Sri Lanka vs Turkmenistan: Theoretical duration of secondary education
Sri Lanka
8 years
in 2025
Turkmenistan
8 years
in 2025
Sri Lanka rank
3rd
Turkmenistan rank
3rd
Theoretical duration of secondary education over time
- Sri Lanka
- Turkmenistan
How they compare
Sri Lanka currently reports 8 years against 8 years in Turkmenistan, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Turkmenistan ahead.
Sri Lanka ranks 3rd and Turkmenistan ranks 3rd of 215 countries.
Sri Lanka has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Sri Lanka | Turkmenistan | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 7 years | 7 years | 0 years | — |
| 1980s | 7 years | 7 years | 0 years | — |
| 1990s | 7.2 years | 7 years | 0.2 years | Sri Lanka |
| 2000s | 8 years | 7 years | 1 years | Sri Lanka |
| 2010s | 8 years | 7.6 years | 0.4 years | Sri Lanka |
| 2020s | 8 years | 8 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Sri Lanka or Turkmenistan?
- Sri Lanka, at 8 years against 8 years in Turkmenistan as of 2025.
- What is the difference in theoretical duration of secondary education between Sri Lanka and Turkmenistan?
- 0 years, with Sri Lanka ahead.
- How many years of comparable data are there for Sri Lanka and Turkmenistan?
- 56 years are reported by both, from 1970 to 2025.
- How do Sri Lanka and Turkmenistan rank globally for theoretical duration of secondary education?
- Sri Lanka ranks 3rd and Turkmenistan ranks 3rd 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