Marine waters affected by eutrophication in Norway
Norway: Marine waters affected by eutrophication was 1,575 Square kilometre in 2025. ◆ Volatile
Marine waters affected by eutrophication in Norway, 2001–2025
Source: Eurostat. Measured in Square kilometre.
Analysis
The most recent figure for marine waters affected by eutrophication in Norway is 1,575 Square kilometre, measured in 2025.
Compared with earlier readings it is down 1.6% on the previous year and up 1,160.0% over ten years.
Over the whole period, marine waters affected by eutrophication in Norway peaked at 1,677 Square kilometre in 2001 and was at its lowest, 104 Square kilometre, in 2019.
That places Norway 4th out of 40 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.
Marine waters affected by eutrophication in Norway, year by year
| Year | Square kilometre | Change |
|---|---|---|
| 2001 | 1,677 Square kilometre | — |
| 2002 | 1,050 Square kilometre | -37.4% |
| 2003 | 851 Square kilometre | -19.0% |
| 2004 | 399 Square kilometre | -53.1% |
| 2005 | 351 Square kilometre | -12.0% |
| 2006 | 230 Square kilometre | -34.5% |
| 2007 | 478 Square kilometre | +107.8% |
| 2008 | 596 Square kilometre | +24.7% |
| 2009 | 565 Square kilometre | -5.2% |
| 2010 | 564 Square kilometre | -0.2% |
| 2011 | 767 Square kilometre | +36.0% |
| 2012 | 620 Square kilometre | -19.2% |
| 2013 | 596 Square kilometre | -3.9% |
| 2014 | 652 Square kilometre | +9.4% |
| 2015 | 125 Square kilometre | -80.8% |
| 2016 | 147 Square kilometre | +17.6% |
| 2017 | 160 Square kilometre | +8.8% |
| 2018 | 137 Square kilometre | -14.4% |
| 2019 | 104 Square kilometre | -24.1% |
| 2020 | 117 Square kilometre | +12.5% |
| 2021 | 122 Square kilometre | +4.3% |
| 2022 | 150 Square kilometre | +23.0% |
| 2023 | 157 Square kilometre | +4.7% |
| 2024 | 1,601 Square kilometre | +919.7% |
| 2025 | 1,575 Square kilometre | -1.6% |
Norway compared with similar countries
- Norway's 1,575 Square kilometre is above the median for Europe & Central Asia, which is 3 Square kilometre, 525.0× the median. (30 countries reporting)
- Norway's 1,575 Square kilometre is above the median for high income countries, which is 3 Square kilometre, 525.0× the median. (31 countries reporting)
Biggest year-on-year movements
Years where Marine waters affected by eutrophication in Norway 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 |
|---|---|---|---|
| 2024 | +919.7% | 157 Square kilometre | 1,601 Square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 688.56 Square kilometre | 230 Square kilometre | 1,677 Square kilometre | 9 |
| 2010s | 387.2 Square kilometre | 104 Square kilometre | 767 Square kilometre | 10 |
| 2020s | 620.33 Square kilometre | 117 Square kilometre | 1,601 Square kilometre | 6 |
Countries ranked near Norway
More environment data for Norway
- Historical exposure to drought — Land soil moisture anomaly 0.9857 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 0.8118 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.738 °C (2025)
- Temperature change 2.52 °C (2025)
- Wood-based panels — Production, annual growth rate 0 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -3.08 % 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 -0.28 % change on previous year (2024)
Frequently asked questions
- What is marine waters affected by eutrophication in Norway?
- Marine waters affected by eutrophication in Norway was 1,575 Square kilometre in 2025, according to Eurostat.
- What is the highest marine waters affected by eutrophication recorded in Norway?
- The highest recorded value was 1,677 Square kilometre in 2001.
- What is the lowest marine waters affected by eutrophication recorded in Norway?
- The lowest recorded value was 104 Square kilometre in 2019.
- How does Norway rank for marine waters affected by eutrophication?
- Norway ranks 4th out of 40 countries with data for 2025.
- Is marine waters affected by eutrophication rising or falling in Norway?
- Over the last ten years it is up 1,160.0%. The long-run trend across the full record is volatile.
- Where does this Norway 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).