Sri Lanka vs Tonga: Human Development Index groups
Sri Lanka
0.776
in 2023
Tonga
0.769
in 2023
Sri Lanka rank
89th
Tonga rank
92nd
Human Development Index groups over time
- Sri Lanka
- Tonga
How they compare
Sri Lanka currently reports 0.776 against 0.769 in Tonga, a difference of 0.007.
The two have swapped places 3 times across 34 shared years of data; in 1990 it was Tonga ahead.
Sri Lanka ranks 89th and Tonga ranks 92nd of 192 countries.
Across the 4 decades both report, Sri Lanka averaged higher in 3 and Tonga in 1.
Head to head by decade
| Decade | Sri Lanka | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0.6647 | 0.668 | 0.0033 | Tonga |
| 2000s | 0.715 | 0.7048 | 0.0102 | Sri Lanka |
| 2010s | 0.7672 | 0.7436 | 0.0236 | Sri Lanka |
| 2020s | 0.7775 | 0.7652 | 0.0123 | Sri Lanka |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher human development index groups, Sri Lanka or Tonga?
- Sri Lanka, at 0.776 against 0.769 in Tonga as of 2023.
- What is the difference in human development index groups between Sri Lanka and Tonga?
- 0.007, with Sri Lanka ahead.
- How many years of comparable data are there for Sri Lanka and Tonga?
- 34 years are reported by both, from 1990 to 2023.
- How do Sri Lanka and Tonga rank globally for human development index groups?
- Sri Lanka ranks 89th and Tonga ranks 92nd of 192 countries.
- Where does this data come from?
- UNDP, Human Development Report (2025) β with minor processing by Our World in Data, published as Human Development Index groups. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The Human Development Index (HDI) is a summary measure of key dimensions of human development: a long and healthy life, a good education, and a decent standard of living. Higher values indicate higher human development.