Norway vs Portugal: Marine waters affected by eutrophication
Norway
1,575 Square kilometre
in 2025
Portugal
699 Square kilometre
in 2025
Norway rank
4th
Portugal rank
5th
Marine waters affected by eutrophication over time
- Norway
- Portugal
How they compare
Norway currently reports 1,575 Square kilometre against 699 Square kilometre in Portugal, a difference of 876 Square kilometre.
That makes Norway's figure about 2.3 times Portugal's.
The two have swapped places 3 times across 25 shared years of data; in 2001 it was Portugal ahead.
Norway ranks 4th and Portugal ranks 5th of 31 countries.
Portugal has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Norway | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 688.56 Square kilometre | 8,717 Square kilometre | 8,029 Square kilometre | Portugal |
| 2010s | 387.2 Square kilometre | 749.4 Square kilometre | 362.2 Square kilometre | Portugal |
| 2020s | 620.33 Square kilometre | 757.5 Square kilometre | 137.17 Square kilometre | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher marine waters affected by eutrophication, Norway or Portugal?
- Norway, at 1,575 Square kilometre against 699 Square kilometre in Portugal as of 2025.
- What is the difference in marine waters affected by eutrophication between Norway and Portugal?
- 876 Square kilometre, with Norway ahead.
- How many years of comparable data are there for Norway and Portugal?
- 25 years are reported by both, from 2001 to 2025.
- How do Norway and Portugal rank globally for marine waters affected by eutrophication?
- Norway ranks 4th and Portugal ranks 5th of 31 countries.
- Where does this data come from?
- Eurostat, published as Marine waters affected by eutrophication. Statizoid refreshes it automatically from the source and publishes the full history for both places.