Share of the population using improved sanitation facilities in Tonga

Tonga: Share of the population using improved sanitation facilities was 98.5% in 2024. ▲ Rising

Latest (2024)
98.5%
Change on year
up 0.0%
World rank
115th
of 232 countries
All-time high
98.5%
in 2024
All-time low
89.9%
in 2000
Years of data
25
2000–2024

Share of the population using improved sanitation facilities in Tonga, 2000–2024

0204060801002000201220242000: 89.9 %2001: 89.9 %2002: 89.9 %2003: 89.9 %2004: 89.9 %2005: 90.4 %2006: 90.8 %2007: 91.3 %2008: 91.7 %2009: 92.2 %2010: 92.7 %2011: 93.1 %2012: 93.6 %2013: 94 %2014: 94.5 %2015: 94.9 %2016: 95.3 %2017: 95.8 %2018: 96.2 %2019: 96.7 %2020: 97.1 %2021: 97.6 %2022: 98.1 %2023: 98.5 %2024: 98.5 %

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

Analysis

In 2024, share of the population using improved sanitation facilities in Tonga stood at 98.5%. That is the highest value across all 25 years on record.

That represents a change of up 4.3% over ten years.

Over the whole period, share of the population using improved sanitation facilities in Tonga peaked at 98.5% in 2024 and was at its lowest, 89.9%, in 2000.

That places Tonga 115th out of 232 countries with data for 2024, putting it in the middle of the range.

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

Averages by decade

DecadeAverage LowestHighest Years
2000s 90.6% 89.9% 92.2% 10
2010s 94.7% 92.7% 96.7% 10
2020s 98.0% 97.1% 98.5% 5

Countries ranked near Tonga

  1. 112 Uzbekistan 98.6% compare
  2. 113 Canada 98.6% compare
  3. 114 Rwanda 98.6% compare
  4. 116 Iraq 98.5% compare
  5. 117 American Samoa 98.4% compare
  6. 118 Venezuela, RB 98.4% compare

See the full ranking of 232 places →

More population data for Tonga

All data for Tonga →

Frequently asked questions

What is share of the population using improved sanitation facilities in Tonga?
Share of the population using improved sanitation facilities in Tonga was 98.5% 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 the population using improved sanitation facilities recorded in Tonga?
The highest recorded value was 98.5% in 2024.
What is the lowest share of the population using improved sanitation facilities recorded in Tonga?
The lowest recorded value was 89.9% in 2000.
How does Tonga rank for share of the population using improved sanitation facilities?
Tonga ranks 115th out of 232 countries with data for 2024.
Is share of the population using improved sanitation facilities rising or falling in Tonga?
Over the last ten years it is up 4.3%. The long-run trend across the full record is rising.
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 the population using improved sanitation facilities. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 25 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Share of the population using improved sanitation facilities
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, 5,597 data points, 2000–2024
Last refreshed

Proportion of people using improved sanitation facilities, such as toilets or latrines, regardless of whether they are shared with other households.