Reservoir minimum water area change (%) by country
Countries reporting
154
Highest
1,541.0%
United Arab Emirates
Lowest
-85.4%
Martinique
Median
8.1%
Years covered
23
2000–2022
Data points
4,368
What the numbers show
Reservoir minimum water area change (%) is currently reported for 154 countries. The highest value is 1,541.0% in United Arab Emirates; the lowest is -85.4% in Martinique.
The median across all reporting countries is 8.1%, and the mean is 49.0%.
The gap between the highest and lowest reporting country is a factor of about 18.
Over the past decade 88 countries rose and 66 fell. The largest increase was in Cambodia (up 7,736.1%), and the largest decrease in Democratic Republic of the Congo (down 6,116.7%).
Reservoir minimum water area change: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | United Arab Emirates | 1,541.0% | 2022 | up 1,641.0% | volatile |
| 2 | Oman | 1,459.3% | 2022 | up 1,559.3% | volatile |
| 3 | Eritrea | 529.8% | 2022 | up 1,644.3% | volatile |
| 4 | Liberia | 440.8% | 2022 | up 5,513.5% | volatile |
| 5 | Rwanda | 419.7% | 2022 | up 1,217.2% | volatile |
| 6 | Cambodia | 379.6% | 2022 | up 7,736.1% | volatile |
| 7 | Saudi Arabia | 318.4% | 2022 | up 1,079.7% | volatile |
| 8 | Congo | 186.7% | 2022 | up 4,090.0% | volatile |
| 9 | Bhutan | 120.4% | 2022 | up 77.5% | volatile |
| 10 | Mongolia | 119.2% | 2022 | up 554.3% | volatile |
| 11 | Gabon | 116.7% | 2022 | up 1,026.6% | volatile |
| 12 | Belize | 100.9% | 2022 | up 8.8% | volatile |
| 13 | Botswana | 90.5% | 2022 | up 1,888.4% | volatile |
| 14 | Malaysia | 89.9% | 2022 | up 1,334.3% | volatile |
| 15 | Sudan | 89.7% | 2022 | up 1,063.0% | volatile |
| 16 | Suriname | 84.9% | 2022 | up 2,840.0% | volatile |
| 17 | Ethiopia | 81.4% | 2022 | up 782.3% | volatile |
| 18 | Iran (Islamic Republic of) | 71.4% | 2022 | up 533.8% | volatile |
| 19 | Jordan | 64.9% | 2022 | up 66.7% | volatile |
| 20 | Laos | 62.9% | 2022 | up 393.1% | volatile |
| 20 | Lao People's Democratic Republic | 62.9% | 2022 | up 393.1% | volatile |
| 22 | Fiji | 58.9% | 2022 | up 269.0% | volatile |
| 23 | Vietnam | 50.1% | 2022 | up 978.2% | volatile |
| 23 | Viet Nam | 50.1% | 2022 | up 978.2% | volatile |
| 25 | Guinea | 48.4% | 2022 | up 187.6% | volatile |
| 26 | Myanmar | 41.1% | 2022 | up 67.5% | volatile |
| 27 | Israel | 40.1% | 2022 | up 8.2% | volatile |
| 28 | Cyprus | 35.4% | 2022 | up 1,200.9% | volatile |
| 29 | Colombia | 31.2% | 2022 | up 530.6% | volatile |
| 30 | Portugal | 28.1% | 2022 | up 9.8% | volatile |
| 31 | China | 26.4% | 2022 | up 251.3% | volatile |
| 32 | Burkina Faso | 26.1% | 2022 | up 313.8% | volatile |
| 33 | United Kingdom | 25.5% | 2022 | up 375.8% | volatile |
| 33 | United Kingdom of Great Britain and Northern Ireland | 25.5% | 2022 | up 375.8% | volatile |
| 35 | Ireland | 24.2% | 2022 | up 245.4% | volatile |
| 36 | Angola | 23.9% | 2022 | up 142.2% | volatile |
| 37 | Iceland | 23.5% | 2022 | up 397.7% | volatile |
| 38 | Cameroon | 23.3% | 2022 | up 177.1% | volatile |
| 39 | Puerto Rico | 21.6% | 2022 | up 96.2% | volatile |
| 40 | Albania | 20.8% | 2022 | up 160.4% | volatile |
| 41 | Egypt | 20.0% | 2022 | up 164.6% | volatile |
| 42 | Turkey | 19.9% | 2022 | up 181.8% | volatile |
| 42 | Türkiye | 19.9% | 2022 | up 181.8% | volatile |
| 44 | Togo | 19.6% | 2022 | up 314.9% | volatile |
| 45 | Nepal | 19.5% | 2022 | up 291.1% | volatile |
| 46 | Algeria | 18.3% | 2022 | down 3.5% | volatile |
| 47 | Nigeria | 16.4% | 2022 | up 173.3% | volatile |
| 48 | Slovenia | 16.3% | 2022 | up 56.1% | volatile |
| 49 | Greece | 15.0% | 2022 | up 70.0% | volatile |
| 50 | Benin | 14.6% | 2022 | up 783.9% | volatile |
| 51 | Eswatini | 14.6% | 2022 | down 33.0% | volatile |
| 52 | Democratic People's Republic of Korea | 14.4% | 2022 | up 19.6% | volatile |
| 53 | Serbia | 14.2% | 2022 | up 2.2% | volatile |
| 54 | India | 13.3% | 2022 | up 121.8% | volatile |
| 55 | Chile | 13.3% | 2022 | up 150.5% | volatile |
| 56 | Montenegro | 12.7% | 2022 | up 5.6% | volatile |
| 57 | Ecuador | 12.2% | 2022 | down 20.8% | volatile |
| 58 | North Macedonia | 11.9% | 2022 | down 30.3% | volatile |
| 59 | Croatia | 11.7% | 2022 | up 7.0% | volatile |
| 60 | France | 11.5% | 2022 | up 21.9% | volatile |
| 61 | United Republic of Tanzania | 11.4% | 2022 | down 0.2% | volatile |
| 62 | Italy | 11.4% | 2022 | down 22.0% | volatile |
| 63 | New Zealand | 11.3% | 2022 | up 0.9% | volatile |
| 64 | Bangladesh | 11.0% | 2022 | up 86.7% | volatile |
| 65 | Uganda | 10.9% | 2022 | up 1.5% | volatile |
| 66 | Slovakia | 10.8% | 2022 | down 2.7% | volatile |
| 67 | Lebanon | 10.2% | 2022 | down 1.9% | volatile |
| 68 | Kenya | 9.9% | 2022 | up 13.1% | volatile |
| 69 | Pakistan | 9.9% | 2022 | up 22.5% | volatile |
| 70 | Singapore | 9.7% | 2022 | down 18.1% | volatile |
| 71 | Romania | 9.5% | 2022 | up 7.6% | volatile |
| 72 | Mali | 8.7% | 2022 | up 77.2% | volatile |
| 73 | Bosnia and Herzegovina | 8.7% | 2022 | down 17.7% | volatile |
| 74 | Poland | 8.5% | 2022 | down 12.0% | volatile |
| 75 | Cuba | 8.3% | 2022 | up 365.5% | volatile |
| 76 | Tajikistan | 8.3% | 2022 | up 1,283.7% | volatile |
| 77 | Switzerland | 8.2% | 2022 | down 3.2% | volatile |
| 78 | Czechia | 8.0% | 2022 | up 9.5% | volatile |
| 79 | Sri Lanka | 8.0% | 2022 | down 38.7% | volatile |
| 80 | Nicaragua | 7.9% | 2022 | up 531.5% | volatile |
| 81 | Sierra Leone | 7.8% | 2022 | down 1.9% | volatile |
| 82 | Russia | 7.6% | 2022 | up 18.0% | volatile |
| 82 | Russian Federation | 7.6% | 2022 | up 18.0% | volatile |
| 84 | Hungary | 7.4% | 2022 | down 38.5% | volatile |
| 85 | Caribbean | 7.2% | 2022 | up 57.5% | volatile |
| 86 | Austria | 7.2% | 2022 | up 14.6% | volatile |
| 87 | Finland | 7.2% | 2022 | up 50.7% | volatile |
| 88 | Panama | 7.1% | 2022 | down 7.2% | volatile |
| 89 | Ghana | 7.0% | 2022 | down 11.9% | volatile |
| 90 | Venezuela (Bolivarian Republic of) | 6.5% | 2022 | up 30.3% | volatile |
| 91 | South Korea | 6.2% | 2022 | up 357.9% | volatile |
| 91 | Republic of Korea | 6.2% | 2022 | up 357.9% | volatile |
| 93 | Sweden | 6.2% | 2022 | up 15.6% | volatile |
| 94 | Norway | 6.0% | 2022 | up 136.8% | volatile |
| 95 | Latvia | 5.7% | 2022 | up 21.9% | volatile |
| 96 | Greenland | 5.6% | 2022 | up 451.5% | volatile |
| 97 | Germany | 5.6% | 2022 | down 6.0% | volatile |
| 98 | Tunisia | 5.5% | 2022 | down 53.5% | volatile |
| 99 | Paraguay | 5.5% | 2022 | up 566.8% | volatile |
| 100 | French Guiana | 5.2% | 2022 | down 30.1% | volatile |
| 101 | Dominican Republic | 5.2% | 2022 | down 52.1% | volatile |
| 102 | Costa Rica | 5.1% | 2022 | up 573.6% | volatile |
| 103 | Thailand | 5.0% | 2022 | down 46.5% | volatile |
| 104 | Cote d'Ivoire | 4.9% | 2022 | down 48.0% | volatile |
| 104 | Côte d'Ivoire | 4.9% | 2022 | down 48.0% | volatile |
| 106 | Mexico | 4.6% | 2022 | down 64.1% | volatile |
| 107 | Bulgaria | 4.6% | 2022 | down 54.1% | volatile |
| 108 | Syria | 4.2% | 2022 | down 23.2% | volatile |
| 108 | Syrian Arab Republic | 4.2% | 2022 | down 23.2% | volatile |
| 110 | Belgium | 4.1% | 2022 | up 12.3% | volatile |
| 111 | Indonesia | 4.1% | 2022 | up 88.2% | volatile |
| 112 | Spain | 3.7% | 2022 | down 59.8% | volatile |
| 113 | Lithuania | 3.5% | 2022 | up 4.6% | volatile |
| 114 | Honduras | 3.5% | 2022 | down 9.0% | volatile |
| 115 | Ukraine | 2.8% | 2022 | down 19.9% | volatile |
| 116 | Argentina | 2.6% | 2022 | down 39.1% | volatile |
| 117 | Peru | 1.7% | 2022 | down 1.6% | volatile |
| 118 | United States | 1.7% | 2022 | up 2,200.5% | volatile |
| 119 | Melanesia | 1.2% | 2022 | down 80.7% | volatile |
| 120 | Afghanistan | 1.0% | 2022 | down 77.6% | volatile |
| 121 | Uzbekistan | 0.8% | 2022 | down 49.6% | volatile |
| 122 | Kazakhstan | 0.7% | 2022 | up 1,402.0% | volatile |
| 123 | Brazil | 0.5% | 2022 | down 94.1% | volatile |
| 124 | Luxembourg | 0.1% | 2022 | down 96.6% | volatile |
| 125 | Moldova | 0.0% | 2022 | down 100.0% | volatile |
| 125 | Republic of Moldova | 0.0% | 2022 | down 100.0% | volatile |
| 127 | Mozambique | -0.2% | 2022 | down 104.1% | volatile |
| 128 | Japan | -0.3% | 2022 | down 159.0% | volatile |
| 129 | Georgia | -0.4% | 2022 | down 105.5% | volatile |
| 130 | Senegal | -0.5% | 2022 | down 108.5% | volatile |
| 131 | Turkmenistan | -0.6% | 2022 | down 105.9% | volatile |
| 132 | Australia and New Zealand | -0.8% | 2022 | up 23.1% | volatile |
| 133 | Philippines | -1.3% | 2022 | down 121.2% | volatile |
| 134 | Papua New Guinea | -2.1% | 2022 | down 135.9% | volatile |
| 135 | Mauritania | -2.2% | 2022 | down 283.2% | volatile |
| 136 | Kyrgyzstan | -2.8% | 2022 | down 25.3% | volatile |
| 137 | Madagascar | -2.8% | 2022 | down 669.9% | volatile |
| 138 | Zimbabwe | -2.8% | 2022 | down 375.1% | volatile |
| 139 | Azerbaijan | -3.0% | 2022 | down 128.6% | volatile |
| 140 | Morocco | -3.4% | 2022 | down 126.2% | volatile |
| 141 | Guatemala | -3.5% | 2022 | down 410.0% | volatile |
| 142 | Uruguay | -3.6% | 2022 | down 37.1% | volatile |
| 143 | Australia | -4.5% | 2022 | up 6.2% | volatile |
| 144 | Iraq | -4.7% | 2022 | down 30.5% | volatile |
| 145 | Bolivia (Plurinational State of) | -4.9% | 2022 | down 144.1% | volatile |
| 146 | Zambia | -5.0% | 2022 | down 562.5% | volatile |
| 147 | South Africa | -6.7% | 2022 | down 212.1% | volatile |
| 148 | El Salvador | -8.1% | 2022 | down 518.2% | volatile |
| 149 | Libya | -9.8% | 2022 | down 134.1% | volatile |
| 150 | Democratic Republic of the Congo | -10.2% | 2022 | down 6,116.7% | volatile |
| 151 | Lesotho | -12.5% | 2022 | down 165.1% | volatile |
| 152 | Armenia | -13.2% | 2022 | down 188.2% | volatile |
| 153 | Namibia | -23.1% | 2022 | down 387.7% | volatile |
| 154 | Martinique | -85.4% | 2022 | down 714.1% | volatile |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.
- Northern Africa 40.9%
- South-Eastern Asia 37.8%
- Eastern and South-Eastern Asia 27.3%
- Eastern Asia 23.5%
- Northern Africa and Western Asia 19.7%
- Middle Africa 16.7%
- Southern Asia 16.6%
- Asia 16.4%
- Least Developed Countries (LDCs) 13.0%
- Africa 11.4%
- Developing regions 10.3%
- Southern Europe 10.1%
- Eastern Africa 9.9%
- Sub-Saharan Africa 9.6%
- Western Africa 9.4%
- Central and Southern Asia 8.9%
- Landlocked developing countries (LLDCs) 8.3%
- Western Europe 7.8%
- Europe 7.4%
- Eastern Europe 7.4%
- Small island developing States (SIDS) 7.2%
- Northern Europe 7.2%
- World 6.5%
- Western Asia 5.8%
- Central America 4.6%
- Europe and Northern America 4.1%
- Developed regions (Europe, Cyprus, Israel, Northern America, Japan, Australia & New Zealand) 4.0%
- Latin America and the Caribbean 2.1%
- South America 1.8%
- United States of America 1.7%
- Americas 1.6%
- Northern America 1.5%
- Oceania (exc. Australia and New Zealand) 1.2%
- Central Asia 1.0%
- Oceania -0.8%
- Southern Africa -4.7%