Bulgaria vs Tonga: Official entrance age to compulsory education
Bulgaria
4 years
in 2025
Tonga
4 years
in 2025
Bulgaria rank
166th
Tonga rank
166th
Official entrance age to compulsory education over time
- Bulgaria
- Tonga
How they compare
Bulgaria currently reports 4 years against 4 years in Tonga, a difference of 0 years.
The two have swapped places 3 times across 28 shared years of data; in 1998 it was Bulgaria ahead.
Bulgaria ranks 166th and Tonga ranks 166th of 200 countries.
Bulgaria has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Bulgaria | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 7 years | 6 years | 1 years | Bulgaria |
| 2000s | 7 years | 6 years | 1 years | Bulgaria |
| 2010s | 5.8 years | 4.8 years | 1 years | Bulgaria |
| 2020s | 4.17 years | 4 years | 0.1667 years | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher official entrance age to compulsory education, Bulgaria or Tonga?
- Bulgaria, at 4 years against 4 years in Tonga as of 2025.
- What is the difference in official entrance age to compulsory education between Bulgaria and Tonga?
- 0 years, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Tonga?
- 28 years are reported by both, from 1998 to 2025.
- How do Bulgaria and Tonga rank globally for official entrance age to compulsory education?
- Bulgaria ranks 166th and Tonga ranks 166th of 200 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Official entrance age to compulsory education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release