Sudan vs Tonga: Theoretical duration of early childhood education
Sudan
2 years
in 2025
Tonga
2 years
in 2025
Sudan rank
166th
Tonga rank
166th
Theoretical duration of early childhood education over time
- Sudan
- Tonga
How they compare
Sudan currently reports 2 years against 2 years in Tonga, a difference of 0 years.
Across all 27 years both countries report, Tonga has been ahead every year.
Sudan ranks 166th and Tonga ranks 166th of 202 countries.
Head to head by decade
| Decade | Sudan | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 2 years | 2 years | 0 years | — |
| 2000s | 2 years | 2 years | 0 years | — |
| 2010s | 2 years | 2 years | 0 years | — |
| 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 early childhood education, Sudan or Tonga?
- Sudan, at 2 years against 2 years in Tonga as of 2025.
- What is the difference in theoretical duration of early childhood education between Sudan and Tonga?
- 0 years, with Sudan ahead.
- How many years of comparable data are there for Sudan and Tonga?
- 27 years are reported by both, from 1999 to 2025.
- How do Sudan and Tonga rank globally for theoretical duration of early childhood education?
- Sudan ranks 166th and Tonga ranks 166th of 202 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of early childhood 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