Marine waters affected by eutrophication in Spain

Spain: Marine waters affected by eutrophication was 3,011 Square kilometre in 2025. ◆ Volatile

Latest (2025)
3,011 Square kilometre
Change on year
down 25.1%
World rank
3rd
of 31 countries
All-time high
9,330 Square kilometre
in 2001
All-time low
438 Square kilometre
in 2014
Years of data
25
2001–2025

Marine waters affected by eutrophication in Spain, 2001–2025

02.0k4.0k6.0k8.0k10.0k2001201320252001: 9.3k Square kilometre2002: 8.8k Square kilometre2003: 1.7k Square kilometre2004: 1.0k Square kilometre2005: 994 Square kilometre2006: 714 Square kilometre2007: 5.0k Square kilometre2008: 5.1k Square kilometre2009: 4.5k Square kilometre2010: 5.4k Square kilometre2011: 1.1k Square kilometre2012: 1.4k Square kilometre2013: 1.4k Square kilometre2014: 438 Square kilometre2015: 3.2k Square kilometre2016: 3.1k Square kilometre2017: 3.0k Square kilometre2018: 4.8k Square kilometre2019: 2.9k Square kilometre2020: 2.9k Square kilometre2021: 3.9k Square kilometre2022: 4.1k Square kilometre2023: 3.3k Square kilometre2024: 4.0k Square kilometre2025: 3.0k Square kilometre

Source: Eurostat. Measured in Square kilometre.

Analysis

The most recent figure for marine waters affected by eutrophication in Spain is 3,011 Square kilometre, measured in 2025.

That represents a change of down 25.1% on the previous year and down 5.5% over ten years.

Over the whole period, marine waters affected by eutrophication in Spain peaked at 9,330 Square kilometre in 2001 and was at its lowest, 438 Square kilometre, in 2014.

That places Spain 3rd out of 31 countries with data for 2025, putting it in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
2000s 4,121 Square kilometre 714 Square kilometre 9,330 Square kilometre 9
2010s 2,667 Square kilometre 438 Square kilometre 5,392 Square kilometre 10
2020s 3,534 Square kilometre 2,855 Square kilometre 4,137 Square kilometre 6

Countries ranked near Spain

  1. 1 Denmark 12,386 Square kilometre compare
  2. 2 France 4,289 Square kilometre compare
  3. 4 Norway 1,575 Square kilometre compare
  4. 5 Portugal 699 Square kilometre compare
  5. 6 Finland 650 Square kilometre compare

See the full ranking of 32 places →

More environment data for Spain

All data for Spain →

Frequently asked questions

What is marine waters affected by eutrophication in Spain?
Marine waters affected by eutrophication in Spain was 3,011 Square kilometre in 2025, according to Eurostat.
What is the highest marine waters affected by eutrophication recorded in Spain?
The highest recorded value was 9,330 Square kilometre in 2001.
What is the lowest marine waters affected by eutrophication recorded in Spain?
The lowest recorded value was 438 Square kilometre in 2014.
How does Spain rank for marine waters affected by eutrophication?
Spain ranks 3rd out of 31 countries with data for 2025.
Is marine waters affected by eutrophication rising or falling in Spain?
Over the last ten years it is down 5.5%. The long-run trend across the full record is volatile.
Where does this Spain 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