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Coastal eutrophication: Total Phosphorus (TP) (kilograms of phosphorus from algae biomass per sq. km. of river basin area per day) by country

Countries reporting
60
Highest
21,149
Large Marine Ecosystem: Yellow Sea
Lowest
7.93
Large Marine Ecosystem: Faroe Plateau
Median
908.16
Years covered
16
2000–2015
Data points
1,056

What the numbers show

Coastal eutrophication: Total Phosphorus (TP) (kilograms of phosphorus from algae biomass per sq. km. of river basin area per day) is currently reported for 60 countries. The highest value is 21,149 in Large Marine Ecosystem: Yellow Sea; the lowest is 7.93 in Large Marine Ecosystem: Faroe Plateau.

The median across all reporting countries is 908.16, and the mean is 2,137.

The gap between the highest and lowest reporting country is a factor of about 2,666.

Over the past decade 34 countries rose and 26 fell. The largest increase was in Large Marine Ecosystem: Somali Coastal Current (up 215.7%), and the largest decrease in Large Marine Ecosystem: Beaufort Sea (down 40.1%).

Coastal eutrophication: Total Phosphorus (TP) (kilograms of): full country ranking

#Country LatestYear 10-year changeTrend
1 Large Marine Ecosystem: Yellow Sea 21,149 2015 up 39.3% rising
2 Large Marine Ecosystem: Bay of Bengal 18,448 2015 up 51.9% rising
3 Large Marine Ecosystem: South China Sea 9,485 2015 up 19.6% rising
4 Large Marine Ecosystem: Arabian Sea 8,232 2015 up 29.5% rising
5 Large Marine Ecosystem: Mediterranean Sea 7,458 2015 down 16.4% flat
6 Large Marine Ecosystem: North Brazil Shelf 7,449 2015 down 10.3% falling
7 Large Marine Ecosystem: Black Sea 4,336 2015 down 12.7% flat
8 Large Marine Ecosystem: Patagonian Shelf 4,029 2015 up 24.1% rising
9 Large Marine Ecosystem: Indonesian Sea 3,445 2015 up 49.9% rising
10 Large Marine Ecosystem: East China Sea 2,907 2015 up 30.0% rising
11 Large Marine Ecosystem: Gulf of Mexico 2,630 2015 down 28.6% falling
12 Large Marine Ecosystem: West Bering Sea 2,201 2015 up 69.5% rising
13 Large Marine Ecosystem: Sea of Okhotsk 2,094 2015 up 46.0% rising
14 Large Marine Ecosystem: Guinea Current 2,069 2015 up 34.2% rising
15 Large Marine Ecosystem: Celtic-Biscay Shelf 1,965 2015 down 1.1% falling
16 Large Marine Ecosystem: North Sea 1,960 2015 down 12.2% falling
17 Large Marine Ecosystem: Agulhas Current 1,883 2015 up 68.7% rising
18 Large Marine Ecosystem: Kuroshio Current 1,774 2015 down 13.2% falling
19 Large Marine Ecosystem: Kara Sea 1,752 2015 up 10.8% flat
20 Large Marine Ecosystem: California Current 1,482 2015 down 3.0% rising
21 Large Marine Ecosystem: Sea of Japan 1,458 2015 down 3.5% falling
22 Large Marine Ecosystem: Humboldt Current 1,412 2015 down 22.7% falling
23 Large Marine Ecosystem: East Brazil Shelf 1,361 2015 up 6.8% rising
24 Large Marine Ecosystem: South Brazil Shelf 1,172 2015 up 19.2% rising
25 Large Marine Ecosystem: North Australian Shelf 1,127 2015 up 23.6% rising
26 Large Marine Ecosystem: Northeast Australian Shelf 1,122 2015 up 113.8% rising
27 Large Marine Ecosystem: Benguela Current 1,059 2015 up 161.0% rising
28 Large Marine Ecosystem: Gulf of Alaska 985.08 2015 down 2.4% rising
29 Large Marine Ecosystem: Sulu-Celebes Sea 967.12 2015 up 9.5% rising
30 Large Marine Ecosystem: Somali Coastal Current 922.6 2015 up 215.7% rising
31 Large Marine Ecosystem: New Zealand Shelf 893.71 2015 up 21.0% rising
32 Large Marine Ecosystem: Laptev Sea 801.37 2015 down 10.3% flat
33 Large Marine Ecosystem: Northeast U.S. Continental Shelf 798.31 2015 down 12.9% falling
34 Large Marine Ecosystem: Iberian Coastal 793.11 2015 up 67.2% falling
35 Large Marine Ecosystem: Gulf of Thailand 693.6 2015 up 6.9% flat
36 Large Marine Ecosystem: Baltic Sea 670.5 2015 down 14.5% falling
37 Large Marine Ecosystem: Canary Current 616.89 2015 up 6.5% rising
38 Large Marine Ecosystem: Oyashio Current 536.18 2015 up 108.8% rising
39 Large Marine Ecosystem: Insular Pacific-Hawaiian 432.73 2015 down 5.3% falling
40 Large Marine Ecosystem: Northwest Australian Shelf 432.1 2015 up 8.2% rising
41 Large Marine Ecosystem: Southeast Australian Shelf 403.66 2015 up 30.0% rising
42 Large Marine Ecosystem: East Siberian Sea 292.41 2015 up 19.0% rising
43 Large Marine Ecosystem: East Bering Sea 259.08 2015 down 24.3% falling
44 Large Marine Ecosystem: Hudson Bay Complex 234.54 2015 down 10.3% flat
45 Large Marine Ecosystem: Aleutian Islands 230.71 2015 down 24.5% flat
46 Large Marine Ecosystem: Red Sea 230.38 2015 down 10.6% rising
47 Large Marine Ecosystem: East Central Australian Shelf 225.71 2015 up 96.4% rising
48 Large Marine Ecosystem: Barents Sea 197.61 2015 up 4.7% falling
49 Large Marine Ecosystem: Scotian Shelf 196.25 2015 up 32.6% rising
50 Large Marine Ecosystem: Gulf of California 193.09 2015 up 23.0% rising
51 Large Marine Ecosystem: South West Australian Shelf 157.39 2015 up 4.5% rising
52 Large Marine Ecosystem: Greenland Sea 130.48 2015 down 4.8% falling
53 Large Marine Ecosystem: Southeast U.S. Continental Shelf 107.69 2015 down 24.8% falling
54 Large Marine Ecosystem: Labrador - Newfoundland 93.24 2015 up 30.0% rising
55 Large Marine Ecosystem: Norwegian Sea 81.93 2015 down 1.9% flat
56 Large Marine Ecosystem: West Central Australian Shelf 61.35 2015 down 20.4% rising
57 Large Marine Ecosystem: Beaufort Sea 58.2 2015 down 40.1% falling
58 Large Marine Ecosystem: Northern Bering - Chukchi Seas 49.33 2015 down 2.3% falling
59 Large Marine Ecosystem: Canadian High Arctic - North Greenland 23.43 2015 up 1.5% rising
60 Large Marine Ecosystem: Faroe Plateau 7.93 2015 down 19.3% falling

Regions and income groups

Aggregates are excluded from the country ranking above so that a region can never outrank a country.

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Coastal eutrophication: Total Phosphorus (TP) (kilograms of) by country. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 26 August 2026, from https://development-goals.statizoid.com/stat/coastal-eutrophication-total-phosphorus-tp-kilograms-of-phosphorus-from-algae-biomass-per/

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About this data

Indicator
Coastal eutrophication: Total Phosphorus (TP) (kilograms of phosphorus from algae biomass per sq. km. of river basin area per day)
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
66 places, 1,056 data points, 2000–2015
Last refreshed