Secondary education, teachers, gaps filled in Tonga

Tonga: Secondary education, teachers, gaps filled was 1,086 in 2015. ▲ Rising

Latest (2015)
1,086
Change on year
down 2.7%
World rank
175th
of 201 countries
All-time high
1,402
in 1998
All-time low
428
in 1970
Years of data
23
1970–2015

Secondary education, teachers, gaps filled in Tonga, 1970–2015

4006008001.0k1.2k1.4k1970199220151970: 4281984: 8531985: 8401986: 7991987: 807.21988: 815.51989: 823.81990: 8321991: 8761998: 1.4k1999: 1.0k2000: 9932001: 1.0k2002: 1.0k2007: 9822008: 9872009: 9812010: 9932011: 1.0k2012: 1.1k2013: 1.1k2014: 1.1k2015: 1.1k

Source: Statizoid (derived).

Analysis

The most recent figure for secondary education, teachers, gaps filled in Tonga is 1,086, measured in 2015.

The figure is down 2.7% on the previous year and up 10.6% over ten years.

Over the whole period, secondary education, teachers, gaps filled in Tonga peaked at 1,402 in 1998 and was at its lowest, 428, in 1970.

That places Tonga 175th out of 201 countries with data for 2015, putting it in the bottom quarter.

The long-run direction has been consistently rising across the 23 years of available data.

Secondary education, teachers, gaps filled in Tonga, year by year

Annual values for Secondary education, teachers, gaps filled in Tonga, 1970 to 2015.
Year Value Change
1970 428
1984 853 +99.3%
1985 840 -1.5%
1986 799 -4.9%
1987 807.25 +1.0%
1988 815.5 +1.0%
1989 823.75 +1.0%
1990 832 +1.0%
1991 876 +5.3%
1998 1,402 +60.0%
1999 1,006 -28.2%
2000 993 -1.3%
2001 1,021 +2.8%
2002 1,012 -0.9%
2007 982 -3.0%
2008 987 +0.5%
2009 981 -0.6%
2010 993 +1.2%
2011 1,021 +2.8%
2012 1,068 +4.7%
2013 1,116 +4.4%
2014 1,116 +0.0%
2015 1,086 -2.7%

Averages by decade

DecadeAverage LowestHighest Years
1970s 428 428 428 1
1980s 823.08 799 853 6
1990s 1,029 832 1,402 4
2000s 996 981 1,021 6
2010s 1,067 993 1,116 6

Countries ranked near Tonga

  1. 172 Barbados 1,244 compare
  2. 173 Samoa 1,211 compare
  3. 174 Vanuatu 1,186 compare
  4. 176 Saint Lucia 1,037 compare
  5. 177 Kiribati 969 compare
  6. 178 Sao Tome and Principe 936 compare

See the full ranking of 246 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is secondary education, teachers, gaps filled in Tonga?
Secondary education, teachers, gaps filled in Tonga was 1,086 in 2015, according to Statizoid (derived).
What is the highest secondary education, teachers, gaps filled recorded in Tonga?
The highest recorded value was 1,402 in 1998.
What is the lowest secondary education, teachers, gaps filled recorded in Tonga?
The lowest recorded value was 428 in 1970.
How does Tonga rank for secondary education, teachers, gaps filled?
Tonga ranks 175th out of 201 countries with data for 2015.
Is secondary education, teachers, gaps filled 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, gaps filled. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 23 observations, free to reuse under Derived by Statizoid from the sources named on the page.

Share, cite or embed this page

Cite this page

Secondary education, teachers, gaps filled in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 23 August 2026, from https://education.statizoid.com/stat/secondary-education-teachers-gaps-filled/tonga/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

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

How this figure is calculated

Secondary education, teachers with 719 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.

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, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
246 places, 8,396 data points, 1970–2025
Last refreshed

Secondary education, teachers with 719 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.