Marine waters affected by eutrophication in United Kingdom
United Kingdom: Marine waters affected by eutrophication was 529 Square kilometre in 2025. ◆ Volatile
Marine waters affected by eutrophication in United Kingdom, 2001–2025
Source: Eurostat. Measured in Square kilometre.
Analysis
In 2025, marine waters affected by eutrophication in United Kingdom stood at 529 Square kilometre.
Compared with earlier readings it is down 30.3% on the previous year and down 43.7% over ten years.
Over the whole period, marine waters affected by eutrophication in United Kingdom peaked at 3,334 Square kilometre in 2013 and was at its lowest, 1 Square kilometre, in 2019.
That places United Kingdom 7th out of 40 countries with data for 2025, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Marine waters affected by eutrophication in United Kingdom, year by year
| Year | Square kilometre | Change |
|---|---|---|
| 2001 | 2,148 Square kilometre | — |
| 2002 | 2,028 Square kilometre | -5.6% |
| 2003 | 2,455 Square kilometre | +21.1% |
| 2004 | 2,191 Square kilometre | -10.8% |
| 2005 | 938 Square kilometre | -57.2% |
| 2006 | 774 Square kilometre | -17.5% |
| 2007 | 370 Square kilometre | -52.2% |
| 2008 | 90 Square kilometre | -75.7% |
| 2009 | 98 Square kilometre | +8.9% |
| 2010 | 2,473 Square kilometre | +2423.5% |
| 2011 | 2,548 Square kilometre | +3.0% |
| 2012 | 2,517 Square kilometre | -1.2% |
| 2013 | 3,334 Square kilometre | +32.5% |
| 2014 | 1,047 Square kilometre | -68.6% |
| 2015 | 940 Square kilometre | -10.2% |
| 2016 | 932 Square kilometre | -0.9% |
| 2017 | 96 Square kilometre | -89.7% |
| 2018 | 5 Square kilometre | -94.8% |
| 2019 | 1 Square kilometre | -80.0% |
| 2020 | 139 Square kilometre | +13800.0% |
| 2021 | 369 Square kilometre | +165.5% |
| 2022 | 526 Square kilometre | +42.5% |
| 2023 | 528 Square kilometre | +0.4% |
| 2024 | 759 Square kilometre | +43.8% |
| 2025 | 529 Square kilometre | -30.3% |
United Kingdom compared with similar countries
- United Kingdom's 529 Square kilometre is above the median for Europe & Central Asia, which is 3 Square kilometre, 176.3× the median. (30 countries reporting)
- United Kingdom's 529 Square kilometre is above the median for high income countries, which is 3 Square kilometre, 176.3× the median. (31 countries reporting)
Biggest year-on-year movements
Years where Marine waters affected by eutrophication in United Kingdom 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 |
|---|---|---|---|
| 2020 | +13800.0% | 1 Square kilometre | 139 Square kilometre |
| 2010 | +2423.5% | 98 Square kilometre | 2,473 Square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 1,232 Square kilometre | 90 Square kilometre | 2,455 Square kilometre | 9 |
| 2010s | 1,389 Square kilometre | 1 Square kilometre | 3,334 Square kilometre | 10 |
| 2020s | 475 Square kilometre | 139 Square kilometre | 759 Square kilometre | 6 |
Countries ranked near United Kingdom
More environment data for United Kingdom
- Historical exposure to drought — Land soil moisture anomaly -3.13 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -7.25 Percentage change (2025)
- Wood-based panels — Production, annual growth rate -2.38 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -3.47 % 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 -0.8735 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual -1.29 % change on previous year (2024)
Frequently asked questions
- What is marine waters affected by eutrophication in United Kingdom?
- Marine waters affected by eutrophication in United Kingdom was 529 Square kilometre in 2025, according to Eurostat.
- What is the highest marine waters affected by eutrophication recorded in United Kingdom?
- The highest recorded value was 3,334 Square kilometre in 2013.
- What is the lowest marine waters affected by eutrophication recorded in United Kingdom?
- The lowest recorded value was 1 Square kilometre in 2019.
- How does United Kingdom rank for marine waters affected by eutrophication?
- United Kingdom ranks 7th out of 40 countries with data for 2025.
- Is marine waters affected by eutrophication rising or falling in United Kingdom?
- Over the last ten years it is down 43.7%. The long-run trend across the full record is volatile.
- Where does this United Kingdom data come from?
- The figures come from Eurostat, published as part of Marine waters affected by eutrophication. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 25 observations, free to reuse under CC BY 4.0 (Eurostat).