Slovakia vs Tonga: Primary school starting age
Slovakia
6 years
in 2025
Tonga
6 years
in 2025
Slovakia rank
33rd
Tonga rank
33rd
Primary school starting age over time
- Slovakia
- Tonga
How they compare
Slovakia currently reports 6 years against 6 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.
Slovakia ranks 33rd and Tonga ranks 33rd of 210 countries.
Slovakia has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Slovakia | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 6 years | 6 years | 0 years | — |
| 1980s | 6 years | 5.4 years | 0.6 years | Slovakia |
| 1990s | 6 years | 5 years | 1 years | Slovakia |
| 2000s | 6 years | 5 years | 1 years | Slovakia |
| 2010s | 6 years | 5.8 years | 0.2 years | Slovakia |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary school starting age, Slovakia or Tonga?
- Slovakia, at 6 years against 6 years in Tonga as of 2025.
- What is the difference in primary school starting age between Slovakia and Tonga?
- 0 years, with Slovakia ahead.
- How many years of comparable data are there for Slovakia and Tonga?
- 56 years are reported by both, from 1970 to 2025.
- How do Slovakia and Tonga rank globally for primary school starting age?
- Slovakia ranks 33rd and Tonga ranks 33rd of 210 countries.
- Where does this data come from?
- Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Primary school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Primary school starting age is the age at which students would enter primary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade.