Secondary education, duration in Tonga
Tonga: Secondary education, duration was 7 years in 2025. ▲ Rising
Latest (2025)
7 years
Change on year
unchanged
World rank
26th
of 209 countries
All-time high
7 years
in 1984
All-time low
6 years
in 1970
Years of data
56
1970–2025
Secondary education, duration in Tonga, 1970–2025
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Measured in years.
Analysis
The most recent figure for secondary education, duration in Tonga is 7 years, measured in 2025. That is the highest value across all 56 years on record.
That represents a change of unchanged over ten years.
Over the whole period, secondary education, duration in Tonga peaked at 7 years in 1984 and was at its lowest, 6 years, in 1970.
Tonga ranks 26th of 209 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 56 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 6 years | 6 years | 6 years | 10 |
| 1980s | 6.6 years | 6 years | 7 years | 10 |
| 1990s | 6.8 years | 6 years | 7 years | 10 |
| 2000s | 6 years | 6 years | 6 years | 10 |
| 2010s | 6.8 years | 6 years | 7 years | 10 |
| 2020s | 7 years | 7 years | 7 years | 6 |
Countries ranked near Tonga
- 26 Albania 7 years compare
- 26 Algeria 7 years compare
- 26 Azerbaijan 7 years compare
- 26 Bangladesh 7 years compare
- 26 Belarus 7 years compare
- 26 Benin 7 years compare
- 26 Bermuda 7 years compare
- 26 Brazil 7 years compare
- 26 Brunei 7 years compare
- 26 Burkina Faso 7 years compare
- 26 Burundi 7 years compare
- 26 Cameroon 7 years compare
- 26 Central African Republic 7 years compare
- 26 Chad 7 years compare
- 26 Comoros 7 years compare
- 26 Congo 7 years compare
- 26 Cote d'Ivoire 7 years compare
- 26 Djibouti 7 years compare
- 26 Eritrea 7 years compare
- 26 Fiji 7 years compare
- 26 France 7 years compare
- 26 French Polynesia 7 years compare
- 26 Gabon 7 years compare
- 26 Gibraltar 7 years compare
- 26 Guinea 7 years compare
- 26 Haiti 7 years compare
- 26 Iceland 7 years compare
- 26 India 7 years compare
- 26 Kazakhstan 7 years compare
- 26 Kiribati 7 years compare
- 26 Kuwait 7 years compare
- 26 Kyrgyzstan 7 years compare
- 26 Laos 7 years compare
- 26 Liechtenstein 7 years compare
- 26 Luxembourg 7 years compare
- 26 Madagascar 7 years compare
- 26 Malta 7 years compare
- 26 Mauritania 7 years compare
- 26 Mauritius 7 years compare
- 26 Monaco 7 years compare
- 26 Mongolia 7 years compare
- 26 Nepal 7 years compare
- 26 New Caledonia 7 years compare
- 26 New Zealand 7 years compare
- 26 Niger 7 years compare
- 26 Pakistan 7 years compare
- 26 Russia 7 years compare
- 26 Samoa 7 years compare
- 26 Senegal 7 years compare
- 26 Seychelles 7 years compare
- 26 Sierra Leone 7 years compare
- 26 Slovenia 7 years compare
- 26 Solomon Islands 7 years compare
- 26 Suriname 7 years compare
- 26 Switzerland 7 years compare
- 26 Tajikistan 7 years compare
- 26 Togo 7 years compare
- 26 Tunisia 7 years compare
- 26 Tuvalu 7 years compare
- 26 Ukraine 7 years compare
- 26 United Kingdom 7 years compare
- 26 Uzbekistan 7 years compare
- 26 Vanuatu 7 years compare
- 26 Vietnam 7 years compare
More education data for Tonga
- Primary school starting age 6 years (2025)
- Lower secondary school starting age 12 years (2025)
- Population ages 15-64 58.2% (2025)
- Population ages 0-14 34.9% (2025)
- School enrollment, primary 108.8% (2024)
- Primary education, teachers 818 (2024)
- School enrollment, primary, female 110.7% (2024)
- School enrollment, primary, male 107.1% (2024)
- Labor force, female 46.9% (2025)
- Labor force, total 33,628 (2025)
Frequently asked questions
- What is secondary education, duration in Tonga?
- Secondary education, duration in Tonga was 7 years in 2025, according to Data API, UN Educational, Scientific and Cultural Organization (UNESCO).
- What is the highest secondary education, duration recorded in Tonga?
- The highest recorded value was 7 years in 1984.
- What is the lowest secondary education, duration recorded in Tonga?
- The lowest recorded value was 6 years in 1970.
- How does Tonga rank for secondary education, duration?
- Tonga ranks 26th out of 209 countries with data for 2025.
- Is secondary education, duration rising or falling in Tonga?
- Over the last ten years it is unchanged. The long-run trend across the full record is rising.
- Where does this Tonga data come from?
- The figures come from Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Secondary education, duration (years). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 56 observations, free to reuse under CC BY 4.0 (World Bank Open Data).
About this data
Secondary duration refers to the number of grades (years) in secondary school.