Guinea-Bissau vs Sudan: Theoretical duration of secondary education
Guinea-Bissau
6 years
in 2025
Sudan
6 years
in 2025
Guinea-Bissau rank
96th
Sudan rank
96th
Theoretical duration of secondary education over time
- Guinea-Bissau
- Sudan
How they compare
Guinea-Bissau currently reports 6 years against 6 years in Sudan, a difference of 0 years.
The two have swapped places 2 times across 28 shared years of data; in 1998 it was Sudan ahead.
Guinea-Bissau ranks 96th and Sudan ranks 96th of 215 countries.
Guinea-Bissau has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Guinea-Bissau | Sudan | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 5 years | 5 years | 0 years | — |
| 2000s | 5 years | 5 years | 0 years | — |
| 2010s | 5.9 years | 5 years | 0.9 years | Guinea-Bissau |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Guinea-Bissau or Sudan?
- Guinea-Bissau, at 6 years against 6 years in Sudan as of 2025.
- What is the difference in theoretical duration of secondary education between Guinea-Bissau and Sudan?
- 0 years, with Guinea-Bissau ahead.
- How many years of comparable data are there for Guinea-Bissau and Sudan?
- 28 years are reported by both, from 1998 to 2025.
- How do Guinea-Bissau and Sudan rank globally for theoretical duration of secondary education?
- Guinea-Bissau ranks 96th and Sudan ranks 96th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of 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