Gender Inequality Index in Tonga
Tonga: Gender Inequality Index was 0.444 in 2023. ▼ Falling
Gender Inequality Index in Tonga, 1990–2023
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
Analysis
In 2023, gender inequality index in Tonga stood at 0.444.
The figure is down 8.1% on the previous year and down 7.7% over ten years.
Over the whole period, gender inequality index in Tonga peaked at 0.8 in 1990 and was at its lowest, 0.425, in 2018.
That places Tonga 56th out of 169 countries with data for 2023, putting it in the middle of the range.
The long-run direction has been consistently falling across the 34 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.7793 | 0.768 | 0.8 | 10 |
| 2000s | 0.6202 | 0.47 | 0.767 | 10 |
| 2010s | 0.5811 | 0.425 | 0.774 | 10 |
| 2020s | 0.5368 | 0.444 | 0.774 | 4 |
Countries ranked near Tonga
More poverty & inequality data for Tonga
- Number of income/consumption surveys in the past decade available via the World Bank 1 surveys (2025)
- Fertility rate vs. share living in extreme poverty 3.13 live births per woman (2023)
- Tax revenue as share of GDP vs. income inequality 22.2% (2023)
- Lifespan inequality: Gini coefficient in men 0.1324 (2023)
- Lifespan inequality: Gini coefficient by sex 0.1077 (2023)
- Lifespan inequality: Gini coefficient in women 0.1077 (2023)
- Income inequality: Atkinson index 0.2074 (2023)
- Population living in slums 0.3% (2022)
- Inequality-adjusted Human Development Index vs. GDP per capita 0.682 (2023)
- Inequality-adjusted Human Development Index vs. Human Development Index 0.682 (2023)
Frequently asked questions
- What is gender inequality index in Tonga?
- Gender inequality index in Tonga was 0.444 in 2023, according to UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
- What is the highest gender inequality index recorded in Tonga?
- The highest recorded value was 0.8 in 1990.
- What is the lowest gender inequality index recorded in Tonga?
- The lowest recorded value was 0.425 in 2018.
- How does Tonga rank for gender inequality index?
- Tonga ranks 56th out of 169 countries with data for 2023.
- Is gender inequality index rising or falling in Tonga?
- Over the last ten years it is down 7.7%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as part of Gender Inequality Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 34 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
This index captures gender-based disadvantage in reproductive health, empowerment and the labour market; ranges from 0 (full equality) to 1 (maximum inequality), representing the share of potential human development lost because of gender gaps.