Iran, Islamic Republic of vs Sierra Leone: Theoretical duration of upper secondary education
Iran, Islamic Republic of
4 years
in 2020
Sierra Leone
4 years
in 2020
Iran, Islamic Republic of rank
5th
Sierra Leone rank
5th
Theoretical duration of upper secondary education over time
- Iran, Islamic Republic of
- Sierra Leone
How they compare
Iran, Islamic Republic of currently reports 4 years against 4 years in Sierra Leone, a difference of 0 years.
The two have swapped places 1 time across 51 shared years of data; in 1970 it was Iran, Islamic Republic of ahead.
Iran, Islamic Republic of ranks 5th and Sierra Leone ranks 5th of 209 countries.
Across the 6 decades both report, Iran, Islamic Republic of averaged higher in 4 and Sierra Leone in 1.
Head to head by decade
| Decade | Iran, Islamic Republic of | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3.2 years | 2 years | 1.2 years | Iran, Islamic Republic of |
| 1980s | 4 years | 2 years | 2 years | Iran, Islamic Republic of |
| 1990s | 4 years | 2.3 years | 1.7 years | Iran, Islamic Republic of |
| 2000s | 4 years | 3 years | 1 years | Iran, Islamic Republic of |
| 2010s | 3.6 years | 3.7 years | 0.1 years | Sierra Leone |
| 2020s | 4 years | 4 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of upper secondary education, Iran, Islamic Republic of or Sierra Leone?
- Iran, Islamic Republic of, at 4 years against 4 years in Sierra Leone as of 2020.
- What is the difference in theoretical duration of upper secondary education between Iran, Islamic Republic of and Sierra Leone?
- 0 years, with Iran, Islamic Republic of ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and Sierra Leone?
- 51 years are reported by both, from 1970 to 2020.
- How do Iran, Islamic Republic of and Sierra Leone rank globally for theoretical duration of upper secondary education?
- Iran, Islamic Republic of ranks 5th and Sierra Leone ranks 5th of 209 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
Number of grades (years) in upper secondary education.