Chad vs Papua New Guinea: Theoretical duration of lower secondary education
Chad
4 years
in 2025
Papua New Guinea
4 years
in 2025
Chad rank
17th
Papua New Guinea rank
17th
Theoretical duration of lower secondary education over time
- Chad
- Papua New Guinea
How they compare
Chad currently reports 4 years against 4 years in Papua New Guinea, a difference of 0 years.
The two have swapped places 3 times across 56 shared years of data; in 1970 it was Chad ahead.
Chad ranks 17th and Papua New Guinea ranks 17th of 215 countries.
Chad has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Chad | Papua New Guinea | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 4 years | 2.2 years | 1.8 years | Chad |
| 1980s | 4 years | 2 years | 2 years | Chad |
| 1990s | 4 years | 2 years | 2 years | Chad |
| 2000s | 4 years | 2 years | 2 years | Chad |
| 2010s | 4 years | 2.4 years | 1.6 years | Chad |
| 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 lower secondary education, Chad or Papua New Guinea?
- Chad, at 4 years against 4 years in Papua New Guinea as of 2025.
- What is the difference in theoretical duration of lower secondary education between Chad and Papua New Guinea?
- 0 years, with Chad ahead.
- How many years of comparable data are there for Chad and Papua New Guinea?
- 56 years are reported by both, from 1970 to 2025.
- How do Chad and Papua New Guinea rank globally for theoretical duration of lower secondary education?
- Chad ranks 17th and Papua New Guinea ranks 17th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of lower 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