Bulgaria vs Slovenia: Theoretical duration of upper secondary education in years
Bulgaria
5
in 2025
Slovenia
4
in 2025
Bulgaria rank
1st
Slovenia rank
4th
Theoretical duration of upper secondary education in years over time
- Bulgaria
- Slovenia
How they compare
Bulgaria currently reports 5 against 4 in Slovenia, a difference of 1.
That makes Bulgaria's figure about 1.2 times Slovenia's.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Slovenia ahead.
Bulgaria ranks 1st and Slovenia ranks 4th of 73 countries.
Across the 6 decades both report, Bulgaria averaged higher in 3 and Slovenia in 3.
Head to head by decade
| Decade | Bulgaria | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 | 4 | 1 | Slovenia |
| 1980s | 3 | 4 | 1 | Slovenia |
| 1990s | 3.2 | 4 | 0.8 | Slovenia |
| 2000s | 5 | 4 | 1 | Bulgaria |
| 2010s | 5 | 4 | 1 | Bulgaria |
| 2020s | 5 | 4 | 1 | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of upper secondary education in years, Bulgaria or Slovenia?
- Bulgaria, at 5 against 4 in Slovenia as of 2025.
- What is the difference in theoretical duration of upper secondary education in years between Bulgaria and Slovenia?
- 1, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Slovenia?
- 56 years are reported by both, from 1970 to 2025.
- How do Bulgaria and Slovenia rank globally for theoretical duration of upper secondary education in years?
- Bulgaria ranks 1st and Slovenia ranks 4th of 73 countries.
- Where does this data come from?
- UNICEF, published as Theoretical duration of upper secondary education in years. Statizoid refreshes it automatically from the source and publishes the full history for both places.