What is the highest inequality-adjusted human development index recorded in New Zealand?

The highest recorded value was 0.856 in 2020.

What is the lowest inequality-adjusted human development index recorded in New Zealand?

The lowest recorded value was 0.847 in 2022.

How does New Zealand rank for inequality-adjusted human development index?

New Zealand ranks 18th out of 163 countries with data for 2023.

Where does this New Zealand data come from?

The figures come from UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as part of Inequality-adjusted Human Development Index. Statizoid updates them automatically from the source API.

Inequality-adjusted Human Development Index in New Zealand

Name: Inequality-adjusted Human Development Index in New Zealand
Creator: UNDP, Human Development Report (2025) – with minor processing by Our World in Data
License: CC BY 4.0 (Our World in Data)

New Zealand: Inequality-adjusted Human Development Index was 0.853 in 2023. ▬ Flat

Latest (2023)

0.853

Change on year

up 0.7%

World rank

18th

of 163 countries

All-time high

0.856

in 2020

All-time low

0.847

in 2022

Years of data

2019–2023

Inequality-adjusted Human Development Index in New Zealand, 2019–2023

Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data.

Analysis

In 2023, inequality-adjusted human development index in New Zealand stood at 0.853.

The figure is up 0.7% on the previous year and up 0.1% over five years.

That places New Zealand 18th out of 163 countries with data for 2023, putting it in the top quarter.

Averages by decade

Decade	Average	Lowest	Highest	Years
2010s	0.852	0.852	0.852	1
2020s	0.8525	0.847	0.856	4

Countries ranked near New Zealand

15 United Arab Emirates 0.866 compare
16 Austria 0.861 compare
17 South Korea 0.857 compare
19 Japan 0.845 compare
20 Cyprus 0.841 compare
20 Estonia 0.841 compare

See the full ranking of 166 places →

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)
Tax revenue as share of GDP vs. income inequality 34.7% (2023)
Gender Inequality Index 0.082 (2023)
Share of government consumption in GDP vs. share of population living in extreme poverty 24.9% (2023)
Lifespan inequality: Gini coefficient in women 0.0796 (2023)
Lifespan inequality: Gini coefficient by sex 0.0796 (2023)
Lifespan inequality: Gini coefficient in men 0.0944 (2023)
Income inequality: Atkinson index 0.1809 (2023)
Population living in slums 0.0% (2022)

All data for New Zealand →

Frequently asked questions

What is inequality-adjusted human development index in New Zealand?: Inequality-adjusted human development index in New Zealand was 0.853 in 2023, according to UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
What is the highest inequality-adjusted human development index recorded in New Zealand?: The highest recorded value was 0.856 in 2020.
What is the lowest inequality-adjusted human development index recorded in New Zealand?: The lowest recorded value was 0.847 in 2022.
How does New Zealand rank for inequality-adjusted human development index?: New Zealand ranks 18th out of 163 countries with data for 2023.
Where does this New Zealand data come from?: The figures come from UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as part of Inequality-adjusted Human Development Index. 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

Indicator: Inequality-adjusted Human Development Index
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 166 places, 2,131 data points, 2010–2023
Last refreshed: 07 August 2026

The Inequality-adjusted Human Development Index (IHDI) is a summary measure of key dimensions of human development: a long and healthy life, a good education, and a decent standard of living, adjusted for inequalities in these dimensions. Higher values indicate higher and more equal human development.