Saudi Arabia vs Tonga: Theoretical duration of upper secondary education
Saudi Arabia
3 years
in 2025
Tonga
3 years
in 2025
Saudi Arabia rank
52nd
Tonga rank
52nd
Theoretical duration of upper secondary education over time
- Saudi Arabia
- Tonga
How they compare
Saudi Arabia currently reports 3 years against 3 years in Tonga, a difference of 0 years.
The two have swapped places 3 times across 56 shared years of data; in 1970 it was Saudi Arabia ahead.
Saudi Arabia ranks 52nd and Tonga ranks 52nd of 215 countries.
Saudi Arabia has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Saudi Arabia | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 2 years | 1 years | Saudi Arabia |
| 1980s | 3 years | 2.6 years | 0.4 years | Saudi Arabia |
| 1990s | 3 years | 2.8 years | 0.2 years | Saudi Arabia |
| 2000s | 3 years | 2 years | 1 years | Saudi Arabia |
| 2010s | 3 years | 2 years | 1 years | Saudi Arabia |
| 2020s | 3 years | 2.5 years | 0.5 years | Saudi Arabia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of upper secondary education, Saudi Arabia or Tonga?
- Saudi Arabia, at 3 years against 3 years in Tonga as of 2025.
- What is the difference in theoretical duration of upper secondary education between Saudi Arabia and Tonga?
- 0 years, with Saudi Arabia ahead.
- How many years of comparable data are there for Saudi Arabia and Tonga?
- 56 years are reported by both, from 1970 to 2025.
- How do Saudi Arabia and Tonga rank globally for theoretical duration of upper secondary education?
- Saudi Arabia ranks 52nd and Tonga ranks 52nd 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