Marine waters affected by eutrophication in United Kingdom

United Kingdom: Marine waters affected by eutrophication was 529 Square kilometre in 2025. ◆ Volatile

Latest (2025)
529 Square kilometre
Change on year
down 30.3%
World rank
7th
of 31 countries
All-time high
3,334 Square kilometre
in 2013
All-time low
1 Square kilometre
in 2019
Years of data
25
2001–2025

Marine waters affected by eutrophication in United Kingdom, 2001–2025

01.0k2.0k3.0k2001201320252001: 2.1k Square kilometre2002: 2.0k Square kilometre2003: 2.5k Square kilometre2004: 2.2k Square kilometre2005: 938 Square kilometre2006: 774 Square kilometre2007: 370 Square kilometre2008: 90 Square kilometre2009: 98 Square kilometre2010: 2.5k Square kilometre2011: 2.5k Square kilometre2012: 2.5k Square kilometre2013: 3.3k Square kilometre2014: 1.0k Square kilometre2015: 940 Square kilometre2016: 932 Square kilometre2017: 96 Square kilometre2018: 5 Square kilometre2019: 1 Square kilometre2020: 139 Square kilometre2021: 369 Square kilometre2022: 526 Square kilometre2023: 528 Square kilometre2024: 759 Square kilometre2025: 529 Square kilometre

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 31 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.

Averages by decade

DecadeAverage LowestHighest 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

  1. 4 Norway 1,575 Square kilometre compare
  2. 5 Portugal 699 Square kilometre compare
  3. 6 Finland 650 Square kilometre compare
  4. 8 Estonia 137 Square kilometre compare
  5. 9 Sweden 117 Square kilometre compare
  6. 10 Ireland 37 Square kilometre compare

See the full ranking of 32 places →

More environment data for United Kingdom

All data for United Kingdom →

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 31 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).

About this data

Indicator
Marine waters affected by eutrophication
Unit
Square kilometre
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
32 places, 800 data points, 2001–2025
Last refreshed