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Progress on Water-Related Ecosystems

Protecting and restoring water-related ecosystems will mitigate and strengthen resilience to climate change. For instance, wetlands trap carbon from the atmosphere and protect coastal areas from storm surges and inland areas from both floods and droughts by retaining water.

  • 4 % of the world’s water basins is experiencing rapid changes in the area covered by permanent surface waters (SDG 6 indicator 6.6.1, 2022)

Available time series: 2000-2022
Number of countries (and areas) reporting in the last five years: 231
Proportion of world population covered by reporting in the last five years:98%

Proportion of world land area covered by reporting in the last five years: 99%
Learn more about the indicator here 
Read the latest progress report here

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SDG target 6.6 is: ‘By 2020, protect and restore water-related ecosystems, including mountains, forests, wetlands, rivers, aquifers and lakes.’

To track progress towards the target, indicator 6.6.1 tracks changes over time in water-related ecosystems such as lakes, rivers, wetlands and mangroves, with the help of earth observations.

Change in permanent surface water extent compared to baseline period 2000-2019, by country (data from ----) ©

In XX countries (and areas), representing XX% of global land area and XX% of global population, more than 10% of permanent lakes and rivers has been lost compared to the baseline period.

In XX countries (and areas), representing XX% of global land area and XX% of global population, more than 25% of permanent lakes and rivers has been lost compared to the baseline period.

Percentage change compared to baseline (%)
>28.13
13.58 - 28.13
6.54 - 13.58
0.38 - 6.54
<0.38
Data Not Available
Not Applicable

Change in seasonal surface water extent compared to baseline period 2000-2019, by country (data from ----) ©

Increases in seasonal lakes and rivers can be a sign of floods. In XX countries (and areas), representing XX% of global land area and XX% of global population, seasonal lakes and rivers have increased by more than 100% compared to the baseline period.

Decreases in seasonal lakes and rivers can be a sign of droughts. In XX countries (and areas), representing XX% of global land area and XX% of global population, seasonal lakes and rivers have decreased by more than 10% compared to the baseline period.

Percentage change compared to baseline (%)
>121.16
80.47 - 121.16
56.26 - 80.47
41.03 - 56.26
24.09 - 41.03
<24.09
Data Not Available
Not Applicable

Change in mangrove extent compared to 2000, by country (data from ----) ©

In XX countries (and areas), representing XX% of global land area and XX% of global population, more than 10% of mangroves has been lost since 2000.

Percentage change compared to baseline (%)
>0.29
-0.5 - 0.29
-2.39 - -0.5
-5.81 - -2.39
<-5.81
Data Not Available
Not Applicable

Maximum and minimum river flow and change compared to baseline period 2000-2019, by region (data from XXXX)

Globally, the maximum river flow has increased with XX% and the minimum river flow has increased with XX%, compared to the baseline period.

Proportion of large lakes with high change in turbidity and trophic state compared to baseline period 2006-2020, by region (data from XXXX) ©

In the world there are XX large lakes that are monitored, of which XX% has a high increase in turbidity and XX% has a high increase in trophic state, compared to the baseline period. Turbidity and trophic state are signs of water pollution and overfertilization.

15.1.2 Proportion of important sites for biodiversity that are covered by protected areas, by ecosystem type and region (data from 2021) ©

Source data indicator 6.6.1 Change in the extent of water-related ecosystems over time

Country (or area), regional and world data for the latest year of reporting (data from 2022):

Country (or area), region, worldYear6.6.1 Change in the extent of water-related ecosystems over time
Surface water extent > PermanentSurface water extent > SeasonalInland vegetated wetland extentMangrove extent
Afghanistan2022545.742086.86
Albania2022240.5699.7
Algeria202289.822050.79
American Samoa20220.450.74
Andorra20220.520.29
Angola2022590.274584.59
Anguilla20221.381.29
Antigua and Barbuda20222.635.1
Argentina202225228.628440.44
Armenia20221318.0338.15
Aruba20220.462.93
Australia20224467.4650627.04
Australia and New Zealand20227761.3151211.35
Austria2022554.3299.5
Azerbaijan202278372.19813.06
Bahamas20221117.522031.23
Bahrain20223.5411.63
Bangladesh20221633.216395.85
Barbados20220.030.6
Belgium2022119.4950.49
Belize2022303.01283.06
Benin2022278.71214.22
Bermuda20221.150.46
Bhutan202275.0364.56
Bolivia (Plurinational State of)20229381.916810.59
Bosnia and Herzegovina202298.9690.54
Botswana2022229.174690.82
Brazil202261477.0843922.09
British Virgin Islands20224.643.92
Brunei Darussalam202219.2523.93
Bulgaria2022415.52143.52
Burkina Faso2022113.85539.13
Burundi20221943.9726.36
Cabo Verde20226.7428.03
Cambodia20223364.5911703.66
Cameroon2022784.861243.03
Canada2022916376.9699000.95
Cayman Islands20223.666.21
Central African Republic2022445.78447.76
Central and Southern Asia2022334282.22176774.98
Chad20221648.753536.26
Chile202211250.891864.08
China2022101750.781085.72
China, Hong Kong Special Administrative Region202218.1220.88
China, Macao Special Administrative Region20221.351.72
Christmas Island20220.010.4
Cocos (Keeling) Islands202200
Colombia20227157.327788.34
Comoros20222.095.13
Congo20221616.541070.68
Cook Islands20220.160.23
Costa Rica202244.87130.72
Croatia2022222.42200.19
Cuba20221247.851301.8
Curaçao20222.996.87
Cyprus20227.9716.88
Czechia2022358.69123.4
Côte d'Ivoire2022169.33495.61
Democratic People's Republic of Korea2022523.46844.47
Democratic Republic of the Congo202235992.575374.98
Denmark2022433.28104.25
Djibouti2022131.14349.1
Dominica20220.010.56
Dominican Republic2022387.09124.35
Eastern and South-Eastern Asia2022142443.08151679.36
Ecuador20221746.431576.67
Egypt20221966.722239.76
El Salvador2022161.3660.39
Equatorial Guinea202219.4629.02
Eritrea202266.83290.44
Estonia20222017.71141.54
Eswatini20227.4413.08
Ethiopia20226551.112286.81
Falkland Islands (Malvinas)2022135.2246.29
Faroe Islands202210.576.73
Fiji20229.8631.85
Finland202222408.112123
France20222535.621140.78
French Guiana202253.9797.49
French Polynesia202298.7918.48
Gabon20221582.02646.97
Gambia2022102.76155.07
Georgia2022231.19153.22
Germany20223382.61706.19
Ghana2022220.84621.82
Gibraltar20220.040.06
Greece2022678.58259.83
Greenland202217315.941313.46
Grenada20220.341.03
Guadeloupe20220.422.19
Guam20220.620.75
Guatemala20221070.86340.15
Guernsey20220.970.85
Guinea202267.83747.37
Guinea-Bissau202251.55357.66
Guyana2022419.19896.71
Haiti2022166.2779.25
Heard Island and McDonald Islands202200
Holy See202200
Honduras2022478.48556.42
Hungary20221140.91285.86
Iceland20221661.94244.67
India20228260.2862015.23
Indonesia20228730.5512278.19
Iran (Islamic Republic of)202259506.3412384.79
Iraq20221963.156227.4
Ireland2022897.73165.73
Isle of Man20220.721.04
Israel2022451.452.28
Italy20221949.36838.36
Jamaica202210.9619.23
Japan20221589.111091
Jersey20220.550.48
Jordan2022435.81111.65
Kazakhstan2022155466.9950253.53
Kenya20227913.86777.48
Kiribati20220.942.07
Kuwait202226.16179.7
Kyrgyzstan20226977.32387.61
Lao People's Democratic Republic20221074.28970.53
Latin America and the Caribbean2022156314.54137852.65
Latvia2022790.47341.71
Lebanon20222.218.43
Lesotho20227.242.34
Liberia202221.6108.06
Libya202243.45542.64
Liechtenstein20220.770.24
Lithuania2022860.7290.01
Luxembourg20222.811.84
Madagascar20221816.34408.53
Malawi202223500.4651.45
Malaysia2022714.641137.31
Mali20221006.167892.46
Malta20220.20.84
Marshall Islands20220.541.51
Martinique20220.791.65
Mauritania202271.921365.66
Mauritius202213.66.14
Mayotte20221.411.23
Mexico20225729.7411140.45
Micronesia (Federated States of)20222.182.12
Monaco20220.080.05
Mongolia202213861.43087.58
Montenegro202218.8175.98
Montserrat20220.010.55
Morocco2022135.94288.63
Mozambique20228223.13030.7
Myanmar20223049.5310797.43
Namibia2022287.354601.62
Nauru20220.040.19
Nepal2022203.37608.9
New Caledonia202232.8564.63
New Zealand20223293.84583.91
Nicaragua20229326.12750.3
Niger2022302.831337.92
Nigeria20221663.915592.76
Niue20220.110.01
Norfolk Island202200
North Macedonia2022456.1216.91
Northern Africa and Western Asia202294245.5221395.71
Northern Mariana Islands20222.023.57
Norway202212156.671329.07
Oceania (excluding Australia and New Zealand)20222865.052242.58
Oman202236.37327.04
Pakistan20222660.3415286.49
Palau20220.650.48
Panama202244.76212.24
Papua New Guinea20222482.082066.46
Paraguay20221335.992254.43
Peru202211807.626773.76
Philippines20222413.232017.98
Pitcairn202200.1
Poland20223109.1882.1
Portugal2022187.41198.05
Puerto Rico202225.8334.82
Qatar202216.0366.78
Republic of Korea2022464.72663.32
Republic of Moldova2022236.1122.48
Romania20221679.24851.03
Russian Federation2022425203.6176161.97
Rwanda20221517.0559.21
Saint Helena20220.20.4
Saint Kitts and Nevis20220.210.71
Saint Lucia20220.211.51
Saint Martin (French Part)20225.491.09
Saint Pierre and Miquelon20224.781.32
Saint Vincent and the Grenadines20220.241.07
Samoa20222.592.34
San Marino202200
Sao Tome and Principe202200
Saudi Arabia2022153.33928.93
Senegal2022533.832048.8
Serbia2022417.67186.54
Seychelles20221.313.82
Sierra Leone202277.22381.51
Singapore20229.9416.68
Sint Maarten (Dutch part)20223.561
Slovakia2022105.5255.08
Slovenia202241.7936.35
Solomon Islands2022127.225.1
Somalia202294.3710.1
South Africa20221362.511913.01
South Georgia and the South Sandwich Islands202264.6215.43
South Sudan2022556.791817.93
Spain2022594.421020.05
Sri Lanka2022572.711063.67
Sub-Saharan Africa2022140659.2877320.48
Sudan20221268.151959.73
Suriname2022167.55344.69
Svalbard and Jan Mayen Islands2022200.213.46
Switzerland20221292.3552.22
Syrian Arab Republic2022350.36595.29
Tajikistan20221169.58640.45
Thailand20222232.888462.18
Timor-Leste20223.5661.99
Togo202210.5578.96
Tokelau202259.070.06
Tonga202216.644.08
Trinidad and Tobago20226.6513.64
Tunisia202286.731019.34
Turkmenistan202288527.066817.62
Turks and Caicos Islands202217.4728.38
Tuvalu20220.10.11
Türkiye20227172.153164.17
Uganda20227921.12654.89
Ukraine20223927.452266.88
United Kingdom of Great Britain and Northern Ireland20221823.55432.49
United Republic of Tanzania202221613.334511.32
United States Virgin Islands20221.453.69
United States of America2022252790.7976485.51
Uruguay2022878.871124.03
Uzbekistan20228683.778768.52
Vanuatu202227.5116.96
Venezuela (Bolivarian Republic of)20225041.788748.96
Viet Nam20222621.7617414.79
Wallis and Futuna Islands20220.640.74
Western Sahara202214.07134.75
World20222585526.57990821.44
Yemen202265.01303.75
Zambia20229106.487043.74
Zimbabwe2022406.29519.95
Åland Islands202225.9810.73