GOAL 6: Clean Water and Sanitation in Tonga

Tonga: GOAL 6: Clean Water and Sanitation was 0.429 5 year moving average in 2023. ▲ Rising

Latest (2023)
0.429 5 year moving average
Change on year
down 14.2%
World rank
185th
of 215 countries
All-time high
0.833 5 year moving average
in 2020
All-time low
0.2 5 year moving average
in 2010
Years of data
20
2004–2023

GOAL 6: Clean Water and Sanitation in Tonga, 2004–2023

0.20.40.60.82004201320232004: 0.25 5 year moving average2005: 0.25 5 year moving average2006: 0.25 5 year moving average2007: 0.25 5 year moving average2008: 0.25 5 year moving average2009: 0.25 5 year moving average2010: 0.2 5 year moving average2011: 0.2 5 year moving average2012: 0.2 5 year moving average2013: 0.2 5 year moving average2014: 0.4 5 year moving average2015: 0.4 5 year moving average2016: 0.4 5 year moving average2017: 0.4 5 year moving average2018: 0.5 5 year moving average2019: 0.5 5 year moving average2020: 0.833 5 year moving average2021: 0.625 5 year moving average2022: 0.5 5 year moving average2023: 0.429 5 year moving average

Source: Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators). Measured in 5 year moving average.

Analysis

The most recent figure for goal 6: clean water and sanitation in Tonga is 0.429 5 year moving average, measured in 2023.

The figure is down 14.2% on the previous year and up 114.5% over ten years.

Over the whole period, goal 6: clean water and sanitation in Tonga peaked at 0.833 5 year moving average in 2020 and was at its lowest, 0.2 5 year moving average, in 2010.

Tonga ranks 185th of 215 countries on this measure, in the bottom quarter.

The long-run direction has been consistently rising across the 20 years of available data.

GOAL 6: Clean Water and Sanitation in Tonga, year by year

Annual values for GOAL 6: Clean Water and Sanitation (5 year moving average) in Tonga, 2004 to 2023.
Year 5 year moving average Change
2004 0.25 5 year moving average —
2005 0.25 5 year moving average +0.0%
2006 0.25 5 year moving average +0.0%
2007 0.25 5 year moving average +0.0%
2008 0.25 5 year moving average +0.0%
2009 0.25 5 year moving average +0.0%
2010 0.2 5 year moving average -20.0%
2011 0.2 5 year moving average +0.0%
2012 0.2 5 year moving average +0.0%
2013 0.2 5 year moving average +0.0%
2014 0.4 5 year moving average +100.0%
2015 0.4 5 year moving average +0.0%
2016 0.4 5 year moving average +0.0%
2017 0.4 5 year moving average +0.0%
2018 0.5 5 year moving average +25.0%
2019 0.5 5 year moving average +0.0%
2020 0.833 5 year moving average +66.6%
2021 0.625 5 year moving average -25.0%
2022 0.5 5 year moving average -20.0%
2023 0.429 5 year moving average -14.2%

Tonga compared with similar countries

  • Tonga's 0.429 5 year moving average is below the median for upper middle income countries, which is 0.857 5 year moving average, 50% of the median. (58 countries reporting)
  • Tonga's 0.429 5 year moving average is below the median for East Asia & Pacific, which is 0.714 5 year moving average, 60% of the median. (37 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 0.25 5 year moving average 0.25 5 year moving average 0.25 5 year moving average 6
2010s 0.34 5 year moving average 0.2 5 year moving average 0.5 5 year moving average 10
2020s 0.5968 5 year moving average 0.429 5 year moving average 0.833 5 year moving average 4

Countries ranked near Tonga

  1. 185 Andorra 0.429 5 year moving average compare
  2. 185 Bahamas 0.429 5 year moving average compare
  3. 185 Bermuda 0.429 5 year moving average compare
  4. 185 Micronesia (country) 0.429 5 year moving average compare
  5. 185 Monaco 0.429 5 year moving average compare
  6. 185 Nauru 0.429 5 year moving average compare
  7. 185 Palau 0.429 5 year moving average compare
  8. 185 Puerto Rico 0.429 5 year moving average compare
  9. 185 Samoa 0.429 5 year moving average compare
  10. 185 San Marino 0.429 5 year moving average compare

See the full ranking of 215 places →

More reference data data for Tonga

All data for Tonga →

Frequently asked questions

What is goal 6: clean water and sanitation in Tonga?
Goal 6: clean water and sanitation in Tonga was 0.429 5 year moving average in 2023, according to Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators).
What is the highest goal 6: clean water and sanitation recorded in Tonga?
The highest recorded value was 0.833 5 year moving average in 2020.
What is the lowest goal 6: clean water and sanitation recorded in Tonga?
The lowest recorded value was 0.2 5 year moving average in 2010.
How does Tonga rank for goal 6: clean water and sanitation?
Tonga ranks 185th out of 215 countries with data for 2023.
Is goal 6: clean water and sanitation rising or falling in Tonga?
Over the last ten years it is up 114.5%. The long-run trend across the full record is rising.
Where does this Tonga data come from?
The figures come from Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators), published as part of GOAL 6: Clean Water and Sanitation (5 year moving average). Statizoid updates them automatically from the source API.

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GOAL 6: Clean Water and Sanitation in Tonga. Statizoid, drawing on Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators). Retrieved 29 September 2026, from https://reference.statizoid.com/stat/goal-6-clean-water-and-sanitation-5-year-moving-average/tonga/

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About this data

Indicator
GOAL 6: Clean Water and Sanitation (5 year moving average)
Unit
5 year moving average
Source
Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
215 places, 4,300 data points, 2004–2023
Last refreshed

SDG Goal 6 data availability. Source: UN Global SDG Indicators Database