Bulgaria vs Hong Kong: Theoretical duration of lower secondary education (years)
Bulgaria
3 years
in 2025
Hong Kong
3 years
in 2025
Bulgaria rank
91st
Hong Kong rank
91st
Theoretical duration of lower secondary education (years) over time
- Bulgaria
- Hong Kong
How they compare
Bulgaria currently reports 3 years against 3 years in Hong Kong, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Hong Kong ahead.
Bulgaria ranks 91st and Hong Kong ranks 91st of 221 countries.
Hong Kong has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Bulgaria | Hong Kong | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 4 years | 5 years | 1 years | Hong Kong |
| 1980s | 4 years | 5 years | 1 years | Hong Kong |
| 1990s | 3.9 years | 4.6 years | 0.7 years | Hong Kong |
| 2000s | 3 years | 3 years | 0 years | — |
| 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 Hong Kong?
- Bulgaria, at 3 years against 3 years in Hong Kong as of 2025.
- What is the difference in theoretical duration of lower secondary education between Bulgaria and Hong Kong?
- 0 years, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Hong Kong?
- 56 years are reported by both, from 1970 to 2025.
- How do Bulgaria and Hong Kong rank globally for theoretical duration of lower secondary education?
- Bulgaria ranks 91st and Hong Kong ranks 91st of 221 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