% of public schools of basic education that have access to sewage via in Tonga

Tonga: % of public schools of basic education that have access to sewage via was 83.1 in 2018. ▬ Flat

Latest (2018)
83.1
Change on year
down 1.1%
World rank
3rd
of 17 countries
All-time high
84.6
in 2016
All-time low
78.8
in 2010
Years of data
9
2010–2018

% of public schools of basic education that have access to sewage via in Tonga, 2010–2018

0204060802010201420182010: 78.82011: 82.12012: 83.72013: 84.22014: 84.32015: 84.22016: 84.62017: 842018: 83.1

Source: UNICEF.

Analysis

Tonga recorded 83.1 for % of public schools of basic education that have access to sewage via in 2018.

That represents a change of down 1.1% on the previous year and up 5.5% over ten years.

Over the whole period, % of public schools of basic education that have access to sewage via in Tonga peaked at 84.6 in 2016 and was at its lowest, 78.8, in 2010.

% of public schools of basic education that have access to sewage via in Tonga, year by year

Annual values for % of public schools of basic education that have access to sewage via pit or septic tank in Tonga, 2010 to 2018.
Year Value Change
2010 78.8
2011 82.1 +4.2%
2012 83.7 +1.9%
2013 84.2 +0.6%
2014 84.3 +0.1%
2015 84.2 -0.1%
2016 84.6 +0.5%
2017 84 -0.7%
2018 83.1 -1.1%

Countries ranked near Tonga

  1. 1 Romania 90.6 compare
  2. 2 Albania 83.7 compare
  3. 4 Morocco 82.5 compare
  4. 5 Panama 77.9 compare
  5. 6 Malta 77.1 compare

See the full ranking of 28 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is % of public schools of basic education that have access to sewage via in Tonga?
% of public schools of basic education that have access to sewage via in Tonga was 83.1 in 2018, according to UNICEF.
What is the highest % of public schools of basic education that have access to sewage via recorded in Tonga?
The highest recorded value was 84.6 in 2016.
What is the lowest % of public schools of basic education that have access to sewage via recorded in Tonga?
The lowest recorded value was 78.8 in 2010.
How does Tonga rank for % of public schools of basic education that have access to sewage via?
Tonga ranks 3rd out of 17 countries with data for 2018.
Is % of public schools of basic education that have access to sewage via rising or falling in Tonga?
Over the last ten years it is up 5.5%. The long-run trend across the full record is flat.
Where does this Tonga data come from?
The figures come from UNICEF, published as part of % of public schools of basic education that have access to sewage via pit or septic tank. Statizoid updates them automatically from the source API.

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% of public schools of basic education that have access to sewage via in Tonga. Statizoid, drawing on UNICEF. Retrieved 05 September 2026, from https://education.statizoid.com/stat/percent-of-public-schools-of-basic-education-that-have-access-to-sewage-via-pit-or-septic/tonga/

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About this data

Indicator
% of public schools of basic education that have access to sewage via pit or septic tank
Source
UNICEF
Licence
UNICEF Terms of Use (attribution required)
Coverage
28 places, 252 data points, 2010–2018
Last refreshed