Gender Development Index in Tonga
Tonga: Gender Development Index was 0.998 in 2023. ▬ Flat
Gender Development Index in Tonga, 1995–2023
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
Analysis
In 2023, gender development index in Tonga stood at 0.998.
That represents a change of up 0.2% on the previous year and up 1.8% over ten years.
Over the whole period, gender development index in Tonga peaked at 1 in 2018 and was at its lowest, 0.963, in 1998.
That places Tonga 33rd out of 179 countries with data for 2023, putting it in the top quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.9652 | 0.963 | 0.966 | 5 |
| 2000s | 0.9715 | 0.967 | 0.975 | 10 |
| 2010s | 0.984 | 0.979 | 1 | 10 |
| 2020s | 0.9945 | 0.99 | 0.998 | 4 |
Countries ranked near Tonga
More gender data for Tonga
- Age population, age 00, female, interpolated 1,112 (2025)
- Age population, age 00, male, interpolated 1,200 (2025)
- Age population, age 01, female, interpolated 1,106 (2025)
- Age population, age 01, male, interpolated 1,195 (2025)
- Age population, age 02, female, interpolated 1,110 (2025)
- Age population, age 02, male, interpolated 1,200 (2025)
- Age population, age 03, female, interpolated 1,117 (2025)
- Age population, age 03, male, interpolated 1,209 (2025)
- Age population, age 04, female, interpolated 1,105 (2025)
- Age population, age 04, male, interpolated 1,195 (2025)
Frequently asked questions
- What is gender development index in Tonga?
- Gender development index in Tonga was 0.998 in 2023, according to UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
- What is the highest gender development index recorded in Tonga?
- The highest recorded value was 1 in 2018.
- What is the lowest gender development index recorded in Tonga?
- The lowest recorded value was 0.963 in 1998.
- How does Tonga rank for gender development index?
- Tonga ranks 33rd out of 179 countries with data for 2023.
- Is gender development index rising or falling in Tonga?
- Over the last ten years it is up 1.8%. The long-run trend across the full record is flat.
- 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 Development Index. Statizoid updates them automatically from the source API.
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About this data
The Gender Development Index (GDI) measures gender inequalities in the achievement of key dimensions of human development: a long and healthy life, a good education, and a decent standard of living.