Secondary education, teachers, per square kilometre (Secondary square) in Tonga
Tonga: Secondary education, teachers, per square kilometre (Secondary square) was 1.51 units per square kilometre in 2015. ▲ Rising
Secondary education, teachers, per square kilometre in Tonga, 1970–2015
Source: Statizoid (derived). Measured in units per square kilometre.
Analysis
In 2015, secondary education, teachers, per square kilometre in Tonga stood at 1.51 units per square kilometre.
That represents a change of down 2.7% on the previous year and up 10.6% over ten years.
Over the whole period, secondary education, teachers, per square kilometre in Tonga peaked at 1.95 units per square kilometre in 1998 and was at its lowest, 0.5944 units per square kilometre, in 1970.
Tonga ranks 46th of 201 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 19 years of available data.
Secondary education, teachers, per square kilometre (Secondary square) in Tonga, year by year
| Year | units per square kilometre | Change |
|---|---|---|
| 1970 | 0.5944 units per square kilometre | — |
| 1984 | 1.18 units per square kilometre | +99.3% |
| 1985 | 1.17 units per square kilometre | -1.5% |
| 1986 | 1.11 units per square kilometre | -4.9% |
| 1990 | 1.16 units per square kilometre | +4.1% |
| 1991 | 1.22 units per square kilometre | +5.3% |
| 1998 | 1.95 units per square kilometre | +60.0% |
| 1999 | 1.4 units per square kilometre | -28.2% |
| 2000 | 1.38 units per square kilometre | -1.3% |
| 2001 | 1.42 units per square kilometre | +2.8% |
| 2002 | 1.41 units per square kilometre | -0.9% |
| 2007 | 1.36 units per square kilometre | -3.0% |
| 2008 | 1.37 units per square kilometre | +0.5% |
| 2009 | 1.36 units per square kilometre | -0.6% |
| 2010 | 1.38 units per square kilometre | +1.2% |
| 2011 | 1.42 units per square kilometre | +2.8% |
| 2013 | 1.55 units per square kilometre | +9.3% |
| 2014 | 1.55 units per square kilometre | +0.0% |
| 2015 | 1.51 units per square kilometre | -2.7% |
Tonga compared with similar countries
- Tonga's 1.51 units per square kilometre is above the median for upper middle income countries, which is 0.6813 units per square kilometre, 2.2× the median. (57 countries reporting)
- Tonga's 1.51 units per square kilometre is above the median for East Asia & Pacific, which is 0.7501 units per square kilometre, 2.0× the median. (34 countries reporting)
Biggest year-on-year movements
Years where Secondary education, teachers, per square kilometre (Secondary square) in Tonga changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1984 | +99.3% | 0.5944 units per square kilometre | 1.18 units per square kilometre |
| 1998 | +60.0% | 1.22 units per square kilometre | 1.95 units per square kilometre |
| 1999 | -28.2% | 1.95 units per square kilometre | 1.4 units per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.5944 units per square kilometre | 0.5944 units per square kilometre | 0.5944 units per square kilometre | 1 |
| 1980s | 1.15 units per square kilometre | 1.11 units per square kilometre | 1.18 units per square kilometre | 3 |
| 1990s | 1.43 units per square kilometre | 1.16 units per square kilometre | 1.95 units per square kilometre | 4 |
| 2000s | 1.38 units per square kilometre | 1.36 units per square kilometre | 1.42 units per square kilometre | 6 |
| 2010s | 1.48 units per square kilometre | 1.38 units per square kilometre | 1.55 units per square kilometre | 5 |
Countries ranked near Tonga
- 43 Italy 1.55 units per square kilometre compare
- 44 Cayman Islands 1.54 units per square kilometre compare
- 45 Seychelles 1.52 units per square kilometre compare
- 47 Vietnam 1.46 units per square kilometre compare
- 48 Trinidad and Tobago 1.43 units per square kilometre compare
- 49 Azerbaijan 1.41 units per square kilometre
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 secondary education, teachers, per square kilometre in Tonga?
- Secondary education, teachers, per square kilometre in Tonga was 1.51 units per square kilometre in 2015, according to Statizoid (derived).
- What is the highest secondary education, teachers, per square kilometre recorded in Tonga?
- The highest recorded value was 1.95 units per square kilometre in 1998.
- What is the lowest secondary education, teachers, per square kilometre recorded in Tonga?
- The lowest recorded value was 0.5944 units per square kilometre in 1970.
- How does Tonga rank for secondary education, teachers, per square kilometre?
- Tonga ranks 46th out of 201 countries with data for 2015.
- Is secondary education, teachers, per square kilometre rising or falling in Tonga?
- Over the last ten years it is up 10.6%. The long-run trend across the full record is rising.
- Where does this Tonga data come from?
- The figures come from Statizoid (derived), published as part of Secondary education, teachers, per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 19 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Secondary education, teachers divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
Secondary education, teachers ÷ Land area (sq. km)
Computed from
- Secondary education, teachers Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Secondary education, teachers divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.