Bulgaria vs Tonga: Inequality in education
Bulgaria
0.0433
in 2023
Tonga
0.0431
in 2023
Bulgaria rank
143rd
Tonga rank
144th
Inequality in education over time
- Bulgaria
- Tonga
How they compare
Bulgaria currently reports 0.0433 against 0.0431 in Tonga, a difference of 0.0002.
Across all 5 years both countries report, Bulgaria has been ahead every year.
Bulgaria ranks 143rd and Tonga ranks 144th of 184 countries.
Bulgaria has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Bulgaria | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 0.0621 | 0.0431 | 0.019 | Bulgaria |
| 2020s | 0.0563 | 0.0431 | 0.0132 | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher inequality in education, Bulgaria or Tonga?
- Bulgaria, at 0.0433 against 0.0431 in Tonga as of 2023.
- What is the difference in inequality in education between Bulgaria and Tonga?
- 0.0002, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Tonga?
- 5 years are reported by both, from 2019 to 2023.
- How do Bulgaria and Tonga rank globally for inequality in education?
- Bulgaria ranks 143rd and Tonga ranks 144th of 184 countries.
- Where does this data come from?
- UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as Inequality in education. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The Atkinson index measures inequality on a scale from 0 to 1. Higher values indicate higher inequality. Inequality is measured here in terms of the number of years adults older than 25 participated in formal education.