Share of people practicing open defecation in Tonga

Tonga: Share of people practicing open defecation was 0.1% in 2024. ▼ Falling

Latest (2024)
0.1%
Change on year
up 0.0%
World rank
116th
of 232 countries
All-time high
0.2%
in 2000
All-time low
0.1%
in 2023
Years of data
25
2000–2024

Share of people practicing open defecation in Tonga, 2000–2024

00.050.10.150.22000201220242000: 0.185 %2001: 0.185 %2002: 0.185 %2003: 0.185 %2004: 0.185 %2005: 0.18 %2006: 0.175 %2007: 0.169 %2008: 0.164 %2009: 0.159 %2010: 0.153 %2011: 0.148 %2012: 0.143 %2013: 0.138 %2014: 0.132 %2015: 0.127 %2016: 0.122 %2017: 0.117 %2018: 0.111 %2019: 0.106 %2020: 0.101 %2021: 0.096 %2022: 0.09 %2023: 0.085 %2024: 0.085 %

Source: WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Measured in %.

Analysis

The most recent figure for share of people practicing open defecation in Tonga is 0.1%, measured in 2024.

Compared with earlier readings it is down 35.8% over ten years.

Over the whole period, share of people practicing open defecation in Tonga peaked at 0.2% in 2000 and was at its lowest, 0.1%, in 2023.

That places Tonga 116th out of 232 countries with data for 2024, putting it in the middle of the range.

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

Share of people practicing open defecation in Tonga, year by year

Annual values for Share of people practicing open defecation in Tonga, 2000 to 2024.
Year % Change
2000 0.2% —
2001 0.2% -0.0%
2002 0.2% -0.0%
2003 0.2% -0.0%
2004 0.2% -0.0%
2005 0.2% -2.9%
2006 0.2% -3.0%
2007 0.2% -3.0%
2008 0.2% -3.1%
2009 0.2% -3.2%
2010 0.2% -3.3%
2011 0.1% -3.5%
2012 0.1% -3.5%
2013 0.1% -3.7%
2014 0.1% -3.8%
2015 0.1% -4.0%
2016 0.1% -4.1%
2017 0.1% -4.3%
2018 0.1% -4.5%
2019 0.1% -4.7%
2020 0.1% -5.0%
2021 0.1% -5.2%
2022 0.1% -5.5%
2023 0.1% -5.8%
2024 0.1% +0.0%

Tonga compared with similar countries

  • Tonga's 0.1% is below the median for upper middle income countries, which is 0.3%, 32% of the median. (58 countries reporting)
  • Tonga's 0.1% is below the median for East Asia & Pacific, which is 0.2%, 53% of the median. (37 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 0.2% 0.2% 0.2% 10
2010s 0.1% 0.1% 0.2% 10
2020s 0.1% 0.1% 0.1% 5

Countries ranked near Tonga

  1. 113 Bahamas 0.1% compare
  2. 114 Saudi Arabia 0.1% compare
  3. 115 North Macedonia 0.1% compare
  4. 117 Qatar 0.1% compare
  5. 118 Costa Rica 0.1% compare
  6. 119 Serbia 0.1% compare

See the full ranking of 232 places →

More population data for Tonga

All data for Tonga →

Frequently asked questions

What is share of people practicing open defecation in Tonga?
Share of people practicing open defecation in Tonga was 0.1% in 2024, according to WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data.
What is the highest share of people practicing open defecation recorded in Tonga?
The highest recorded value was 0.2% in 2000.
What is the lowest share of people practicing open defecation recorded in Tonga?
The lowest recorded value was 0.1% in 2023.
How does Tonga rank for share of people practicing open defecation?
Tonga ranks 116th out of 232 countries with data for 2024.
Is share of people practicing open defecation rising or falling in Tonga?
Over the last ten years it is down 35.8%. The long-run trend across the full record is falling.
Where does this Tonga data come from?
The figures come from WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data, published as part of Share of people practicing open defecation. Statizoid updates them automatically from the source API.

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Share of people practicing open defecation in Tonga. Statizoid, drawing on WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Retrieved 25 September 2026, from https://population.statizoid.com/stat/people-practicing-open-defecation-of-population/tonga/

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About this data

Indicator
Share of people practicing open defecation
Unit
%
Source
WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
232 places, 5,488 data points, 2000–2024
Last refreshed

Share of people who practice open defecation. This includes defecating in fields, forests, bushes, bodies of water or other open spaces, not using any sanitation facilities.