Secondary education, pupils, per square kilometre in Tonga

Tonga: Secondary education, pupils, per square kilometre was 22.2 units per square kilometre in 2023. ▲ Rising

Latest (2023)
22.2 units per square kilometre
Change on year
up 2.0%
World rank
40th
of 205 countries
All-time high
23.73 units per square kilometre
in 1982
All-time low
14.11 units per square kilometre
in 1970
Years of data
38
1970–2023

Secondary education, pupils, per square kilometre in Tonga, 1970–2023

05101520251970199620231970: 14.1 units per square kilometre1971: 14.5 units per square kilometre1972: 14.4 units per square kilometre1973: 14.7 units per square kilometre1974: 15.3 units per square kilometre1975: 15.8 units per square kilometre1978: 17.8 units per square kilometre1981: 23 units per square kilometre1982: 23.7 units per square kilometre1983: 23.4 units per square kilometre1984: 23.6 units per square kilometre1985: 21.2 units per square kilometre1986: 18.9 units per square kilometre1990: 20.5 units per square kilometre1991: 20.6 units per square kilometre1993: 23 units per square kilometre1998: 19 units per square kilometre1999: 20.4 units per square kilometre2000: 20.2 units per square kilometre2001: 19.6 units per square kilometre2002: 20.2 units per square kilometre2003: 21.9 units per square kilometre2004: 19.5 units per square kilometre2006: 19.4 units per square kilometre2007: 20.2 units per square kilometre2008: 20.3 units per square kilometre2009: 20.4 units per square kilometre2010: 20.5 units per square kilometre2011: 20.7 units per square kilometre2012: 20.5 units per square kilometre2013: 20.6 units per square kilometre2014: 20.7 units per square kilometre2015: 21.9 units per square kilometre2019: 21.3 units per square kilometre2020: 20.1 units per square kilometre2021: 23.7 units per square kilometre2022: 21.8 units per square kilometre2023: 22.2 units per square kilometre

Source: Statizoid (derived). Measured in units per square kilometre.

Analysis

The most recent figure for secondary education, pupils, per square kilometre in Tonga is 22.2 units per square kilometre, measured in 2023.

The figure is up 2.0% on the previous year and up 7.7% over ten years.

Over the whole period, secondary education, pupils, per square kilometre in Tonga peaked at 23.73 units per square kilometre in 1982 and was at its lowest, 14.11 units per square kilometre, in 1970.

That places Tonga 40th out of 205 countries with data for 2023, putting it in the top quarter.

The long-run direction has been consistently rising across the 38 years of available data.

Secondary education, pupils, per square kilometre in Tonga, year by year

Annual values for Secondary education, pupils, per square kilometre in Tonga, 1970 to 2023.
Year units per square kilometre Change
1970 14.11 units per square kilometre
1971 14.52 units per square kilometre +2.9%
1972 14.4 units per square kilometre -0.8%
1973 14.66 units per square kilometre +1.7%
1974 15.35 units per square kilometre +4.7%
1975 15.77 units per square kilometre +2.7%
1978 17.77 units per square kilometre +12.7%
1981 23.01 units per square kilometre +29.5%
1982 23.73 units per square kilometre +3.1%
1983 23.36 units per square kilometre -1.5%
1984 23.62 units per square kilometre +1.1%
1985 21.16 units per square kilometre -10.4%
1986 18.87 units per square kilometre -10.8%
1990 20.48 units per square kilometre +8.6%
1991 20.59 units per square kilometre +0.5%
1993 23.01 units per square kilometre +11.8%
1998 18.97 units per square kilometre -17.6%
1999 20.43 units per square kilometre +7.7%
2000 20.17 units per square kilometre -1.3%
2001 19.62 units per square kilometre -2.7%
2002 20.23 units per square kilometre +3.1%
2003 21.87 units per square kilometre +8.1%
2004 19.49 units per square kilometre -10.9%
2006 19.36 units per square kilometre -0.7%
2007 20.25 units per square kilometre +4.6%
2008 20.32 units per square kilometre +0.4%
2009 20.38 units per square kilometre +0.3%
2010 20.52 units per square kilometre +0.7%
2011 20.66 units per square kilometre +0.7%
2012 20.53 units per square kilometre -0.6%
2013 20.61 units per square kilometre +0.4%
2014 20.73 units per square kilometre +0.6%
2015 21.94 units per square kilometre +5.8%
2019 21.28 units per square kilometre -3.0%
2020 20.12 units per square kilometre -5.5%
2021 23.71 units per square kilometre +17.8%
2022 21.76 units per square kilometre -8.2%
2023 22.2 units per square kilometre +2.0%

Averages by decade

DecadeAverage LowestHighest Years
1970s 15.23 units per square kilometre 14.11 units per square kilometre 17.77 units per square kilometre 7
1980s 22.29 units per square kilometre 18.87 units per square kilometre 23.73 units per square kilometre 6
1990s 20.7 units per square kilometre 18.97 units per square kilometre 23.01 units per square kilometre 5
2000s 20.19 units per square kilometre 19.36 units per square kilometre 21.87 units per square kilometre 9
2010s 20.9 units per square kilometre 20.52 units per square kilometre 21.94 units per square kilometre 7
2020s 21.94 units per square kilometre 20.12 units per square kilometre 23.71 units per square kilometre 4

Countries ranked near Tonga

  1. 37 Nepal 25.78 units per square kilometre compare
  2. 38 Saint Vincent and the Grenadines 24.89 units per square kilometre compare
  3. 39 Grenada 24.14 units per square kilometre compare
  4. 41 Pakistan 22.01 units per square kilometre compare
  5. 42 El Salvador 21.36 units per square kilometre compare
  6. 43 Kiribati 20.92 units per square kilometre compare

See the full ranking of 250 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is secondary education, pupils, per square kilometre in Tonga?
Secondary education, pupils, per square kilometre in Tonga was 22.2 units per square kilometre in 2023, according to Statizoid (derived).
What is the highest secondary education, pupils, per square kilometre recorded in Tonga?
The highest recorded value was 23.73 units per square kilometre in 1982.
What is the lowest secondary education, pupils, per square kilometre recorded in Tonga?
The lowest recorded value was 14.11 units per square kilometre in 1970.
How does Tonga rank for secondary education, pupils, per square kilometre?
Tonga ranks 40th out of 205 countries with data for 2023.
Is secondary education, pupils, per square kilometre rising or falling in Tonga?
Over the last ten years it is up 7.7%. 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, pupils, per square kilometre. Statizoid updates them automatically from the source API.

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Secondary education, pupils, per square kilometre in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 05 September 2026, from https://education.statizoid.com/stat/secondary-education-pupils-per-square-kilometre/tonga/

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How this figure is calculated

Secondary education, pupils 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, pupils ÷ 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, pupils, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
250 places, 9,655 data points, 1970–2023
Last refreshed

Secondary education, pupils 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.