School age population, secondary education, both sexes in Tonga

Tonga: School age population, secondary education, both sexes was 16,452 number in 2020. ▲ Rising

Latest (2020)
16,452 number
Change on year
up 1.0%
World rank
179th
of 205 countries
All-time high
17,746 number
in 1984
All-time low
11,735 number
in 1970
Years of data
51
1970–2020

School age population, secondary education, both sexes in Tonga, 1970–2020

05.0k10.0k15.0k20.0k197019952020

Source: UNESCO Institute for Statistics. Measured in number.

Analysis

In 2020, school age population, secondary education, both sexes in Tonga stood at 16,452 number.

Compared with earlier readings it is up 1.0% on the previous year and up 15.4% over ten years.

Over the whole period, school age population, secondary education, both sexes in Tonga peaked at 17,746 number in 1984 and was at its lowest, 11,735 number, in 1970.

That places Tonga 179th out of 205 countries with data for 2020, putting it in the bottom quarter.

The long-run direction has been consistently rising across the 51 years of available data.

School age population, secondary education, both sexes in Tonga, year by year

Annual values for School age population, secondary education, both sexes (number) in Tonga, 1970 to 2020.
Year number Change
1970 11,735 number
1971 12,146 number +3.5%
1972 12,603 number +3.8%
1973 13,108 number +4.0%
1974 13,689 number +4.4%
1975 14,342 number +4.8%
1976 14,669 number +2.3%
1977 14,899 number +1.6%
1978 15,093 number +1.3%
1979 15,329 number +1.6%
1980 15,613 number +1.9%
1981 15,720 number +0.7%
1982 15,701 number -0.1%
1983 15,592 number -0.7%
1984 17,746 number +13.8%
1985 17,446 number -1.7%
1986 16,720 number -4.2%
1987 16,096 number -3.7%
1988 15,604 number -3.1%
1989 15,219 number -2.5%
1990 14,982 number -1.6%
1991 14,980 number -0.0%
1992 15,161 number +1.2%
1993 15,494 number +2.2%
1994 15,965 number +3.0%
1995 16,468 number +3.2%
1996 16,545 number +0.5%
1997 16,573 number +0.2%
1998 14,253 number -14.0%
1999 13,951 number -2.1%
2000 13,620 number -2.4%
2001 13,311 number -2.3%
2002 13,167 number -1.1%
2003 13,194 number +0.2%
2004 13,410 number +1.6%
2005 13,715 number +2.3%
2006 13,948 number +1.7%
2007 14,144 number +1.4%
2008 14,284 number +1.0%
2009 14,316 number +0.2%
2010 14,257 number -0.4%
2011 14,021 number -1.7%
2012 15,640 number +11.5%
2013 15,493 number -0.9%
2014 15,508 number +0.1%
2015 15,665 number +1.0%
2016 15,751 number +0.5%
2017 15,899 number +0.9%
2018 16,091 number +1.2%
2019 16,286 number +1.2%
2020 16,452 number +1.0%

Averages by decade

DecadeAverage LowestHighest Years
1970s 13,761 number 11,735 number 15,329 number 10
1980s 16,146 number 15,219 number 17,746 number 10
1990s 15,437 number 13,951 number 16,573 number 10
2000s 13,711 number 13,167 number 14,316 number 10
2010s 15,461 number 14,021 number 16,286 number 10
2020s 16,452 number 16,452 number 16,452 number 1

Countries ranked near Tonga

  1. 176 Maldives 26,656 number compare
  2. 177 Macau, China 25,731 number compare
  3. 178 Barbados 18,297 number compare
  4. 180 Kiribati 15,970 number compare
  5. 181 Micronesia, Federated States of 13,932 number compare
  6. 182 Curaçao 13,212 number compare

See the full ranking of 250 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is school age population, secondary education, both sexes in Tonga?
School age population, secondary education, both sexes in Tonga was 16,452 number in 2020, according to UNESCO Institute for Statistics.
What is the highest school age population, secondary education, both sexes recorded in Tonga?
The highest recorded value was 17,746 number in 1984.
What is the lowest school age population, secondary education, both sexes recorded in Tonga?
The lowest recorded value was 11,735 number in 1970.
How does Tonga rank for school age population, secondary education, both sexes?
Tonga ranks 179th out of 205 countries with data for 2020.
Is school age population, secondary education, both sexes rising or falling in Tonga?
Over the last ten years it is up 15.4%. The long-run trend across the full record is rising.
Where does this Tonga data come from?
The figures come from UNESCO Institute for Statistics, published as part of School age population, secondary education, both sexes (number). Statizoid updates them automatically from the source API.

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School age population, secondary education, both sexes in Tonga. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 25 August 2026, from https://education.statizoid.com/stat/school-age-population-secondary-education-both-sexes-number/tonga/

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About this data

Indicator
School age population, secondary education, both sexes (number)
Unit
number
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
250 places, 12,261 data points, 1970–2020
Last refreshed

Population of the age-group theoretically corresponding to secondary education as indicated by theoretical entrance age and duration.