Tonga vs United States of America: Official entrance age to post-secondary non-tertiary education
Tonga
18 years
in 2025
United States of America
18 years
in 2025
Tonga rank
52nd
United States of America rank
52nd
Official entrance age to post-secondary non-tertiary education over time
- Tonga
- United States of America
How they compare
Tonga currently reports 18 years against 18 years in United States of America, a difference of 0 years.
Across all 28 years both countries report, United States of America has been ahead every year.
Tonga ranks 52nd and United States of America ranks 52nd of 176 countries.
United States of America has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Tonga | United States of America | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 17 years | 18 years | 1 years | United States of America |
| 2000s | 17 years | 18 years | 1 years | United States of America |
| 2010s | 17.8 years | 18 years | 0.2 years | United States of America |
| 2020s | 18 years | 18 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher official entrance age to post-secondary non-tertiary education, Tonga or United States of America?
- Tonga, at 18 years against 18 years in United States of America as of 2025.
- What is the difference in official entrance age to post-secondary non-tertiary education between Tonga and United States of America?
- 0 years, with Tonga ahead.
- How many years of comparable data are there for Tonga and United States of America?
- 28 years are reported by both, from 1998 to 2025.
- How do Tonga and United States of America rank globally for official entrance age to post-secondary non-tertiary education?
- Tonga ranks 52nd and United States of America ranks 52nd of 176 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Official entrance age to post-secondary non-tertiary 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