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
United Kingdom recorded 529 Square kilometre for marine waters affected by eutrophication in 2025.
The figure 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% |
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
- Environment-related technologies patents — Patent applications 4,653 Patents (2023)
- Environment-related technologies patents — Patent grants 667.92 Patents (2022)
- Road, rail and navigable inland waterways networks by NUTS 2 region 159 Kilometre (2018)
- Inland fisheries 452.13 Tonnes (2022)
- Agricultural land area — Arable and permanent crop land 6,125 Hectares (2025)
- Agricultural land area — Total agricultural land area 16,821 Hectares (2025)
- Agricultural land area — Arable land 6,083 Hectares (2025)
- Agricultural land area — Permanent pasture 10,697 Hectares (2025)
- Agricultural land area — Permanent crops 41.76 Hectares (2025)
- Marine landings — Total landings 640,295 Tonnes (2022)
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).