Secondary education, teachers, per square kilometre in Tonga

Tonga: Secondary education, teachers, per square kilometre was 1.51 units per square kilometre in 2015. ▲ Rising

Latest (2015)
1.51 units per square kilometre
Change on year
down 2.7%
World rank
46th
of 201 countries
All-time high
1.95 units per square kilometre
in 1998
All-time low
0.5944 units per square kilometre
in 1970
Years of data
19
1970–2015

Secondary education, teachers, per square kilometre in Tonga, 1970–2015

0.511.521970199220151970: 0.594 units per square kilometre1984: 1.2 units per square kilometre1985: 1.2 units per square kilometre1986: 1.1 units per square kilometre1990: 1.2 units per square kilometre1991: 1.2 units per square kilometre1998: 1.9 units per square kilometre1999: 1.4 units per square kilometre2000: 1.4 units per square kilometre2001: 1.4 units per square kilometre2002: 1.4 units per square kilometre2007: 1.4 units per square kilometre2008: 1.4 units per square kilometre2009: 1.4 units per square kilometre2010: 1.4 units per square kilometre2011: 1.4 units per square kilometre2013: 1.6 units per square kilometre2014: 1.6 units per square kilometre2015: 1.5 units per square kilometre

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 in Tonga, year by year

Annual values for Secondary education, teachers, per square kilometre in Tonga, 1970 to 2015.
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%

Averages by decade

DecadeAverage LowestHighest 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

  1. 43 Italy 1.55 units per square kilometre compare
  2. 44 Cayman Islands 1.54 units per square kilometre compare
  3. 45 Seychelles 1.52 units per square kilometre compare
  4. 47 Viet Nam 1.46 units per square kilometre compare
  5. 48 Trinidad and Tobago 1.43 units per square kilometre compare
  6. 49 Azerbaijan 1.41 units per square kilometre

See the full ranking of 246 places →

More education data for Tonga

All data for Tonga →

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.

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Secondary education, teachers, per square kilometre in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 30 August 2026, from https://education.statizoid.com/stat/secondary-education-teachers-per-square-kilometre/tonga/

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<a href="https://education.statizoid.com/stat/secondary-education-teachers-per-square-kilometre/tonga/">Secondary education, teachers, per square kilometre in Tonga</a> — Statizoid

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

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

Indicator
Secondary education, teachers, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
246 places, 7,445 data points, 1970–2023
Last refreshed

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.