Nauru vs Sudan: Theoretical duration of pre-primary education (years) (Theoretical)
Nauru
2 years
in 2025
Sudan
2 years
in 2025
Nauru rank
146th
Sudan rank
146th
Theoretical duration of pre-primary education (years) (Theoretical) over time
- Nauru
- Sudan
How they compare
Nauru currently reports 2 years against 2 years in Sudan, a difference of 0 years.
The two have swapped places 1 time across 28 shared years of data; in 1998 it was Nauru ahead.
Nauru ranks 146th and Sudan ranks 146th of 223 countries.
Nauru has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Nauru | Sudan | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 3 years | 2 years | 1 years | Nauru |
| 2000s | 3 years | 2 years | 1 years | Nauru |
| 2010s | 3 years | 2 years | 1 years | Nauru |
| 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 pre-primary education, Nauru or Sudan?
- Nauru, at 2 years against 2 years in Sudan as of 2025.
- What is the difference in theoretical duration of pre-primary education between Nauru and Sudan?
- 0 years, with Nauru ahead.
- How many years of comparable data are there for Nauru and Sudan?
- 28 years are reported by both, from 1998 to 2025.
- How do Nauru and Sudan rank globally for theoretical duration of pre-primary education?
- Nauru ranks 146th and Sudan ranks 146th of 223 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of pre-primary 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