Tonga vs Zambia: Theoretical duration of post-secondary non-tertiary education
Tonga
2 years
in 2025
Zambia
2 years
in 2025
Tonga rank
13th
Zambia rank
13th
Theoretical duration of post-secondary non-tertiary education over time
- Tonga
- Zambia
How they compare
Tonga currently reports 2 years against 2 years in Zambia, a difference of 0 years.
Across all 16 years both countries report, Zambia has been ahead every year.
Tonga ranks 13th and Zambia ranks 13th of 171 countries.
Zambia has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Tonga | Zambia | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 1.8 years | 2 years | 0.2 years | Zambia |
| 2020s | 2 years | 2 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of post-secondary non-tertiary education, Tonga or Zambia?
- Tonga, at 2 years against 2 years in Zambia as of 2025.
- What is the difference in theoretical duration of post-secondary non-tertiary education between Tonga and Zambia?
- 0 years, with Tonga ahead.
- How many years of comparable data are there for Tonga and Zambia?
- 16 years are reported by both, from 2010 to 2025.
- How do Tonga and Zambia rank globally for theoretical duration of post-secondary non-tertiary education?
- Tonga ranks 13th and Zambia ranks 13th of 171 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of post-secondary non-tertiary 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