Theoretical duration of upper secondary education (years) in Tonga
Tonga: Theoretical duration of upper secondary education (years) was 2 years in 2020. ▼ Falling
Latest (2020)
2 years
Change on year
unchanged
World rank
156th
of 209 countries
All-time high
3 years
in 1984
All-time low
2 years
in 1970
Years of data
51
1970–2020
Theoretical duration of upper secondary education in Tonga, 1970–2020
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
In 2020, theoretical duration of upper secondary education in Tonga stood at 2 years. That is the lowest value across all 51 years on record.
Compared with earlier readings it is unchanged over ten years.
Over the whole period, theoretical duration of upper secondary education in Tonga peaked at 3 years in 1984 and was at its lowest, 2 years, in 1970.
That places Tonga 156th out of 209 countries with data for 2020, putting it in the middle of the range.
The long-run direction has been consistently falling across the 51 years of available data.
Theoretical duration of upper secondary education (years) in Tonga, year by year
| Year | years | Change |
|---|---|---|
| 1970 | 2 years | — |
| 1971 | 2 years | +0.0% |
| 1972 | 2 years | +0.0% |
| 1973 | 2 years | +0.0% |
| 1974 | 2 years | +0.0% |
| 1975 | 2 years | +0.0% |
| 1976 | 2 years | +0.0% |
| 1977 | 2 years | +0.0% |
| 1978 | 2 years | +0.0% |
| 1979 | 2 years | +0.0% |
| 1980 | 2 years | +0.0% |
| 1981 | 2 years | +0.0% |
| 1982 | 2 years | +0.0% |
| 1983 | 2 years | +0.0% |
| 1984 | 3 years | +50.0% |
| 1985 | 3 years | +0.0% |
| 1986 | 3 years | +0.0% |
| 1987 | 3 years | +0.0% |
| 1988 | 3 years | +0.0% |
| 1989 | 3 years | +0.0% |
| 1990 | 3 years | +0.0% |
| 1991 | 3 years | +0.0% |
| 1992 | 3 years | +0.0% |
| 1993 | 3 years | +0.0% |
| 1994 | 3 years | +0.0% |
| 1995 | 3 years | +0.0% |
| 1996 | 3 years | +0.0% |
| 1997 | 3 years | +0.0% |
| 1998 | 2 years | -33.3% |
| 1999 | 2 years | +0.0% |
| 2000 | 2 years | +0.0% |
| 2001 | 2 years | +0.0% |
| 2002 | 2 years | +0.0% |
| 2003 | 2 years | +0.0% |
| 2004 | 2 years | +0.0% |
| 2005 | 2 years | +0.0% |
| 2006 | 2 years | +0.0% |
| 2007 | 2 years | +0.0% |
| 2008 | 2 years | +0.0% |
| 2009 | 2 years | +0.0% |
| 2010 | 2 years | +0.0% |
| 2011 | 2 years | +0.0% |
| 2012 | 2 years | +0.0% |
| 2013 | 2 years | +0.0% |
| 2014 | 2 years | +0.0% |
| 2015 | 2 years | +0.0% |
| 2016 | 2 years | +0.0% |
| 2017 | 2 years | +0.0% |
| 2018 | 2 years | +0.0% |
| 2019 | 2 years | +0.0% |
| 2020 | 2 years | +0.0% |
Tonga compared with similar countries
- Tonga's 2 years is below the median for upper middle income countries, which is 3 years, 67% of the median. (58 countries reporting)
- Tonga's 2 years is below the median for East Asia & Pacific, which is 3 years, 67% of the median. (35 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 2 years | 2 years | 2 years | 10 |
| 1980s | 2.6 years | 2 years | 3 years | 10 |
| 1990s | 2.8 years | 2 years | 3 years | 10 |
| 2000s | 2 years | 2 years | 2 years | 10 |
| 2010s | 2 years | 2 years | 2 years | 10 |
| 2020s | 2 years | 2 years | 2 years | 1 |
Countries ranked near Tonga
- 156 American Samoa 2 years compare
- 156 Andorra 2 years compare
- 156 Antigua and Barbuda 2 years compare
- 156 Australia 2 years compare
- 156 Barbados 2 years compare
- 156 Belarus 2 years compare
- 156 Belize 2 years compare
- 156 Bhutan 2 years compare
- 156 Botswana 2 years compare
- 156 British Virgin Islands 2 years compare
- 156 Colombia 2 years compare
- 156 Costa Rica 2 years compare
- 156 Dominica 2 years compare
- 156 Equatorial Guinea 2 years compare
- 156 Eswatini 2 years compare
- 156 Ethiopia 2 years compare
- 156 Gibraltar 2 years compare
- 156 Grenada 2 years compare
- 156 Guatemala 2 years compare
- 156 Guyana 2 years compare
- 156 Honduras 2 years compare
- 156 Ireland 2 years compare
- 156 Jamaica 2 years compare
- 156 Jordan 2 years compare
- 156 Kazakhstan 2 years compare
- 156 Kyrgyzstan 2 years compare
- 156 Lesotho 2 years compare
- 156 Lithuania 2 years compare
- 156 Malawi 2 years compare
- 156 Maldives 2 years compare
- 156 Marshall Islands 2 years compare
- 156 Moldova 2 years compare
- 156 Mozambique 2 years compare
- 156 Myanmar 2 years compare
- 156 Namibia 2 years compare
- 156 Nauru 2 years compare
- 156 Nicaragua 2 years compare
- 156 Oman 2 years compare
- 156 Peru 2 years compare
- 156 Philippines 2 years compare
- 156 Russia 2 years compare
- 156 Singapore 2 years compare
- 156 Saint Kitts and Nevis 2 years compare
- 156 Saint Lucia 2 years compare
- 156 Saint Vincent and the Grenadines 2 years compare
- 156 Tajikistan 2 years compare
- 156 Tanzania 2 years compare
- 156 Trinidad and Tobago 2 years compare
- 156 Turkmenistan 2 years compare
- 156 Turks and Caicos Islands 2 years compare
- 156 Uganda 2 years compare
- 156 Ukraine 2 years compare
- 156 Venezuela 2 years compare
More education data for Tonga
- Gender gap education levels, gaps filled 87.87 (1999)
- Primary enrollment selected countries, gaps filled 98.13 (2023)
- Teachers in secondary education, both sexes (number), gaps filled 1,086 (2015)
- Repeaters in primary education, all grades, both sexes (number), gaps 20 (2024)
- Enrolment in pre-primary education, male (number), gaps filled 1,228 (2024)
- Enrolment in pre-primary education, female (number), gaps filled 1,164 (2024)
- Secondary education, pupils, gaps filled 16,132 (2024)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 15,644 (2024)
- Primary education, pupils, annual growth rate -2.92 % change on previous year (2024)
Frequently asked questions
- What is theoretical duration of upper secondary education in Tonga?
- Theoretical duration of upper secondary education in Tonga was 2 years in 2020, according to UNESCO Institute for Statistics.
- What is the highest theoretical duration of upper secondary education recorded in Tonga?
- The highest recorded value was 3 years in 1984.
- What is the lowest theoretical duration of upper secondary education recorded in Tonga?
- The lowest recorded value was 2 years in 1970.
- How does Tonga rank for theoretical duration of upper secondary education?
- Tonga ranks 156th out of 209 countries with data for 2020.
- Is theoretical duration of upper secondary education rising or falling in Tonga?
- Over the last ten years it is unchanged. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Theoretical duration of upper secondary education (years). Statizoid updates them automatically from the source API.
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About this data
Number of grades (years) in upper secondary education.