Reservoir maximum water area (square kilometres) by country
Countries reporting
235
Highest
89,719 kmsq
Russian Federation
Lowest
0 kmsq
Cocos (Keeling) Islands
Median
13.3 kmsq
Years covered
23
2000β2022
Data points
6,369
What the numbers show
Reservoir maximum water area (square kilometres) is currently reported for 235 countries. The highest value is 89,719 kmsq in Russian Federation; the lowest is 0 kmsq in Cocos (Keeling) Islands.
The median across all reporting countries is 13.3 kmsq, and the mean is 1,431 kmsq.
Over the past decade 110 countries rose and 28 fell. The largest increase was in Rwanda (up 831.1%), and the largest decrease in Lesotho (down 12.5%).
Reservoir maximum water area: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Russian Federation | 89,719 kmsq | 2022 | up 1.6% | rising |
| 2 | United Republic of Tanzania | 35,080 kmsq | 2022 | up 0.1% | rising |
| 3 | Brazil | 28,941 kmsq | 2022 | down 4.3% | rising |
| 4 | Uganda | 28,492 kmsq | 2022 | up 0.2% | rising |
| 5 | China | 18,028 kmsq | 2022 | up 13.2% | rising |
| 6 | India | 14,564 kmsq | 2022 | up 8.9% | rising |
| 7 | Finland | 7,470 kmsq | 2022 | up 2.8% | rising |
| 8 | Ghana | 7,090 kmsq | 2022 | up 4.8% | rising |
| 9 | Kazakhstan | 6,761 kmsq | 2022 | up 0.6% | flat |
| 10 | Venezuela (Bolivarian Republic of) | 5,177 kmsq | 2022 | up 1.8% | rising |
| 11 | Egypt | 5,151 kmsq | 2022 | up 8.3% | rising |
| 12 | Australia and New Zealand | 5,025 kmsq | 2022 | down 0.4% | rising |
| 13 | Mexico | 4,467 kmsq | 2022 | down 5.3% | rising |
| 14 | Ukraine | 4,028 kmsq | 2022 | up 0.5% | rising |
| 15 | Kenya | 3,957 kmsq | 2022 | up 0.6% | rising |
| 16 | Australia | 3,887 kmsq | 2022 | down 0.6% | flat |
| 17 | TΓΌrkiye | 3,654 kmsq | 2022 | up 14.1% | rising |
| 18 | Argentina | 3,536 kmsq | 2022 | down 3.1% | rising |
| 19 | Iraq | 3,519 kmsq | 2022 | up 4.1% | falling |
| 20 | Zimbabwe | 3,340 kmsq | 2022 | down 0.5% | flat |
| 21 | Sudan | 3,307 kmsq | 2022 | up 32.5% | rising |
| 22 | Thailand | 3,150 kmsq | 2022 | down 6.9% | rising |
| 23 | Mozambique | 2,813 kmsq | 2022 | up 0.8% | rising |
| 24 | Zambia | 2,749 kmsq | 2022 | down 2.7% | flat |
| 25 | Nigeria | 2,737 kmsq | 2022 | up 7.0% | rising |
| 26 | Paraguay | 2,154 kmsq | 2022 | up 2.3% | rising |
| 27 | Spain | 1,823 kmsq | 2022 | up 0.3% | rising |
| 28 | Norway | 1,806 kmsq | 2022 | up 7.4% | rising |
| 29 | Cameroon | 1,788 kmsq | 2022 | up 27.0% | rising |
| 30 | Viet Nam | 1,739 kmsq | 2022 | up 42.2% | rising |
| 31 | Malaysia | 1,590 kmsq | 2022 | up 110.2% | rising |
| 32 | Uruguay | 1,526 kmsq | 2022 | down 1.9% | flat |
| 33 | CΓ΄te d'Ivoire | 1,278 kmsq | 2022 | up 19.6% | rising |
| 34 | Lao People's Democratic Republic | 1,178 kmsq | 2022 | up 45.5% | rising |
| 35 | Japan | 1,170 kmsq | 2022 | up 3.5% | flat |
| 36 | New Zealand | 1,138 kmsq | 2022 | up 0.0% | rising |
| 37 | Ethiopia | 1,129 kmsq | 2022 | up 47.2% | rising |
| 38 | Iran (Islamic Republic of) | 1,110 kmsq | 2022 | up 42.5% | rising |
| 39 | Myanmar | 1,069 kmsq | 2022 | up 17.9% | rising |
| 40 | Pakistan | 970.75 kmsq | 2022 | up 1.4% | rising |
| 41 | Mali | 907.8 kmsq | 2022 | up 1.6% | rising |
| 42 | Burkina Faso | 713.5 kmsq | 2022 | up 22.8% | rising |
| 43 | Syrian Arab Republic | 683.82 kmsq | 2022 | down 0.3% | rising |
| 44 | Azerbaijan | 643.9 kmsq | 2022 | down 7.2% | rising |
| 45 | Democratic People's Republic of Korea | 641.79 kmsq | 2022 | up 3.0% | rising |
| 46 | Angola | 612.05 kmsq | 2022 | up 45.3% | rising |
| 47 | Peru | 570.56 kmsq | 2022 | down 1.4% | flat |
| 48 | Tajikistan | 560.4 kmsq | 2022 | up 0.7% | rising |
| 49 | Morocco | 498.13 kmsq | 2022 | down 7.6% | rising |
| 50 | Republic of Korea | 490.48 kmsq | 2022 | up 4.0% | rising |
| 51 | Colombia | 488.05 kmsq | 2022 | up 36.4% | rising |
| 52 | Romania | 486.99 kmsq | 2022 | up 0.8% | rising |
| 53 | Portugal | 461.92 kmsq | 2022 | up 4.1% | rising |
| 54 | Bangladesh | 450.52 kmsq | 2022 | up 7.6% | rising |
| 55 | Indonesia | 431.5 kmsq | 2022 | up 12.4% | rising |
| 56 | Italy | 421.3 kmsq | 2022 | down 0.0% | rising |
| 57 | Democratic Republic of the Congo | 381.27 kmsq | 2022 | down 2.0% | flat |
| 58 | United Kingdom of Great Britain and Northern Ireland | 369.57 kmsq | 2022 | up 47.9% | rising |
| 59 | France | 365.66 kmsq | 2022 | up 4.4% | rising |
| 60 | Mauritania | 338.88 kmsq | 2022 | up 15.8% | rising |
| 61 | Kyrgyzstan | 332 kmsq | 2022 | up 0.9% | flat |
| 62 | Panama | 312.93 kmsq | 2022 | up 3.9% | rising |
| 63 | Poland | 312.31 kmsq | 2022 | up 1.2% | rising |
| 64 | Uzbekistan | 306.26 kmsq | 2022 | up 0.6% | rising |
| 65 | Greece | 304.22 kmsq | 2022 | up 7.7% | rising |
| 66 | Algeria | 300.19 kmsq | 2022 | up 1.4% | rising |
| 67 | Chile | 293.5 kmsq | 2022 | up 5.5% | rising |
| 68 | French Guiana | 288.16 kmsq | 2022 | up 4.5% | rising |
| 69 | Cambodia | 286.18 kmsq | 2022 | up 637.5% | volatile |
| 70 | Bulgaria | 283.29 kmsq | 2022 | down 1.6% | rising |
| 71 | Turkmenistan | 258.43 kmsq | 2022 | down 5.7% | rising |
| 72 | Sri Lanka | 255.7 kmsq | 2022 | down 5.2% | rising |
| 73 | Iceland | 240.83 kmsq | 2022 | up 21.3% | rising |
| 74 | Tunisia | 226.03 kmsq | 2022 | down 7.9% | rising |
| 75 | Germany | 179.68 kmsq | 2022 | up 3.9% | rising |
| 76 | Czechia | 179.03 kmsq | 2022 | up 1.5% | rising |
| 77 | Honduras | 162.92 kmsq | 2022 | up 0.7% | flat |
| 78 | Serbia | 162.22 kmsq | 2022 | up 2.1% | rising |
| 79 | Slovakia | 153.91 kmsq | 2022 | up 0.3% | rising |
| 80 | El Salvador | 148.32 kmsq | 2022 | up 0.4% | flat |
| 81 | Togo | 143.29 kmsq | 2022 | up 2.1% | rising |
| 82 | Ireland | 137.4 kmsq | 2022 | up 54.0% | rising |
| 83 | Philippines | 123.2 kmsq | 2022 | down 2.9% | rising |
| 84 | Guinea | 122.49 kmsq | 2022 | up 4.8% | rising |
| 85 | Bosnia and Herzegovina | 115.52 kmsq | 2022 | up 0.9% | rising |
| 86 | Afghanistan | 115.29 kmsq | 2022 | up 1.4% | rising |
| 87 | Ecuador | 109.32 kmsq | 2022 | up 23.6% | rising |
| 88 | Botswana | 109.22 kmsq | 2022 | up 100.6% | rising |
| 89 | Switzerland | 105.57 kmsq | 2022 | up 1.7% | rising |
| 90 | Albania | 102.51 kmsq | 2022 | up 17.0% | rising |
| 91 | Costa Rica | 93.63 kmsq | 2022 | up 11.0% | rising |
| 92 | Cuba | 92.27 kmsq | 2022 | up 24.5% | rising |
| 93 | Hungary | 86.2 kmsq | 2022 | down 1.8% | rising |
| 94 | Latvia | 82.09 kmsq | 2022 | up 1.9% | rising |
| 95 | Dominican Republic | 77.65 kmsq | 2022 | up 2.4% | rising |
| 96 | Republic of Moldova | 68.01 kmsq | 2022 | down 0.5% | rising |
| 97 | Senegal | 64.98 kmsq | 2022 | up 5.3% | rising |
| 98 | Mongolia | 63.77 kmsq | 2022 | up 58.3% | volatile |
| 99 | Namibia | 62.92 kmsq | 2022 | down 9.9% | falling |
| 100 | Madagascar | 62.72 kmsq | 2022 | up 2.0% | rising |
| 101 | Austria | 60.78 kmsq | 2022 | up 1.9% | rising |
| 102 | Lithuania | 53.44 kmsq | 2022 | up 0.7% | rising |
| 103 | North Macedonia | 53.4 kmsq | 2022 | up 0.8% | rising |
| 104 | Congo | 52.97 kmsq | 2022 | up 137.0% | volatile |
| 105 | Croatia | 52.09 kmsq | 2022 | up 1.7% | rising |
| 106 | Georgia | 50.47 kmsq | 2022 | down 5.8% | rising |
| 107 | Melanesia | 49.29 kmsq | 2022 | up 2.2% | rising |
| 108 | Eswatini | 46.83 kmsq | 2022 | up 0.9% | rising |
| 109 | Eritrea | 44.73 kmsq | 2022 | up 578.6% | volatile |
| 110 | Papua New Guinea | 44.01 kmsq | 2022 | down 1.2% | flat |
| 111 | Lesotho | 43.01 kmsq | 2022 | down 12.5% | rising |
| 112 | Nicaragua | 39.83 kmsq | 2022 | up 6.9% | rising |
| 113 | Bolivia (Plurinational State of) | 34.4 kmsq | 2022 | up 0.8% | rising |
| 114 | Armenia | 29.59 kmsq | 2022 | down 0.1% | rising |
| 115 | Gabon | 24.44 kmsq | 2022 | up 305.3% | volatile |
| 116 | Saudi Arabia | 22.96 kmsq | 2022 | up 344.9% | volatile |
| 117 | Montenegro | 22.92 kmsq | 2022 | up 2.1% | rising |
| 118 | Sierra Leone | 13.3 kmsq | 2022 | up 84.9% | volatile |
| 119 | Puerto Rico | 10.9 kmsq | 2022 | up 6.8% | rising |
| 120 | Belgium | 9.2 kmsq | 2022 | up 7.4% | rising |
| 121 | Liberia | 8.79 kmsq | 2022 | up 74.0% | rising |
| 122 | Guatemala | 7.9 kmsq | 2022 | up 2.5% | flat |
| 123 | Belize | 7.49 kmsq | 2022 | up 9.8% | volatile |
| 124 | Suriname | 6.77 kmsq | 2022 | up 23.2% | rising |
| 125 | Lebanon | 6.33 kmsq | 2022 | up 1.1% | rising |
| 126 | Singapore | 6.23 kmsq | 2022 | up 1.8% | rising |
| 127 | Fiji | 5.28 kmsq | 2022 | up 42.2% | rising |
| 128 | Cyprus | 5.16 kmsq | 2022 | up 38.0% | rising |
| 129 | Greenland | 4.08 kmsq | 2022 | up 5.3% | rising |
| 130 | Libya | 3.61 kmsq | 2022 | down 0.0% | rising |
| 131 | Rwanda | 3.34 kmsq | 2022 | up 831.1% | volatile |
| 132 | Benin | 3.1 kmsq | 2022 | up 10.4% | rising |
| 133 | Slovenia | 2.85 kmsq | 2022 | up 3.7% | rising |
| 134 | Oman | 2.76 kmsq | 2022 | β | volatile |
| 135 | Luxembourg | 1.71 kmsq | 2022 | up 6.5% | rising |
| 136 | Nepal | 1.52 kmsq | 2022 | up 6.2% | rising |
| 137 | Jordan | 1.49 kmsq | 2022 | up 36.2% | volatile |
| 138 | Martinique | 0.4648 kmsq | 2022 | up 31.2% | rising |
| 139 | United Arab Emirates | 0.2132 kmsq | 2022 | β | volatile |
| 140 | Bhutan | 0.1198 kmsq | 2022 | up 15.4% | volatile |
| 141 | Israel | 0.0675 kmsq | 2022 | unchanged | volatile |
| 142 | Aruba | 0 kmsq | 2022 | β | flat |
| 142 | Andorra | 0 kmsq | 2022 | β | flat |
| 142 | Antigua and Barbuda | 0 kmsq | 2022 | β | flat |
| 142 | Burundi | 0 kmsq | 2022 | β | flat |
| 142 | Bahrain | 0 kmsq | 2022 | β | flat |
| 142 | Bahamas | 0 kmsq | 2022 | β | flat |
| 142 | Bermuda | 0 kmsq | 2022 | β | flat |
| 142 | Barbados | 0 kmsq | 2022 | β | flat |
| 142 | Comoros | 0 kmsq | 2022 | β | flat |
| 142 | Cayman Islands | 0 kmsq | 2022 | β | flat |
| 142 | Djibouti | 0 kmsq | 2022 | β | flat |
| 142 | Dominica | 0 kmsq | 2022 | β | flat |
| 142 | Denmark | 0 kmsq | 2022 | β | flat |
| 142 | Estonia | 0 kmsq | 2022 | β | flat |
| 142 | Faroe Islands | 0 kmsq | 2022 | β | flat |
| 142 | Gibraltar | 0 kmsq | 2022 | β | flat |
| 142 | Gambia | 0 kmsq | 2022 | β | flat |
| 142 | Guinea-Bissau | 0 kmsq | 2022 | β | flat |
| 142 | Equatorial Guinea | 0 kmsq | 2022 | β | flat |
| 142 | Grenada | 0 kmsq | 2022 | β | flat |
| 142 | Guam | 0 kmsq | 2022 | β | flat |
| 142 | Guyana | 0 kmsq | 2022 | β | flat |
| 142 | Haiti | 0 kmsq | 2022 | β | flat |
| 142 | Isle of Man | 0 kmsq | 2022 | β | flat |
| 142 | Jamaica | 0 kmsq | 2022 | β | flat |
| 142 | Kiribati | 0 kmsq | 2022 | β | flat |
| 142 | Saint Kitts and Nevis | 0 kmsq | 2022 | β | flat |
| 142 | Saint Lucia | 0 kmsq | 2022 | β | flat |
| 142 | Liechtenstein | 0 kmsq | 2022 | β | flat |
| 142 | Saint Martin (French Part) | 0 kmsq | 2022 | β | flat |
| 142 | Monaco | 0 kmsq | 2022 | β | flat |
| 142 | Marshall Islands | 0 kmsq | 2022 | β | flat |
| 142 | Malta | 0 kmsq | 2022 | β | flat |
| 142 | Northern Mariana Islands | 0 kmsq | 2022 | β | flat |
| 142 | Mauritius | 0 kmsq | 2022 | β | flat |
| 142 | Malawi | 0 kmsq | 2022 | β | flat |
| 142 | New Caledonia | 0 kmsq | 2022 | β | flat |
| 142 | Niger | 0 kmsq | 2022 | β | flat |
| 142 | Nauru | 0 kmsq | 2022 | β | flat |
| 142 | Palau | 0 kmsq | 2022 | β | flat |
| 142 | French Polynesia | 0 kmsq | 2022 | β | flat |
| 142 | Qatar | 0 kmsq | 2022 | β | flat |
| 142 | Solomon Islands | 0 kmsq | 2022 | β | flat |
| 142 | San Marino | 0 kmsq | 2022 | β | flat |
| 142 | Somalia | 0 kmsq | 2022 | β | flat |
| 142 | South Sudan | 0 kmsq | 2022 | β | flat |
| 142 | Sao Tome and Principe | 0 kmsq | 2022 | β | flat |
| 142 | Sint Maarten (Dutch part) | 0 kmsq | 2022 | β | flat |
| 142 | Seychelles | 0 kmsq | 2022 | β | flat |
| 142 | Turks and Caicos Islands | 0 kmsq | 2022 | β | flat |
| 142 | Chad | 0 kmsq | 2022 | β | flat |
| 142 | Tonga | 0 kmsq | 2022 | β | flat |
| 142 | Trinidad and Tobago | 0 kmsq | 2022 | β | flat |
| 142 | Tuvalu | 0 kmsq | 2022 | β | flat |
| 142 | Saint Vincent and the Grenadines | 0 kmsq | 2022 | β | flat |
| 142 | British Virgin Islands | 0 kmsq | 2022 | β | flat |
| 142 | United States Virgin Islands | 0 kmsq | 2022 | β | flat |
| 142 | Vanuatu | 0 kmsq | 2022 | β | flat |
| 142 | Samoa | 0 kmsq | 2022 | β | flat |
| 142 | Yemen | 0 kmsq | 2022 | β | flat |
| 142 | Guadeloupe | 0 kmsq | 2022 | β | flat |
| 142 | Mayotte | 0 kmsq | 2022 | β | flat |
| 142 | Western Sahara | 0 kmsq | 2022 | β | flat |
| 142 | Anguilla | 0 kmsq | 2022 | β | flat |
| 142 | Cook Islands | 0 kmsq | 2022 | β | flat |
| 142 | Montserrat | 0 kmsq | 2022 | β | flat |
| 142 | Niue | 0 kmsq | 2022 | β | flat |
| 142 | Guernsey | 0 kmsq | 2022 | β | flat |
| 142 | Jersey | 0 kmsq | 2022 | β | flat |
| 142 | Saint Helena | 0 kmsq | 2022 | β | flat |
| 142 | Saint Pierre and Miquelon | 0 kmsq | 2022 | β | flat |
| 142 | Tokelau | 0 kmsq | 2022 | β | flat |
| 142 | Wallis and Futuna Islands | 0 kmsq | 2022 | β | flat |
| 142 | Micronesia | 0 kmsq | 2022 | β | flat |
| 142 | Norfolk Island | 0 kmsq | 2022 | β | flat |
| 142 | Christmas Island | 0 kmsq | 2022 | β | flat |
| 142 | Timor-Leste | 0 kmsq | 2022 | β | flat |
| 142 | Cabo Verde | 0 kmsq | 2022 | β | flat |
| 142 | Pitcairn | 0 kmsq | 2022 | β | flat |
| 142 | South Georgia and the South Sandwich Islands | 0 kmsq | 2022 | β | flat |
| 142 | Polynesia | 0 kmsq | 2022 | β | flat |
| 142 | Heard Island and McDonald Islands | 0 kmsq | 2022 | β | flat |
| 142 | Bouvet Island | 0 kmsq | 2022 | β | flat |
| 142 | French Southern Territories | 0 kmsq | 2022 | β | flat |
| 142 | Holy See | 0 kmsq | 2022 | β | flat |
| 142 | Brunei Darussalam | 0 kmsq | 2022 | β | flat |
| 142 | CuraΓ§ao | 0 kmsq | 2022 | β | flat |
| 142 | RΓ©union | 0 kmsq | 2022 | β | flat |
| 142 | Micronesia (Federated States of) | 0 kmsq | 2022 | β | flat |
| 142 | Falkland Islands (Malvinas) | 0 kmsq | 2022 | β | flat |
| 142 | Svalbard and Jan Mayen Islands | 0 kmsq | 2022 | β | flat |
| 142 | Saint BarthΓ©lemy | 0 kmsq | 2022 | β | flat |
| 142 | Γ land Islands | 0 kmsq | 2022 | β | flat |
| 142 | Cocos (Keeling) Islands | 0 kmsq | 2022 | β | flat |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.
- World 487,606 kmsq
- Developed regions (Europe, Cyprus, Israel, Northern America, Japan, Australia & New Zealand) 270,065 kmsq
- Europe and Northern America 263,870 kmsq
- Developing regions 217,541 kmsq
- Americas 193,606 kmsq
- Northern America 145,060 kmsq
- Europe 118,809 kmsq
- Africa 105,814 kmsq
- Sub-Saharan Africa 96,328 kmsq
- Eastern Europe 95,370 kmsq
- Least Developed Countries (LDCs) 80,133 kmsq
- Eastern Africa 77,670 kmsq