Reservoir minimum water area (square kilometres) by country
Countries reporting
235
Highest
87,014 kmsq
Russian Federation
Lowest
0 kmsq
Cocos (Keeling) Islands
Median
7.72 kmsq
Years covered
23
2000β2022
Data points
6,369
What the numbers show
Reservoir minimum water area (square kilometres) is currently reported for 235 countries. The highest value is 87,014 kmsq in Russian Federation; the lowest is 0 kmsq in Cocos (Keeling) Islands.
The median across all reporting countries is 7.72 kmsq, and the mean is 1,244 kmsq.
Over the past decade 77 countries rose and 62 fell. The largest increase was in Eritrea (up 858.6%), and the largest decrease in Martinique (down 87.2%).
Reservoir minimum water area: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Russian Federation | 87,014 kmsq | 2022 | up 1.1% | rising |
| 2 | United Republic of Tanzania | 34,923 kmsq | 2022 | down 0.0% | rising |
| 3 | Uganda | 28,446 kmsq | 2022 | up 0.1% | rising |
| 4 | Brazil | 23,887 kmsq | 2022 | down 7.0% | rising |
| 5 | China | 13,063 kmsq | 2022 | up 17.6% | rising |
| 6 | Finland | 7,276 kmsq | 2022 | up 2.3% | rising |
| 7 | India | 6,758 kmsq | 2022 | up 6.9% | rising |
| 8 | Kazakhstan | 6,123 kmsq | 2022 | up 0.6% | flat |
| 9 | Ghana | 5,430 kmsq | 2022 | down 0.9% | rising |
| 10 | Egypt | 4,460 kmsq | 2022 | up 11.6% | rising |
| 11 | Venezuela (Bolivarian Republic of) | 4,370 kmsq | 2022 | up 1.4% | rising |
| 12 | Australia and New Zealand | 4,285 kmsq | 2022 | up 0.3% | rising |
| 13 | Kenya | 3,849 kmsq | 2022 | up 1.1% | rising |
| 14 | Ukraine | 3,776 kmsq | 2022 | down 0.7% | rising |
| 15 | Mexico | 3,237 kmsq | 2022 | down 7.3% | rising |
| 16 | Argentina | 3,188 kmsq | 2022 | down 1.6% | rising |
| 17 | Australia | 3,175 kmsq | 2022 | up 0.3% | flat |
| 18 | TΓΌrkiye | 3,170 kmsq | 2022 | up 12.0% | rising |
| 19 | Zimbabwe | 3,021 kmsq | 2022 | down 3.8% | flat |
| 20 | Iraq | 2,929 kmsq | 2022 | down 1.1% | falling |
| 21 | Zambia | 2,461 kmsq | 2022 | down 6.0% | falling |
| 22 | Mozambique | 2,416 kmsq | 2022 | down 4.6% | flat |
| 23 | Paraguay | 2,089 kmsq | 2022 | up 4.6% | rising |
| 24 | Sudan | 1,922 kmsq | 2022 | up 76.1% | rising |
| 25 | Thailand | 1,860 kmsq | 2022 | down 4.0% | rising |
| 26 | Nigeria | 1,860 kmsq | 2022 | up 9.8% | rising |
| 27 | Norway | 1,686 kmsq | 2022 | up 3.4% | rising |
| 28 | Spain | 1,432 kmsq | 2022 | down 5.1% | rising |
| 29 | Malaysia | 1,380 kmsq | 2022 | up 104.9% | rising |
| 30 | Uruguay | 1,337 kmsq | 2022 | down 1.0% | flat |
| 31 | New Zealand | 1,110 kmsq | 2022 | up 0.1% | rising |
| 32 | Japan | 999.86 kmsq | 2022 | down 0.7% | flat |
| 33 | Viet Nam | 971.58 kmsq | 2022 | up 43.4% | rising |
| 34 | Cameroon | 927.48 kmsq | 2022 | up 13.7% | rising |
| 35 | Iran (Islamic Republic of) | 802.17 kmsq | 2022 | up 54.0% | rising |
| 36 | Lao People's Democratic Republic | 778.41 kmsq | 2022 | up 44.5% | rising |
| 37 | CΓ΄te d'Ivoire | 748.22 kmsq | 2022 | down 4.2% | rising |
| 38 | Ethiopia | 716.85 kmsq | 2022 | up 66.1% | rising |
| 39 | Syrian Arab Republic | 634.26 kmsq | 2022 | down 1.2% | rising |
| 40 | Myanmar | 617.87 kmsq | 2022 | up 13.3% | rising |
| 41 | Mali | 601.46 kmsq | 2022 | up 3.6% | rising |
| 42 | Azerbaijan | 544.51 kmsq | 2022 | down 12.1% | rising |
| 43 | Pakistan | 510.29 kmsq | 2022 | up 1.7% | rising |
| 44 | Romania | 442.82 kmsq | 2022 | up 0.6% | rising |
| 45 | Tajikistan | 429.92 kmsq | 2022 | up 9.0% | rising |
| 46 | Democratic People's Republic of Korea | 425.6 kmsq | 2022 | up 2.1% | rising |
| 47 | Peru | 407.38 kmsq | 2022 | down 0.0% | flat |
| 48 | Portugal | 396.9 kmsq | 2022 | up 2.0% | rising |
| 49 | Morocco | 383.78 kmsq | 2022 | down 14.5% | rising |
| 50 | Italy | 377.23 kmsq | 2022 | down 2.8% | rising |
| 51 | Colombia | 376.34 kmsq | 2022 | up 25.0% | rising |
| 52 | Angola | 340.8 kmsq | 2022 | up 12.8% | rising |
| 53 | Republic of Korea | 333.62 kmsq | 2022 | up 4.8% | rising |
| 54 | Burkina Faso | 330.07 kmsq | 2022 | up 18.6% | rising |
| 55 | United Kingdom of Great Britain and Northern Ireland | 329.12 kmsq | 2022 | up 38.2% | rising |
| 56 | Democratic Republic of the Congo | 320.37 kmsq | 2022 | down 10.3% | falling |
| 57 | France | 307.07 kmsq | 2022 | up 1.9% | rising |
| 58 | Poland | 288.91 kmsq | 2022 | down 1.1% | rising |
| 59 | Kyrgyzstan | 273.17 kmsq | 2022 | down 0.6% | falling |
| 60 | Greece | 264.06 kmsq | 2022 | up 5.7% | rising |
| 61 | Indonesia | 260.85 kmsq | 2022 | up 1.9% | rising |
| 62 | Bulgaria | 242.88 kmsq | 2022 | down 5.0% | rising |
| 63 | Panama | 240.46 kmsq | 2022 | down 0.5% | rising |
| 64 | Iceland | 233.32 kmsq | 2022 | up 18.0% | rising |
| 65 | French Guiana | 230.24 kmsq | 2022 | down 2.1% | rising |
| 66 | Algeria | 223.24 kmsq | 2022 | down 0.6% | rising |
| 67 | Chile | 218.6 kmsq | 2022 | up 7.6% | rising |
| 68 | Bangladesh | 216.71 kmsq | 2022 | up 4.8% | rising |
| 69 | Tunisia | 169.4 kmsq | 2022 | down 5.6% | rising |
| 70 | Czechia | 166.94 kmsq | 2022 | up 0.6% | rising |
| 71 | Uzbekistan | 162.36 kmsq | 2022 | down 0.7% | rising |
| 72 | Germany | 151.31 kmsq | 2022 | down 0.3% | rising |
| 73 | Serbia | 147.19 kmsq | 2022 | up 0.3% | rising |
| 74 | Slovakia | 145.92 kmsq | 2022 | down 0.3% | rising |
| 75 | Cambodia | 145.52 kmsq | 2022 | up 404.7% | volatile |
| 76 | Honduras | 139.02 kmsq | 2022 | down 0.3% | flat |
| 77 | Sri Lanka | 136.16 kmsq | 2022 | down 4.5% | rising |
| 78 | Turkmenistan | 129.53 kmsq | 2022 | down 9.6% | rising |
| 79 | Ireland | 129.46 kmsq | 2022 | up 49.0% | rising |
| 80 | Mauritania | 123.77 kmsq | 2022 | down 3.4% | rising |
| 81 | Bosnia and Herzegovina | 98.38 kmsq | 2022 | down 1.7% | rising |
| 82 | Switzerland | 96.43 kmsq | 2022 | down 0.2% | rising |
| 83 | Botswana | 87.37 kmsq | 2022 | up 100.6% | rising |
| 84 | Costa Rica | 83.39 kmsq | 2022 | up 4.3% | rising |
| 85 | Albania | 80.17 kmsq | 2022 | up 11.9% | rising |
| 86 | Philippines | 79.65 kmsq | 2022 | down 6.9% | rising |
| 87 | Latvia | 76.76 kmsq | 2022 | up 1.0% | rising |
| 88 | Ecuador | 69.08 kmsq | 2022 | down 2.8% | rising |
| 89 | El Salvador | 66.51 kmsq | 2022 | down 9.8% | falling |
| 90 | Republic of Moldova | 62.04 kmsq | 2022 | down 1.7% | flat |
| 91 | Austria | 56.37 kmsq | 2022 | up 0.9% | rising |
| 92 | Hungary | 55.57 kmsq | 2022 | down 4.1% | rising |
| 93 | Dominican Republic | 53.73 kmsq | 2022 | down 5.1% | rising |
| 94 | Afghanistan | 53.1 kmsq | 2022 | down 3.2% | flat |
| 95 | Lithuania | 51.63 kmsq | 2022 | up 0.1% | rising |
| 96 | Togo | 49.73 kmsq | 2022 | up 14.2% | rising |
| 97 | Cuba | 49.21 kmsq | 2022 | up 11.9% | rising |
| 98 | Mongolia | 49.17 kmsq | 2022 | up 85.4% | volatile |
| 99 | Croatia | 47 kmsq | 2022 | up 0.7% | rising |
| 100 | North Macedonia | 44.88 kmsq | 2022 | down 4.4% | rising |
| 101 | Madagascar | 44.08 kmsq | 2022 | down 3.3% | flat |
| 102 | Melanesia | 41.69 kmsq | 2022 | down 4.8% | flat |
| 103 | Namibia | 38.81 kmsq | 2022 | down 28.9% | falling |
| 104 | Eswatini | 38.26 kmsq | 2022 | down 5.9% | rising |
| 105 | Papua New Guinea | 38.14 kmsq | 2022 | down 7.4% | flat |
| 106 | Guinea | 36.08 kmsq | 2022 | up 27.0% | rising |
| 107 | Eritrea | 35.57 kmsq | 2022 | up 858.6% | volatile |
| 108 | Georgia | 35.01 kmsq | 2022 | down 7.2% | rising |
| 109 | Congo | 32.97 kmsq | 2022 | up 200.7% | volatile |
| 110 | Lesotho | 32.25 kmsq | 2022 | down 26.6% | rising |
| 111 | Nicaragua | 32.14 kmsq | 2022 | up 6.6% | rising |
| 112 | Senegal | 28.37 kmsq | 2022 | down 6.4% | flat |
| 113 | Montenegro | 20.47 kmsq | 2022 | up 0.6% | rising |
| 114 | Saudi Arabia | 16.52 kmsq | 2022 | up 519.9% | volatile |
| 115 | Bolivia (Plurinational State of) | 16.21 kmsq | 2022 | down 14.4% | rising |
| 116 | Armenia | 14.7 kmsq | 2022 | down 24.4% | rising |
| 117 | Gabon | 13.36 kmsq | 2022 | up 147.9% | rising |
| 118 | Belgium | 7.72 kmsq | 2022 | up 0.4% | rising |
| 119 | Guatemala | 5.68 kmsq | 2022 | down 4.6% | flat |
| 120 | Singapore | 5.65 kmsq | 2022 | down 1.9% | rising |
| 121 | Puerto Rico | 5.36 kmsq | 2022 | up 9.5% | rising |
| 122 | Lebanon | 5.28 kmsq | 2022 | down 0.2% | rising |
| 123 | Cyprus | 4.36 kmsq | 2022 | up 39.9% | rising |
| 124 | Belize | 4.17 kmsq | 2022 | up 4.3% | volatile |
| 125 | Greenland | 3.74 kmsq | 2022 | up 4.6% | rising |
| 126 | Fiji | 3.54 kmsq | 2022 | up 37.0% | rising |
| 127 | Slovenia | 2.42 kmsq | 2022 | up 5.3% | rising |
| 128 | Oman | 2.19 kmsq | 2022 | β | volatile |
| 129 | Rwanda | 1.85 kmsq | 2022 | up 732.3% | volatile |
| 130 | Luxembourg | 1.38 kmsq | 2022 | down 2.8% | rising |
| 131 | Libya | 1.18 kmsq | 2022 | down 29.9% | rising |
| 132 | Benin | 1.11 kmsq | 2022 | up 17.2% | rising |
| 133 | Liberia | 0.9647 kmsq | 2022 | up 401.4% | volatile |
| 134 | Nepal | 0.7632 kmsq | 2022 | up 13.8% | rising |
| 135 | Jordan | 0.7215 kmsq | 2022 | up 18.7% | volatile |
| 136 | Suriname | 0.5022 kmsq | 2022 | up 90.8% | rising |
| 137 | Sierra Leone | 0.4819 kmsq | 2022 | down 0.1% | rising |
| 138 | United Arab Emirates | 0.1993 kmsq | 2022 | β | volatile |
| 139 | Bhutan | 0.1011 kmsq | 2022 | up 31.3% | volatile |
| 140 | Israel | 0.0492 kmsq | 2022 | up 2.2% | volatile |
| 141 | Martinique | 0.0182 kmsq | 2022 | down 87.2% | falling |
| 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 437,050 kmsq
- Developed regions (Europe, Cyprus, Israel, Northern America, Japan, Australia & New Zealand) 258,153 kmsq
- Europe and Northern America 252,868 kmsq
- Developing regions 178,897 kmsq
- Americas 178,607 kmsq
- Northern America 138,501 kmsq
- Europe 114,367 kmsq
- Africa 95,808 kmsq
- Eastern Europe 92,245 kmsq
- Sub-Saharan Africa 88,648 kmsq
- Eastern Africa 75,916 kmsq
- Least Developed Countries (LDCs) 74,646 kmsq