Change in maximum river flow (%) by country
Countries reporting
226
Highest
146.4%
United Arab Emirates
Lowest
-89.8%
Western Sahara
Median
4.6%
Years covered
20
2005–2024
Data points
5,240
What the numbers show
Change in maximum river flow (%) is currently reported for 226 countries. The highest value is 146.4% in United Arab Emirates; the lowest is -89.8% in Western Sahara.
The median across all reporting countries is 4.6%, and the mean is 3.9%.
The gap between the highest and lowest reporting country is a factor of about 2.
Over the past decade 109 countries rose and 117 fell. The largest increase was in Marshall Islands (up 25,050.6%), and the largest decrease in Thailand (down 3,612.3%).
Change in maximum river flow: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | United Arab Emirates | 146.4% | 2024 | up 786.7% | volatile |
| 2 | South Africa | 111.3% | 2024 | up 1,923.6% | volatile |
| 3 | Lesotho | 83.8% | 2024 | up 605.0% | volatile |
| 4 | Burkina Faso | 82.2% | 2024 | up 267.2% | volatile |
| 5 | Eswatini | 70.7% | 2024 | up 975.7% | volatile |
| 6 | Botswana | 66.2% | 2024 | up 1,054.7% | volatile |
| 7 | Zambia | 63.8% | 2024 | up 553.9% | volatile |
| 8 | Namibia | 61.9% | 2024 | up 176.3% | volatile |
| 9 | Ghana | 61.8% | 2024 | up 948.9% | volatile |
| 10 | Mongolia | 53.4% | 2024 | up 982.8% | volatile |
| 11 | French Guiana | 51.3% | 2024 | up 620.8% | volatile |
| 12 | Senegal | 49.7% | 2024 | up 536.5% | volatile |
| 13 | Suriname | 48.6% | 2024 | up 1,332.2% | volatile |
| 14 | Somalia | 48.4% | 2024 | up 6,794.7% | volatile |
| 15 | Mozambique | 47.5% | 2024 | up 1,595.9% | volatile |
| 16 | Gabon | 46.9% | 2024 | up 1,089.0% | volatile |
| 17 | Gambia | 46.9% | 2024 | up 549.4% | volatile |
| 18 | Cyprus | 46.2% | 2024 | up 541.5% | volatile |
| 19 | Mauritania | 45.7% | 2024 | up 904.8% | volatile |
| 20 | United Republic of Tanzania | 44.3% | 2024 | up 652.2% | volatile |
| 21 | New Caledonia | 43.9% | 2024 | up 51.7% | volatile |
| 22 | Nicaragua | 43.2% | 2024 | up 680.9% | volatile |
| 23 | Fiji | 40.6% | 2024 | up 95.0% | volatile |
| 24 | Vanuatu | 40.6% | 2024 | up 129.3% | volatile |
| 25 | Niger | 40.5% | 2024 | up 1,100.8% | volatile |
| 26 | Zimbabwe | 39.1% | 2024 | up 499.1% | volatile |
| 27 | Honduras | 38.8% | 2024 | up 1,669.3% | volatile |
| 28 | Malawi | 35.3% | 2024 | up 725.9% | volatile |
| 29 | Mali | 34.3% | 2024 | up 3,606.0% | volatile |
| 30 | Benin | 31.6% | 2024 | up 567.3% | volatile |
| 31 | South Korea | 30.1% | 2024 | up 132.4% | volatile |
| 31 | Republic of Korea | 30.1% | 2024 | up 132.4% | volatile |
| 33 | Sao Tome and Principe | 29.8% | 2024 | up 449.3% | volatile |
| 34 | Togo | 28.9% | 2024 | up 16,299.5% | volatile |
| 35 | Guernsey | 28.8% | 2024 | up 3,812.0% | volatile |
| 36 | Guyana | 27.5% | 2024 | up 474.6% | volatile |
| 37 | Libya | 27.5% | 2024 | up 191.5% | volatile |
| 38 | Democratic People's Republic of Korea | 27.5% | 2024 | down 35.7% | volatile |
| 39 | Jersey | 27.2% | 2024 | up 823.7% | volatile |
| 40 | Burundi | 26.1% | 2024 | up 16,499.8% | volatile |
| 41 | Angola | 25.9% | 2024 | up 548.4% | volatile |
| 42 | Barbados | 25.7% | 2024 | down 17.7% | volatile |
| 43 | Guinea | 24.0% | 2024 | up 665.9% | volatile |
| 44 | Guinea-Bissau | 23.7% | 2024 | up 1,504.3% | volatile |
| 45 | Kuwait | 23.4% | 2024 | up 148.6% | volatile |
| 46 | Trinidad and Tobago | 21.7% | 2024 | down 0.1% | volatile |
| 47 | Saudi Arabia | 21.6% | 2024 | up 162.0% | volatile |
| 48 | Equatorial Guinea | 21.5% | 2024 | up 412.0% | volatile |
| 49 | South Sudan | 21.4% | 2024 | up 162.2% | volatile |
| 50 | Finland | 21.2% | 2024 | up 1,082.9% | volatile |
| 51 | Uganda | 21.0% | 2024 | up 102.8% | volatile |
| 52 | Democratic Republic of the Congo | 21.0% | 2024 | up 4,432.1% | volatile |
| 53 | Cote d'Ivoire | 20.6% | 2024 | up 192.2% | volatile |
| 53 | Côte d'Ivoire | 20.6% | 2024 | up 192.2% | volatile |
| 55 | East Timor | 20.0% | 2024 | up 9.8% | volatile |
| 55 | Timor-Leste | 20.0% | 2024 | up 9.8% | volatile |
| 57 | Solomon Islands | 19.1% | 2024 | up 967.3% | volatile |
| 58 | Bahamas | 18.8% | 2024 | up 392.8% | volatile |
| 59 | Belgium | 18.3% | 2024 | up 457.0% | volatile |
| 60 | Rwanda | 17.9% | 2024 | up 841.5% | volatile |
| 61 | Australia | 17.3% | 2024 | down 42.1% | volatile |
| 62 | Sierra Leone | 16.9% | 2024 | up 788.4% | volatile |
| 63 | Australia and New Zealand | 16.6% | 2024 | down 41.5% | volatile |
| 64 | United States | 16.5% | 2024 | up 399.2% | volatile |
| 65 | Nigeria | 16.1% | 2024 | up 297.1% | volatile |
| 66 | Singapore | 15.2% | 2024 | up 1,202.5% | volatile |
| 67 | Micronesia (Federated States of) | 14.8% | 2024 | up 401.5% | volatile |
| 68 | Netherlands (Kingdom of the) | 14.1% | 2024 | up 16,651.1% | volatile |
| 69 | Palau | 13.6% | 2024 | up 8.8% | volatile |
| 70 | China | 12.7% | 2024 | up 1,670.2% | volatile |
| 71 | Bhutan | 12.4% | 2024 | up 264.3% | volatile |
| 72 | Montenegro | 12.2% | 2024 | up 69.5% | volatile |
| 73 | Liberia | 12.1% | 2024 | up 341.4% | volatile |
| 74 | Peru | 12.1% | 2024 | up 24.3% | volatile |
| 75 | Ecuador | 11.9% | 2024 | up 581.1% | volatile |
| 76 | Luxembourg | 11.7% | 2024 | up 537.9% | volatile |
| 77 | El Salvador | 11.4% | 2024 | up 89.9% | volatile |
| 78 | Canada | 11.2% | 2024 | up 8,942.3% | volatile |
| 79 | Micronesia | 10.8% | 2024 | up 428.0% | volatile |
| 80 | Congo | 10.6% | 2024 | up 685.6% | volatile |
| 81 | Denmark | 10.4% | 2024 | up 176.6% | volatile |
| 82 | Japan | 10.4% | 2024 | up 224.1% | volatile |
| 83 | Kenya | 10.3% | 2024 | up 1,304.1% | volatile |
| 84 | Ireland | 10.1% | 2024 | up 315.1% | volatile |
| 85 | Cameroon | 10.0% | 2024 | up 418.3% | volatile |
| 86 | Marshall Islands | 9.8% | 2024 | up 25,050.6% | volatile |
| 87 | Guam | 9.2% | 2024 | up 298.2% | volatile |
| 88 | United Kingdom | 9.2% | 2024 | up 314.9% | volatile |
| 88 | United Kingdom of Great Britain and Northern Ireland | 9.2% | 2024 | up 314.9% | volatile |
| 90 | France | 9.1% | 2024 | up 269.3% | volatile |
| 91 | Belarus | 8.3% | 2024 | down 69.2% | volatile |
| 92 | Philippines | 8.1% | 2024 | down 47.1% | volatile |
| 93 | Latvia | 7.8% | 2024 | down 73.4% | volatile |
| 94 | Albania | 7.6% | 2024 | down 28.8% | volatile |
| 95 | New Zealand | 7.3% | 2024 | down 9.5% | volatile |
| 96 | Melanesia | 7.2% | 2024 | down 5.5% | volatile |
| 97 | Papua New Guinea | 7.0% | 2024 | down 8.6% | volatile |
| 98 | India | 6.9% | 2024 | down 31.5% | volatile |
| 99 | Iraq | 6.8% | 2024 | up 391.6% | volatile |
| 100 | Nepal | 6.6% | 2024 | up 3.6% | volatile |
| 101 | Iceland | 6.2% | 2024 | up 252.1% | volatile |
| 102 | Guatemala | 6.2% | 2024 | down 62.0% | volatile |
| 103 | Malaysia | 6.1% | 2024 | down 36.6% | volatile |
| 104 | Germany | 5.9% | 2024 | up 157.0% | volatile |
| 105 | Syria | 5.7% | 2024 | down 11.9% | volatile |
| 105 | Syrian Arab Republic | 5.7% | 2024 | down 11.9% | volatile |
| 107 | Brazil | 5.7% | 2024 | down 9.0% | volatile |
| 108 | Åland Islands | 5.2% | 2024 | down 68.2% | volatile |
| 109 | Isle of Man | 5.1% | 2024 | up 244.0% | volatile |
| 110 | Norway | 5.1% | 2024 | up 241.4% | volatile |
| 111 | Sweden | 4.8% | 2024 | up 452.7% | volatile |
| 112 | Pakistan | 4.8% | 2024 | down 74.2% | volatile |
| 113 | Jamaica | 4.7% | 2024 | up 422.4% | volatile |
| 114 | Costa Rica | 4.4% | 2024 | down 21.3% | volatile |
| 115 | Ethiopia | 4.2% | 2024 | up 824.2% | volatile |
| 116 | Indonesia | 3.9% | 2024 | down 19.6% | volatile |
| 117 | Faroe Islands | 3.5% | 2024 | up 439.6% | volatile |
| 118 | Iran (Islamic Republic of) | 3.5% | 2024 | up 118.3% | volatile |
| 119 | Yemen | 3.4% | 2024 | up 110.0% | volatile |
| 120 | Sudan | 2.9% | 2024 | down 6.0% | volatile |
| 121 | Northern Mariana Islands | 2.6% | 2024 | down 18.1% | volatile |
| 122 | Chad | 2.4% | 2024 | down 81.1% | volatile |
| 123 | Brunei | 2.1% | 2024 | down 88.8% | volatile |
| 123 | Brunei Darussalam | 2.1% | 2024 | down 88.8% | volatile |
| 125 | Lebanon | 1.9% | 2024 | down 60.9% | volatile |
| 126 | Svalbard and Jan Mayen Islands | 1.6% | 2024 | down 32.3% | volatile |
| 127 | Russia | 0.9% | 2024 | up 110.3% | volatile |
| 127 | Russian Federation | 0.9% | 2024 | up 110.3% | volatile |
| 129 | Eritrea | 0.8% | 2024 | down 80.2% | volatile |
| 130 | Slovenia | 0.6% | 2024 | down 77.7% | volatile |
| 131 | Sri Lanka | 0.5% | 2024 | down 98.2% | volatile |
| 132 | Egypt | 0.4% | 2024 | down 83.5% | volatile |
| 133 | Liechtenstein | 0.2% | 2024 | down 86.8% | volatile |
| 134 | Israel | 0.2% | 2024 | down 98.6% | volatile |
| 135 | Kiribati | -0.6% | 2024 | up 94.0% | volatile |
| 136 | Estonia | -0.9% | 2024 | down 102.4% | volatile |
| 137 | Colombia | -1.0% | 2024 | down 136.7% | volatile |
| 138 | Portugal | -1.0% | 2024 | down 112.5% | volatile |
| 139 | Mexico | -1.1% | 2024 | down 105.4% | volatile |
| 140 | Lithuania | -1.2% | 2024 | down 122.1% | volatile |
| 141 | Austria | -2.1% | 2024 | down 156.3% | volatile |
| 142 | Poland | -2.2% | 2024 | down 119.9% | volatile |
| 143 | Czechia | -2.3% | 2024 | down 286.7% | volatile |
| 144 | Vietnam | -2.5% | 2024 | down 18.0% | volatile |
| 144 | Viet Nam | -2.5% | 2024 | down 18.0% | volatile |
| 146 | Ukraine | -2.6% | 2024 | down 115.0% | volatile |
| 147 | Switzerland | -3.2% | 2024 | down 1,550.6% | volatile |
| 148 | Bangladesh | -4.2% | 2024 | down 176.9% | volatile |
| 149 | Central African Republic | -4.7% | 2024 | down 367.2% | volatile |
| 150 | Cambodia | -4.7% | 2024 | down 1,557.1% | volatile |
| 151 | Malta | -5.2% | 2024 | down 116.3% | volatile |
| 152 | Grenada | -5.3% | 2024 | up 57.7% | volatile |
| 153 | Saint Pierre and Miquelon | -5.6% | 2024 | up 73.6% | volatile |
| 154 | Afghanistan | -6.0% | 2024 | down 166.0% | volatile |
| 155 | Croatia | -6.4% | 2024 | down 280.4% | volatile |
| 156 | Turkey | -6.5% | 2024 | down 181.6% | volatile |
| 156 | Türkiye | -6.5% | 2024 | down 181.6% | volatile |
| 158 | Bolivia (Plurinational State of) | -6.9% | 2024 | down 264.9% | volatile |
| 159 | Slovakia | -7.2% | 2024 | down 407.3% | volatile |
| 160 | Hungary | -8.1% | 2024 | down 385.0% | volatile |
| 161 | Panama | -8.7% | 2024 | down 221.3% | volatile |
| 162 | Chile | -8.8% | 2024 | down 25.9% | volatile |
| 163 | Saint Vincent and the Grenadines | -8.8% | 2024 | down 116.9% | volatile |
| 164 | Kyrgyzstan | -9.4% | 2024 | down 265.3% | volatile |
| 165 | Spain | -9.5% | 2024 | down 138.3% | volatile |
| 166 | Tajikistan | -9.6% | 2024 | down 258.3% | volatile |
| 167 | Oman | -10.3% | 2024 | down 107.9% | volatile |
| 168 | Belize | -10.9% | 2024 | down 185.9% | volatile |
| 169 | Kazakhstan | -11.0% | 2024 | up 0.9% | volatile |
| 170 | Bosnia and Herzegovina | -11.9% | 2024 | down 650.1% | volatile |
| 171 | Italy | -12.0% | 2024 | down 201.5% | volatile |
| 172 | Uruguay | -12.4% | 2024 | up 32.4% | volatile |
| 173 | Georgia | -12.4% | 2024 | down 2,466.6% | volatile |
| 174 | Djibouti | -12.5% | 2024 | down 23.2% | volatile |
| 175 | Jordan | -13.0% | 2024 | down 213.1% | volatile |
| 176 | Greece | -13.2% | 2024 | down 357.5% | volatile |
| 177 | Uzbekistan | -13.5% | 2024 | down 456.7% | volatile |
| 178 | Serbia | -13.5% | 2024 | down 1,201.5% | volatile |
| 179 | Turkmenistan | -13.8% | 2024 | down 308.5% | volatile |
| 180 | Venezuela (Bolivarian Republic of) | -14.3% | 2024 | down 306.6% | volatile |
| 181 | North Macedonia | -14.6% | 2024 | down 292.8% | volatile |
| 182 | Myanmar | -15.1% | 2024 | down 576.4% | volatile |
| 183 | Bulgaria | -16.1% | 2024 | down 924.7% | volatile |
| 184 | Romania | -16.2% | 2024 | down 842.8% | volatile |
| 185 | British Virgin Islands | -17.2% | 2024 | up 50.4% | volatile |
| 186 | Cuba | -17.9% | 2024 | up 11.8% | volatile |
| 187 | Azerbaijan | -18.6% | 2024 | down 552.5% | volatile |
| 188 | Armenia | -18.8% | 2024 | down 422.5% | volatile |
| 189 | Paraguay | -18.8% | 2024 | down 323.8% | volatile |
| 190 | Thailand | -19.4% | 2024 | down 3,612.3% | volatile |
| 191 | United States Virgin Islands | -19.4% | 2024 | down 6.9% | volatile |
| 192 | Moldova | -20.7% | 2024 | down 255.4% | volatile |
| 192 | Republic of Moldova | -20.7% | 2024 | down 255.4% | volatile |
| 194 | Madagascar | -20.8% | 2024 | down 117.4% | volatile |
| 195 | Cayman Islands | -20.8% | 2024 | up 51.7% | volatile |
| 196 | Andorra | -20.9% | 2024 | down 942.1% | volatile |
| 197 | Laos | -22.0% | 2024 | down 1,218.4% | volatile |
| 197 | Lao People's Democratic Republic | -22.0% | 2024 | down 1,218.4% | volatile |
| 199 | Argentina | -22.1% | 2024 | down 2,927.0% | volatile |
| 200 | Falkland Islands (Malvinas) | -22.2% | 2024 | down 3,584.9% | volatile |
| 201 | Puerto Rico | -23.1% | 2024 | down 448.9% | volatile |
| 202 | Saint Lucia | -26.6% | 2024 | down 126.6% | volatile |
| 203 | Comoros | -28.7% | 2024 | up 60.7% | volatile |
| 204 | Martinique | -30.1% | 2024 | down 173.7% | volatile |
| 205 | Saint Martin (French Part) | -36.3% | 2024 | down 220.8% | volatile |
| 205 | Sint Maarten (Dutch part) | -36.3% | 2024 | down 220.8% | volatile |
| 207 | Caribbean | -38.3% | 2024 | down 470.8% | volatile |
| 208 | Dominica | -38.3% | 2024 | down 153.7% | volatile |
| 209 | Antigua and Barbuda | -39.4% | 2024 | down 165.1% | volatile |
| 210 | Anguilla | -41.0% | 2024 | down 220.9% | volatile |
| 211 | San Marino | -43.1% | 2024 | down 529.0% | volatile |
| 212 | Saint Kitts and Nevis | -43.2% | 2024 | down 213.7% | volatile |
| 213 | Aruba | -43.5% | 2024 | down 167.4% | volatile |
| 214 | Guadeloupe | -46.4% | 2024 | down 197.7% | volatile |
| 215 | Curacao | -49.6% | 2024 | down 150.9% | volatile |
| 215 | Curaçao | -49.6% | 2024 | down 150.9% | volatile |
| 217 | Dominican Republic | -57.7% | 2024 | down 319.3% | volatile |
| 218 | Algeria | -63.5% | 2024 | down 1,938.2% | volatile |
| 219 | Bahrain | -66.1% | 2024 | up 19.9% | volatile |
| 220 | Haiti | -66.2% | 2024 | down 419.6% | volatile |
| 221 | Qatar | -67.5% | 2024 | down 199.9% | volatile |
| 222 | Mayotte | -72.9% | 2024 | down 1.5% | volatile |
| 223 | Tunisia | -73.1% | 2024 | down 374.7% | volatile |
| 224 | Morocco | -79.9% | 2024 | down 233.6% | volatile |
| 225 | Turks and Caicos Islands | -79.9% | 2024 | down 176.7% | volatile |
| 226 | Western Sahara | -89.8% | 2024 | down 73.5% | volatile |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.
- Southern Africa 79.4%
- Eastern Africa 30.0%
- Western Africa 28.1%
- China, Macao Special Administrative Region 26.7%
- China, Hong Kong Special Administrative Region 24.5%
- Sub-Saharan Africa 24.3%
- Africa 18.8%
- Middle Africa 18.3%
- United States of America 16.5%
- Small island developing States (SIDS) 15.9%
- Northern America 13.7%
- Eastern Asia 12.9%
- Oceania 12.5%
- Least Developed Countries (LDCs) 9.8%
- Northern Europe 8.4%
- Oceania (exc. Australia and New Zealand) 7.2%
- Western Europe 6.1%
- World 5.3%
- Europe and Northern America 4.9%
- Americas 4.5%
- Southern Asia 4.0%
- Central America 3.7%
- Landlocked developing countries (LLDCs) 3.3%
- Central and Southern Asia 1.9%
- Latin America and the Caribbean 1.9%
- South America 1.9%
- Northern Africa 1.8%
- Asia 1.7%
- Northern Africa and Western Asia 1.6%
- Eastern and South-Eastern Asia 1.6%
- Eastern Europe 0.2%
- Europe 0.2%
- Western Asia -0.0%
- Southern Europe -10.5%
- Central Asia -11.6%
- South-Eastern Asia -11.8%