Sri Lanka vs Tonga: Duration of pre-primary education
Sri Lanka
2 years
in 2025
Tonga
2 years
in 2025
Sri Lanka rank
146th
Tonga rank
146th
Duration of pre-primary education over time
- Sri Lanka
- Tonga
How they compare
Sri Lanka currently reports 2 years against 2 years in Tonga, a difference of 0 years.
Across all 56 years both countries report, Tonga has been ahead every year.
Sri Lanka ranks 146th and Tonga ranks 146th of 223 countries.
Tonga has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Sri Lanka | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 1 years | 3 years | 2 years | Tonga |
| 1980s | 1 years | 2.4 years | 1.4 years | Tonga |
| 1990s | 1 years | 2 years | 1 years | Tonga |
| 2000s | 1 years | 2 years | 1 years | Tonga |
| 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 duration of pre-primary education, Sri Lanka or Tonga?
- Sri Lanka, at 2 years against 2 years in Tonga as of 2025.
- What is the difference in duration of pre-primary education between Sri Lanka and Tonga?
- 0 years, with Sri Lanka ahead.
- How many years of comparable data are there for Sri Lanka and Tonga?
- 56 years are reported by both, from 1970 to 2025.
- How do Sri Lanka and Tonga rank globally for duration of pre-primary education?
- Sri Lanka ranks 146th and Tonga ranks 146th of 223 countries.
- Where does this data come from?
- UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data, published as Duration of pre-primary education. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Average number of years that a child is expected to spend in pre-primary education, defined by country's official educational regulations or laws.