Bulgaria vs Eritrea: Theoretical duration of lower secondary education
Bulgaria
3 years
in 2025
Eritrea
3 years
in 2025
Bulgaria rank
88th
Eritrea rank
88th
Theoretical duration of lower secondary education over time
- Bulgaria
- Eritrea
How they compare
Bulgaria currently reports 3 years against 3 years in Eritrea, a difference of 0 years.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Bulgaria ahead.
Bulgaria ranks 88th and Eritrea ranks 88th of 215 countries.
Bulgaria has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Bulgaria | Eritrea | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 4 years | 2 years | 2 years | Bulgaria |
| 1980s | 4 years | 2 years | 2 years | Bulgaria |
| 1990s | 3.9 years | 2 years | 1.9 years | Bulgaria |
| 2000s | 3 years | 2.6 years | 0.4 years | Bulgaria |
| 2010s | 3 years | 3 years | 0 years | — |
| 2020s | 3 years | 3 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of lower secondary education, Bulgaria or Eritrea?
- Bulgaria, at 3 years against 3 years in Eritrea as of 2025.
- What is the difference in theoretical duration of lower secondary education between Bulgaria and Eritrea?
- 0 years, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Eritrea?
- 56 years are reported by both, from 1970 to 2025.
- How do Bulgaria and Eritrea rank globally for theoretical duration of lower secondary education?
- Bulgaria ranks 88th and Eritrea ranks 88th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of lower secondary 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