gini coefficient before taxes and benefits and the Gini coefficient after taxes and benefits.