Naoero vs Tonga: Official entrance age to pre-primary education
Naoero
4 years
in 2025
Tonga
4 years
in 2025
Naoero rank
14th
Tonga rank
14th
Official entrance age to pre-primary education over time
- Naoero
- Tonga
How they compare
Naoero currently reports 4 years against 4 years in Tonga, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Tonga ahead.
Naoero ranks 14th and Tonga ranks 14th of 217 countries.
Across the 6 decades both report, Naoero averaged higher in 1 and Tonga in 1.
Head to head by decade
| Decade | Naoero | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 3 years | 0 years | — |
| 1980s | 3 years | 3 years | 0 years | — |
| 1990s | 3.2 years | 3 years | 0.2 years | Naoero |
| 2000s | 3 years | 3 years | 0 years | — |
| 2010s | 3 years | 3.8 years | 0.8 years | Tonga |
| 2020s | 4 years | 4 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher official entrance age to pre-primary education, Naoero or Tonga?
- Naoero, at 4 years against 4 years in Tonga as of 2025.
- What is the difference in official entrance age to pre-primary education between Naoero and Tonga?
- 0 years, with Naoero ahead.
- How many years of comparable data are there for Naoero and Tonga?
- 56 years are reported by both, from 1970 to 2025.
- How do Naoero and Tonga rank globally for official entrance age to pre-primary education?
- Naoero ranks 14th and Tonga ranks 14th of 217 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Official entrance age to 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