Bulgaria vs Niue: Theoretical duration of upper secondary education
Bulgaria
5 years
in 2025
Niue
3 years
in 2025
Bulgaria rank
1st
Niue rank
1st
Theoretical duration of upper secondary education over time
- Bulgaria
- Niue
How they compare
Bulgaria currently reports 5 years against 3 years in Niue, a difference of 2 years.
That makes Bulgaria's figure about 1.7 times Niue's.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Bulgaria ahead.
Bulgaria ranks 1st and Niue ranks 1st of 215 countries.
Bulgaria has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Bulgaria | Niue | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 2 years | 1 years | Bulgaria |
| 1980s | 3 years | 2 years | 1 years | Bulgaria |
| 1990s | 3.2 years | 2.2 years | 1 years | Bulgaria |
| 2000s | 5 years | 3 years | 2 years | Bulgaria |
| 2010s | 5 years | 3 years | 2 years | Bulgaria |
| 2020s | 5 years | 3 years | 2 years | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of upper secondary education, Bulgaria or Niue?
- Bulgaria, at 5 years against 3 years in Niue as of 2025.
- What is the difference in theoretical duration of upper secondary education between Bulgaria and Niue?
- 2 years, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Niue?
- 56 years are reported by both, from 1970 to 2025.
- How do Bulgaria and Niue rank globally for theoretical duration of upper secondary education?
- Bulgaria ranks 1st and Niue ranks 1st of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of upper 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