Proportion of population using sanitation facilities connected to in Tonga

Tonga: Proportion of population using sanitation facilities connected to was 3.1 in 2024. ◆ Volatile

Latest (2024)
3.1
Change on year
down 0.0%
World rank
180th
of 222 countries
All-time high
3.11
in 2021
All-time low
0
in 2000
Years of data
25
2000–2024

Proportion of population using sanitation facilities connected to in Tonga, 2000–2024

01232000201220242000: 02001: 02002: 02003: 02004: 02005: 02006: 02007: 02008: 02009: 0.0282010: 0.2712011: 0.5282012: 0.7862013: 12014: 1.32015: 1.62016: 1.82017: 2.12018: 2.32019: 2.62020: 2.82021: 3.12022: 3.12023: 3.12024: 3.1

Source: UNICEF.

Analysis

The most recent figure for proportion of population using sanitation facilities connected to in Tonga is 3.1, measured in 2024.

Compared with earlier readings it is up 138.6% over ten years.

Over the whole period, proportion of population using sanitation facilities connected to in Tonga peaked at 3.11 in 2021 and was at its lowest, 0, in 2000.

That places Tonga 180th out of 222 countries with data for 2024, putting it in the bottom quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
2000s 0.0028 0 0.0281 10
2010s 1.43 0.2712 2.59 10
2020s 3.05 2.85 3.11 5

Countries ranked near Tonga

  1. 177 Nepal 4 compare
  2. 178 Viet Nam 3.81 compare
  3. 179 Guyana 3.31 compare
  4. 181 Afghanistan 3.1 compare
  5. 182 Eritrea 3.05 compare
  6. 183 Lao People's Democratic Republic 2.36 compare

See the full ranking of 283 places →

More population data for Tonga

All data for Tonga →

Frequently asked questions

What is proportion of population using sanitation facilities connected to in Tonga?
Proportion of population using sanitation facilities connected to in Tonga was 3.1 in 2024, according to UNICEF.
What is the highest proportion of population using sanitation facilities connected to recorded in Tonga?
The highest recorded value was 3.11 in 2021.
What is the lowest proportion of population using sanitation facilities connected to recorded in Tonga?
The lowest recorded value was 0 in 2000.
How does Tonga rank for proportion of population using sanitation facilities connected to?
Tonga ranks 180th out of 222 countries with data for 2024.
Is proportion of population using sanitation facilities connected to rising or falling in Tonga?
Over the last ten years it is up 138.6%. The long-run trend across the full record is volatile.
Where does this Tonga data come from?
The figures come from UNICEF, published as part of Proportion of population using sanitation facilities connected to sewer networks (Sanitation). Statizoid updates them automatically from the source API.

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Proportion of population using sanitation facilities connected to in Tonga. Statizoid, drawing on UNICEF. Retrieved 21 August 2026, from https://population.statizoid.com/stat/proportion-of-population-using-sanitation-facilities-connected-to-sewer-networks/tonga/

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About this data

Indicator
Proportion of population using sanitation facilities connected to sewer networks (Sanitation)
Source
UNICEF
Licence
UNICEF Terms of Use (attribution required)
Coverage
283 places, 6,880 data points, 2000–2024
Last refreshed