Proportion of population using unimproved sanitation facilites in Tonga

Tonga: Proportion of population using unimproved sanitation facilites was 1.41 in 2024. ▼ Falling

Latest (2024)
1.41
Change on year
down 0.1%
World rank
112th
of 231 countries
All-time high
9.91
in 2000
All-time low
1.41
in 2024
Years of data
25
2000–2024

Proportion of population using unimproved sanitation facilites in Tonga, 2000–2024

2468102000201220242000: 9.92001: 9.92002: 9.92003: 9.92004: 9.92005: 9.42006: 92007: 8.52008: 8.12009: 7.62010: 7.22011: 6.72012: 6.32013: 5.92014: 5.42015: 52016: 4.52017: 4.12018: 3.62019: 3.22020: 2.72021: 2.32022: 1.92023: 1.42024: 1.4

Source: UNICEF.

Analysis

The most recent figure for proportion of population using unimproved sanitation facilites in Tonga is 1.41, measured in 2024. That is the lowest value across all 25 years on record.

The figure is down 0.1% on the previous year and down 74.0% over ten years.

Over the whole period, proportion of population using unimproved sanitation facilites in Tonga peaked at 9.91 in 2000 and was at its lowest, 1.41, in 2024.

That places Tonga 112th out of 231 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.

Averages by decade

DecadeAverage LowestHighest Years
2000s 9.22 7.64 9.91 10
2010s 5.19 3.2 7.19 10
2020s 1.94 1.41 2.75 5

Countries ranked near Tonga

  1. 109 Nepal 1.49 compare
  2. 110 Niue 1.46 compare
  3. 111 Canada 1.41 compare
  4. 113 Dominican Republic 1.36 compare
  5. 114 Uzbekistan 1.34 compare
  6. 115 Turks and Caicos Islands 1.28 compare

See the full ranking of 292 places →

More population data for Tonga

All data for Tonga →

Frequently asked questions

What is proportion of population using unimproved sanitation facilites in Tonga?
Proportion of population using unimproved sanitation facilites in Tonga was 1.41 in 2024, according to UNICEF.
What is the highest proportion of population using unimproved sanitation facilites recorded in Tonga?
The highest recorded value was 9.91 in 2000.
What is the lowest proportion of population using unimproved sanitation facilites recorded in Tonga?
The lowest recorded value was 1.41 in 2024.
How does Tonga rank for proportion of population using unimproved sanitation facilites?
Tonga ranks 112th out of 231 countries with data for 2024.
Is proportion of population using unimproved sanitation facilites rising or falling in Tonga?
Over the last ten years it is down 74.0%. 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 unimproved sanitation facilites (Sanitation). Statizoid updates them automatically from the source API.

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Proportion of population using unimproved sanitation facilites in Tonga. Statizoid, drawing on UNICEF. Retrieved 21 August 2026, from https://population.statizoid.com/stat/proportion-of-population-using-unimproved-sanitation-facilites-sanitation/tonga/

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About this data

Indicator
Proportion of population using unimproved sanitation facilites (Sanitation)
Source
UNICEF
Licence
UNICEF Terms of Use (attribution required)
Coverage
292 places, 7,089 data points, 2000–2024
Last refreshed