Proportion of population using on-site sanitation facilities with in Tonga

Tonga: Proportion of population using on-site sanitation facilities with was 29.77 in 2024. ▼ Falling

Latest (2024)
29.77
Change on year
down 0.0%
World rank
32nd
of 155 countries
All-time high
40.52
in 2010
All-time low
29.77
in 2024
Years of data
25
2000–2024

Proportion of population using on-site sanitation facilities with in Tonga, 2000–2024

0102030402000201220242000: 38.42001: 38.42002: 38.42003: 38.42004: 38.42005: 38.82006: 39.22007: 39.62008: 402009: 40.32010: 40.52011: 39.62012: 38.72013: 37.82014: 36.92015: 362016: 35.22017: 34.32018: 33.42019: 32.52020: 31.72021: 30.82022: 30.32023: 29.82024: 29.8

Source: UNICEF.

Analysis

In 2024, proportion of population using on-site sanitation facilities with in Tonga stood at 29.77. That is the lowest value across all 25 years on record.

Compared with earlier readings it is down 19.4% over ten years.

Over the whole period, proportion of population using on-site sanitation facilities with in Tonga peaked at 40.52 in 2010 and was at its lowest, 29.77, in 2024.

That places Tonga 32nd out of 155 countries with data for 2024, putting it in the top quarter.

The long-run direction has been consistently falling across the 25 years of available data.

Proportion of population using on-site sanitation facilities with in Tonga, year by year

Annual values for Proportion of population using on-site sanitation facilities with human waste disposed in situ (Sanitation) in Tonga, 2000 to 2024.
Year Value Change
2000 38.4
2001 38.4 -0.0%
2002 38.39 -0.0%
2003 38.39 -0.0%
2004 38.39 -0.0%
2005 38.79 +1.0%
2006 39.18 +1.0%
2007 39.58 +1.0%
2008 39.97 +1.0%
2009 40.34 +0.9%
2010 40.52 +0.4%
2011 39.6 -2.3%
2012 38.7 -2.3%
2013 37.8 -2.3%
2014 36.91 -2.4%
2015 36.03 -2.4%
2016 35.15 -2.4%
2017 34.28 -2.5%
2018 33.4 -2.5%
2019 32.53 -2.6%
2020 31.67 -2.7%
2021 30.8 -2.7%
2022 30.25 -1.8%
2023 29.77 -1.6%
2024 29.77 -0.0%

Averages by decade

DecadeAverage LowestHighest Years
2000s 38.98 38.39 40.34 10
2010s 36.49 32.53 40.52 10
2020s 30.45 29.77 31.67 5

Countries ranked near Tonga

  1. 29 Azerbaijan 33.87 compare
  2. 30 Mozambique 33.59 compare
  3. 31 El Salvador 33.14 compare
  4. 33 Nigeria 29.12 compare
  5. 34 Pakistan 28.24 compare
  6. 35 Sao Tome and Principe 28.02 compare

See the full ranking of 216 places →

More population data for Tonga

All data for Tonga →

Frequently asked questions

What is proportion of population using on-site sanitation facilities with in Tonga?
Proportion of population using on-site sanitation facilities with in Tonga was 29.77 in 2024, according to UNICEF.
What is the highest proportion of population using on-site sanitation facilities with recorded in Tonga?
The highest recorded value was 40.52 in 2010.
What is the lowest proportion of population using on-site sanitation facilities with recorded in Tonga?
The lowest recorded value was 29.77 in 2024.
How does Tonga rank for proportion of population using on-site sanitation facilities with?
Tonga ranks 32nd out of 155 countries with data for 2024.
Is proportion of population using on-site sanitation facilities with rising or falling in Tonga?
Over the last ten years it is down 19.4%. The long-run trend across the full record is falling.
Where does this Tonga data come from?
The figures come from UNICEF, published as part of Proportion of population using on-site sanitation facilities with human waste disposed in situ (Sanitation). Statizoid updates them automatically from the source API.

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Proportion of population using on-site sanitation facilities with in Tonga. Statizoid, drawing on UNICEF. Retrieved 25 August 2026, from https://population.statizoid.com/stat/proportion-of-population-using-on-site-sanitation-facilities-with-human-waste-disposed-in-2/tonga/

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About this data

Indicator
Proportion of population using on-site sanitation facilities with human waste disposed in situ (Sanitation)
Source
UNICEF
Licence
UNICEF Terms of Use (attribution required)
Coverage
216 places, 5,290 data points, 2000–2024
Last refreshed