Lakes and rivers seasonal water area change in Tonga
Tonga: Lakes and rivers seasonal water area change was 160.6% in 2022. ◆ Volatile
Lakes and rivers seasonal water area change in Tonga, 2005–2022
Source: United Nations Statistics Division, SDG Global Database.
Analysis
The most recent figure for lakes and rivers seasonal water area change in Tonga is 160.6%, measured in 2022. That is the highest value across all 18 years on record.
That represents a change of up 0.9% on the previous year and up 710.7% over ten years.
Over the whole period, lakes and rivers seasonal water area change in Tonga peaked at 160.6% in 2022 and was at its lowest, -30.8%, in 2008.
That places Tonga 20th out of 214 countries with data for 2022, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Lakes and rivers seasonal water area change in Tonga, year by year
| Year | Value | Change |
|---|---|---|
| 2005 | -21.4% | — |
| 2006 | -29.8% | +39.3% |
| 2007 | -25.4% | -14.6% |
| 2008 | -30.8% | +21.1% |
| 2009 | -18.5% | -39.8% |
| 2010 | -14.2% | -23.5% |
| 2011 | -16.7% | +17.8% |
| 2012 | -26.3% | +57.4% |
| 2013 | -24.8% | -5.6% |
| 2014 | -8.2% | -67.0% |
| 2015 | 22.3% | -372.1% |
| 2016 | 55.5% | +148.7% |
| 2017 | 100.8% | +81.5% |
| 2018 | 136.1% | +35.1% |
| 2019 | 149.3% | +9.7% |
| 2020 | 146.9% | -1.6% |
| 2021 | 159.1% | +8.3% |
| 2022 | 160.6% | +0.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | -25.2% | -30.8% | -18.5% | 5 |
| 2010s | 37.4% | -26.3% | 149.3% | 10 |
| 2020s | 155.5% | 146.9% | 160.6% | 3 |
Countries ranked near Tonga
More environment data for Tonga
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.234 °C (2025)
- Temperature change 0.858 °C (2025)
- Paper and paperboard — Import value, per unit of GDP 0 1000 USD per US$ of GDP (2024)
- Paper and paperboard — Import value, per capita 0.0059 1000 USD per person (2024)
- Graphic papers — Import quantity, annual growth rate -26.87 % change on previous year (2024)
- Graphic papers — Import quantity, per unit of GDP 0 t per US$ of GDP (2024)
- Graphic papers — Import quantity, per capita 0.0016 t per person (2024)
- Graphic papers — Import value, annual growth rate -45.6 % change on previous year (2024)
- Graphic papers — Import value, per unit of GDP 0 1000 USD per US$ of GDP (2024)
Frequently asked questions
- What is lakes and rivers seasonal water area change in Tonga?
- Lakes and rivers seasonal water area change in Tonga was 160.6% in 2022, according to United Nations Statistics Division, SDG Global Database.
- What is the highest lakes and rivers seasonal water area change recorded in Tonga?
- The highest recorded value was 160.6% in 2022.
- What is the lowest lakes and rivers seasonal water area change recorded in Tonga?
- The lowest recorded value was -30.8% in 2008.
- How does Tonga rank for lakes and rivers seasonal water area change?
- Tonga ranks 20th out of 214 countries with data for 2022.
- Is lakes and rivers seasonal water area change rising or falling in Tonga?
- Over the last ten years it is up 710.7%. The long-run trend across the full record is volatile.
- Where does this Tonga data come from?
- The figures come from United Nations Statistics Division, SDG Global Database, published as part of Lakes and rivers seasonal water area change (%). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 18 observations, free to reuse under UN SDG Global Database (open, attribution requested).