Sierra Leone vs Viet Nam: Secondary education, duration
Sierra Leone
7 years
in 2025
Viet Nam
7 years
in 2025
Sierra Leone rank
26th
Viet Nam rank
26th
Secondary education, duration over time
- Sierra Leone
- Viet Nam
How they compare
Sierra Leone currently reports 7 years against 7 years in Viet Nam, a difference of 0 years.
The two have swapped places 3 times across 56 shared years of data; in 1970 it was Sierra Leone ahead.
Sierra Leone ranks 26th and Viet Nam ranks 26th of 209 countries.
Across the 6 decades both report, Sierra Leone averaged higher in 1 and Viet Nam in 3.
Head to head by decade
| Decade | Sierra Leone | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 7 years | 6.4 years | 0.6 years | Sierra Leone |
| 1980s | 7 years | 7 years | 0 years | — |
| 1990s | 6.9 years | 7 years | 0.1 years | Viet Nam |
| 2000s | 6 years | 7 years | 1 years | Viet Nam |
| 2010s | 6.7 years | 7 years | 0.3 years | Viet Nam |
| 2020s | 7 years | 7 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher secondary education, duration, Sierra Leone or Viet Nam?
- Sierra Leone, at 7 years against 7 years in Viet Nam as of 2025.
- What is the difference in secondary education, duration between Sierra Leone and Viet Nam?
- 0 years, with Sierra Leone ahead.
- How many years of comparable data are there for Sierra Leone and Viet Nam?
- 56 years are reported by both, from 1970 to 2025.
- How do Sierra Leone and Viet Nam rank globally for secondary education, duration?
- Sierra Leone ranks 26th and Viet Nam ranks 26th of 209 countries.
- Where does this data come from?
- Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Secondary education, duration (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Secondary duration refers to the number of grades (years) in secondary school.