Lakes and rivers permanent water area change in Samoa
Samoa: Lakes and rivers permanent water area change was 29.9% in 2022. ◆ Volatile
Lakes and rivers permanent water area change in Samoa, 2005–2022
Source: United Nations Statistics Division, SDG Global Database. Measured in %.
Analysis
In 2022, lakes and rivers permanent water area change in Samoa stood at 29.9%. That is the highest value across all 18 years on record.
The figure is up 2.4% on the previous year and up 257.4% over ten years.
Over the whole period, lakes and rivers permanent water area change in Samoa peaked at 29.9% in 2022 and was at its lowest, -19.0%, in 2012.
Samoa ranks 56th of 251 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Lakes and rivers permanent water area change in Samoa, year by year
| Year | % | Change |
|---|---|---|
| 2005 | 27.0% | — |
| 2006 | 25.2% | -6.7% |
| 2007 | 26.0% | +3.1% |
| 2008 | 17.5% | -32.8% |
| 2009 | 3.1% | -82.2% |
| 2010 | -11.7% | -477.3% |
| 2011 | -12.8% | +9.4% |
| 2012 | -19.0% | +48.4% |
| 2013 | -10.0% | -47.7% |
| 2014 | 4.4% | -144.6% |
| 2015 | 19.2% | +333.0% |
| 2016 | 23.0% | +19.4% |
| 2017 | 28.1% | +22.2% |
| 2018 | 27.9% | -0.7% |
| 2019 | 27.4% | -1.7% |
| 2020 | 28.3% | +3.3% |
| 2021 | 29.2% | +3.4% |
| 2022 | 29.9% | +2.4% |
Samoa compared with similar countries
- Samoa's 29.9% is above the median for upper middle income countries, which is 8.7%, 3.4× the median. (53 countries reporting)
- Samoa's 29.9% is above the median for East Asia & Pacific, which is 18.1%, 1.7× the median. (33 countries reporting)
Biggest year-on-year movements
Years where Lakes and rivers permanent water area change in Samoa changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2010 | -477.3% | 3.1% | -11.7% |
| 2015 | +333.0% | 4.4% | 19.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 19.8% | 3.1% | 27.0% | 5 |
| 2010s | 7.6% | -19.0% | 28.1% | 10 |
| 2020s | 29.2% | 28.3% | 29.9% | 3 |
Countries ranked near Samoa
More environment data for Samoa
- Historical exposure to drought — Land soil moisture anomaly 0.3482 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 0.3183 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.23 °C (2025)
- Temperature change 0.919 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 2.68 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate -2.51 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is lakes and rivers permanent water area change in Samoa?
- Lakes and rivers permanent water area change in Samoa was 29.9% in 2022, according to United Nations Statistics Division, SDG Global Database.
- What is the highest lakes and rivers permanent water area change recorded in Samoa?
- The highest recorded value was 29.9% in 2022.
- What is the lowest lakes and rivers permanent water area change recorded in Samoa?
- The lowest recorded value was -19.0% in 2012.
- How does Samoa rank for lakes and rivers permanent water area change?
- Samoa ranks 56th out of 251 countries with data for 2022.
- Is lakes and rivers permanent water area change rising or falling in Samoa?
- Over the last ten years it is up 257.4%. The long-run trend across the full record is volatile.
- Where does this Samoa data come from?
- The figures come from United Nations Statistics Division, SDG Global Database, published as part of Lakes and rivers permanent 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).