International River Basins of the World

TABLE 5: Percentage of a Country’s Area Within International River Basins
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Country/Territory
(area in sq. km.) 		International Basins   Total area of country/territory falling within international basins (sq. km.)   Percentage of country/territory area falling within international basins
Afghanistan

(641,869)

 Hari/Harirud, Helmand, Indus, Kowl-E-Namaksar, Murgab, Tarim   447,252   69.68
Albania

(28,755)

 Danube, Drin, Lake Prespa, Vijose   14,291   49.70
Algeria

(2,320,972)

 Daoura, Dra, Guir, Lake Chad, Medjerda, Niger, Oued Bon Naima, Tafna   358,230   15.43
Andorra

(452)

 Ebro, Garonne   452   100.00
Angola

(1,252,421)

 Chiloango, Congo/Zaire, Kunene, Okavango, Zambezi   849,457   67.83
Argentina

(2,781,013)

 Aviles, Aysen, Baker, Chico/Carmen Silva, Comau, Cullen, Gallegos-Chico, La Plata, Lake Fagnano, Palena, Pascua, Puelo, Rio Grande, San Martin, Seno Union/Serrano, Valdivia, Yelcho, Zapaleri   870,449   31.30
Armenia

(29,872)

 Kura-Araks   29,872   100.00
Austria

(83,739)

 Danube, Elbe, Po, Rhine   83,739   100.00
Azerbaijan

(85,808)

 Astara Chay, Kura-Araks, Samur, Sulak   60,357   70.34
Bangladesh

(138,507)

 Fenney, Ganges-Brahmaputra-Meghna, Karnafauli   135,569   97.88
Belgium

(30,480)

 Rhine, Schelde, Seine, Yser   21,895   71.83
Belize

(22,175)

 Belize, Hondo, Sarstun   8,743   39.43
Benin

(116,515)

 Mono, Niger, Oueme, Volta   110,829   95.12
Bhutan

(39,927)

 Ganges-Brahmaputra-Meghna   39,324   98.49
Bolivia

(1,090,353)

 Amazon, Cancoso/Lauca, La Plata, Lake Titicaca-Poopo, Zapaleri   1,043,143   95.67
Bosnia and Herzegovina

(51,403)

 Danube, Krka, Neretva   47,839   93.07
Botswana

(580,011)

 Limpopo, Okavango, Orange, Zambezi   580,011   100.00
Brazil

(8,507,128)

 Amazon, Chuy, Essequibo, La Plata, Lagoon Mirim, Maroni, Oyupock/Oiapoque   5,078,034   59.69
Brunei

(5,770)

 Bangau, Pandaruan   638   11.06
Bulgaria

(110,802)

 Danube, Maritsa, Nestos, Rezvaya, Struma, Velaka   95,106   85.83
Burkina Faso

(273,719)

 Komoe, Niger, Volta   273,719   100.00
Burundi

(27,254)

 Congo/Zaire, Nile   27,254   100.00
Byelarus

(206,681)

 Daugava, Dnieper, Narva, Neman, Vistula/Wista, Volga   197,800   95.70
Cambodia

(182,612)

 Mekong, Saigon/Song Nha Be, Song Vam Co Dong   164,797   90.24
Cameroon

(466,307)

 Akpa Yafi, Congo/Zaire, Cross, Lake Chad, Niger, Ntem, Ogooue   261,507   56.08
Canada

(9,904,700)

 Alesek, Chilkat, Columbia, Firth, Fraser, Mississippi, Nelson-Saskatchewan, St. Croix, St. John, St. Lawrence, Stikine, Taku, Whiting, Yukon   2,354,445   23.77
Central African Republic

(621,499)

 Congo/Zaire, Lake Chad   621,499   100.00
Chad

(1,168,002)

 Lake Chad, Niger   1,110,821   95.10
Chile

(742,298)

 Aviles, Aysen, Baker, Cancoso/Lauca, Chico/Carmen Silva, Comau, Cullen, Gallegos-Chico, Lake Fagnano, Lake Titicaca-Poopo, Palena, Pascua, Puelo, Rio Grande, San Martin, Seno Union/Serrano, Valdivia, Yelcho, Zapaleri   92,557   12.47
China

(9,338,902)

 Amur, Aral Sea, Beilun, Ganges-Brahmaputra-Meghna, Har Us Nur, Hsi/Bei Jiang, Ili/Kunes He, Indus, Irrawaddy, Mekong, Ob, Pu-Lun-To, Red/Song Hong, Salween, Sujfun, Tarim, Tumen, Yalu   3,018,678   32.32
Colombia

(1,141,962)

 Amazon, Catatumbo, Jurado, Mataje, Mira, Orinoco, Patia   749,595   65.64
Congo, Democratic Republic of the (Kinshasa)

(2,337,027)

 Chiloango, Congo/Zaire, Nile, Zambezi   2,337,027   100.00
Congo, Republic of the (Brazzaville)

(345,430)

 Chiloango, Congo/Zaire, Nyanga, Ogooue   276,097   79.93
Costa Rica

(51,608)

 Changuinola, Chiriqui, San Juan, Sixaola   14,829   28.73
Croatia

(56,288)

 Danube, Krka, Neretva   35,660   63.35
Czech Republic

(78,495)

 Danube, Elbe, Oder/Odra, Vistula/Wista   78,380   99.85
Djibouti

(21,638)

 Awash   11,088   51.24
Dominican Republic

(48,445)

 Artibonite, Massacre, Pedernales   2,660   5.49
Ecuador

(256,932)

 Amazon, Chira, Mataje, Mira, Patia, Tumbes-Poyango, Zarumilla   154,871   60.28
Egypt

(982,910)

 Jordan (Dead Sea), Nile   280,241   28.51
El Salvador

(20,697)

 Goascoran, Lempa, Paz   11,532   55.72
Equatorial Guinea

(27,085)

 Benito, Mbe, Ntem, Ogooue, Utamboni   21,769   80.37
Eritrea

(121,941)

 Baraka, Gash, Nile   63,046   51.70
Estonia

(45,545)

 Gauja, Narva, Parnu, Salaca   25,152   55.23
Ethiopia

(1,132,328)

 Awash, Gash, Juba-Shibeli, Lake Turkana, Lotagipi Swamp Nile   990,989   87.52
Finland

(333,797)

 Kemi, Naatamo, Olanga, Oulu, Pasvik, Tana, Torne/Tornealven, Tuloma, Vuoksa   168,686   50.54
France

(546,729)

 Ebro, Garonne, Po, Rhine, Rhone, Roia, Schelde, Seine, Yser   259,366   47.44
French Guiana

(83,811)

 Maroni, Oyupock/Oiapoque   40,907   48.81
Gabon

(261,689)

 Benito, Congo/Zaire, Mbe, Ntem, Nyanga, Ogooue, Utamboni   223,688   85.48
Gambia, The

(10,678)

 Gambia   5,890   55.16
Georgia

(69,943)

 Coruh, Kura-Araks, Sulak, Terek   39,335   56.24
Germany

(356,109)

 Danube, Elbe, Oder/Odra, Rhine   253,536   71.20
Ghana

(239,981)

 Bia, Komoe, Tano, Volta   189,579   79.00
Greece

(131,852)

 Lake Prespa, Maritsa, Nestos, Struma, Vardar, Vijose   24,750   18.77
Guatemala

(109,502)

 Belize, Candelaria, Coatan Achute, Grijalva, Hondo, Lempa, Motaqua, Paz, Sarstun, Suchiate   79,942   73.01
Guinea

(246,077)

 Cavally, Cestos, Corubal, Gambia, Geba, Great Scarcies, Little Scarcies, Loffa, Moa, Niger, Sassandra, Senegal, St. John, St. Paul   205,171   83.38
Guinea-Bissau

(33,635)

 Corubal, Geba   15,117   44.94
Guyana

(211,241)

 Amacuro, Amazon, Barima, Courantyne/Corantijn, Essequibo   159,682   75.59
Haiti

(27,157)

 Artibonite, Massacre, Pedernales   7,303   26.89
Honduras

(112,852)

 Choluteca, Coco/Segovia, Goascoran, Lempa, Motaqua, Negro   24,746   21.93
Hungary

(92,782)

 Danube   92,782   100.00
India

(3,089,282)

 Fenney, Ganges-Brahmaputra-Meghna, Indus, Irrawaddy, Kaladan, Karnafauli   1,367,871   44.28
Indonesia

(1,910,842)

 Fly, Merauke, Sembakung, Sepik, Tami   106,314   5.56
Iran

(1,624,760)

 Astara Chay, Atrak, Dasht, Hari/Harirud, Helmand, Kowl-E-Namaksar, Kura-Araks, Rudkhaneh-ye/BahuKalat, Tigris-Euphrates/Shatt al Arab   350,528   21.57
Iraq

(436,422)

 Tigris-Euphrates/Shatt al Arab   318,912   73.07
Ireland

(69,384)

 Bann, Castletown, Erne, Fane, Flurry, Foyle   3,403   4.90
Israel

(20,774)

 Jordan (Dead Sea), Wadi Al Izziyah   10,790   51.94
Italy

(300,980)

 Danube, Isonzo, Po, Rhine, Rhone, Roia   84,965   28.23
Ivory Coast

(322,216)

 Bia, Cavally, Cestos, Komoe, Niger, Sassandra, St. John, Tano, Volta   178,483   55.39
Jordan

(89,275)

 Jordan (Dead Sea), Tigris-Euphrates/Shatt al Arab   22,842   25.59
Kazakhstan

(2,715,976)

 Aral Sea, Ili/Kunes He, Ob, Oral (Ural), Pu-Lun-To, Tarim, Volga   1,739,057   64.03
Kenya

(584,429)

 Juba-Shibeli, Lake Natron, Lake Turkana, Lotagipi Swamp, Nile, Umba   396,722   67.88
Korea, Democratic People's Republic of

(122,473)

 Amur, Han, Tumen, Yalu   52,127   42.56
Korea, Republic of

(98,339)

 Han   25,104   25.53
Kyrgyzstan

(199,340)

 Aral Sea, Ili/Kunes He, Tarim   170,614   85.59
Laos, People's Democratic Republic of

(230,566)

 Ca/Song-Koi, Ma, Mekong, Red/Song Hong   221,662   96.14
Latvia

(64,299)

 Barta, Daugava, Gauja, Lielupe, Narva, Neman, Parnu, Salaca, Venta   59,840   93.07
Lebanon

(10,240)

 An Nahr Al Kabir, Asi/Orontes, Jordan (Dead Sea), Wadi Al Izziyah   2,913   28.45
Lesotho

(30,352)

 Orange   19,854   65.41
Liberia

(96,296)

 Cavally, Cestos, Loffa, Mana-Morro, Moa, St. John, St. Paul   68,932   71.58
Libya

(1,620,515)

 Lake Chad   4,580   0.28
Liechtenstein

(165)

 Rhine   165   100.00
Lithuania

(64,849)

 Barta, Daugava, Lielupe, Neman, Venta   62,616   96.56
Luxembourg

(2,594)

 Rhine, Seine   2,594   100.00
Macedonia

(25,321)

 Drin, Lake Prespa, Struma, Vardar   25,017   98.80
Malawi

(119,028)

 Congo/Zaire, Ruvuma, Zambezi   111,234   93.45
Malaysia

(330,270)

 Bangau, Golok, Pandaruan, Sembakung   8,458   2.56
Mali

(1,256,747)

 Komoe, Niger, Senegal, Volta   712,452   56.69
Mauritania

(1,041,570)

 Atui, Senegal   228,438   21.93
Mexico

(1,962,939)

 Candelaria, Coatan Achute, Colorado, Grijalva, Hondo, Rio Grande, Suchiate, Tijuana, Yaqui   408,513   20.81
Moldova

(33,567)

 Danube, Dniester, Kogilnik, Sarata   33,567   100.00
Mongolia

(1,559,176)

 Amur, Har Us Nur, Lake Ubsa-Nur, Pu-Lun-To, Yenisey/Jenisej   616,438   39.54
Morocco

(403,860)

 Daoura, Dra, Guir, Oued Bon Naima, Tafna   79,377   19.65
Mozambique

(788,629)

 Buzi, Incomati, Limpopo, Maputo, Ruvuma, Sabi, Umbeluzi, Zambezi   423,969   53.76
Myanmar (Burma)

(669,821)

 Ganges-Brahmaputra-Meghna, Irrawaddy, Kaladan, Mekong, Pakchan, Salween   528,413   78.89
Namibia

(825,632)

 Etosha-Cuvelai, Kunene, Okavango, Orange, Zambezi   563,706   68.28
Nepal

(147,293)

 Ganges-Brahmaputra-Meghna   147,293   100.00
Netherlands

(35,493)

 Rhine, Schelde   11,991   33.78
Nicaragua

(129,047)

 Choluteca, Coco/Segovia, Negro, San Juan   49,637   38.46
Niger

(1,186,021)

 Lake Chad, Niger   1,186,021   100.00
Nigeria

(912,039)

 Akpa, Cross, Lake Chad, Niger, Oueme   795,581   87.23
Norway

(316,962)

 Jacobs, Kemi, Klaralven, Naatamo, Pasvik, Tana, Torne/Tornealven   20,418   6.44
Pakistan

(877,753)

 Dasht, Helmand, Indus, Rudkhaneh-ye/BahuKalat, Tarim   649,238   73.97
Panama

(74,697)

 Changuinola, Chiriqui, Jurado, Sixaola   4,941   6.61
Papua New Guinea

(466,161)

 Fly, Merauke, Sepik, Tami   136,246   29.23
Paraguay

(400,089)

 La Plata   400,089   100.00
Peru

(1,296,912)

 Amazon, Chira, Lake Titicaca-Poopo, Tumbes-Poyango, Zarumilla   1,038,875   80.10
Poland

(310,715)

 Danube, Dniester, Elbe, Lava-Pregel, Neman, Oder/Odra, Prohladnaja, Vistula/Wista   281,897   90.73
Portugal

(92,098)

 Douro/Duero, Guadiana, Lima, Mino/Minho, Tagus/Tejo   44,898   48.75
Romania

(236,654)

 Danube   228,826   96.69
Russia

(16,851,940)

 Amur, Daugava, Dnieper, Don, Elancik, Har Us Nur, Jacobs, Kemi, Kura-Araks, Lake Ubsa-Nur, Lava-Pregel, Mius, Narva, Neman, Olanga, Ob, Oral (Ural), Oulu, Pasvik, Prohladnaja, Pu-Lun-To, Samur, Sujfun, Sulak, Terek, Tuloma, Tumen, Volga, Vuoksa, Yenisey/Jenisej   7,923,626   47.02
Rwanda

(25,228)

 Congo/Zaire, Nile   25,228   100.00
Saudi Arabia

(1,960,175)

 Tigris-Euphrates/Shatt al Arab   236   0.01
Senegal

(196,911)

 Gambia, Geba, Senegal   90,543   45.98
Sierra Leone

(72,531)

 Great Scarcies, Little Scarcies, Mana-Morro, Moa, Niger   27,693   38.18
Slovakia

(48,648)

 Danube, Oder/Odra, Vistula/Wista   48,648   100.00
Slovenia

(20,246)

 Danube, Isonzo   18,184   89.82
Somalia

(639,065)

 Awash, Juba-Shibeli   221,757   34.70
South Africa

(1,223,111)

 Incomati, Limpopo, Maputo, Orange, Umbeluzi   797,512   65.20
Spain

(505,674)

 Bidasoa, Douro/Duero, Ebro, Garonne, Guadiana, Lima, Mino/Minho, Tagus/Tejo   291,100   57.57
Sudan

(2,490,409)

 Baraka, Gash, Lake Chad, Lake Turkana, Lotagipi Swamp, Nile   2,064,458   82.90
Suriname

(145,498)

 Amazon, Courantyne/Corantijn, Maroni   73,952   50.83
Swaziland

(17,164)

 Incomati, Maputo, Umbeluzi   16,762   97.66
Sweden

(443,800)

 Klaralven, Torne/Tornealven   68,679   15.48
Switzerland

(41,178)

 Danube, Po, Rhine, Rhone   41,178   100.00
Syria

(187,937)

 An Nahr Al Kabir, Asi/Orontes, Jordan (Dead Sea), Nahr El Kebir, Tigris-Euphrates/Shatt al Arab   136,792   72.79
Tajikistan

(142,410)

 Aral Sea, Tarim   14,024   9.85
Tanzania, United Republic of

(944,977)

 Congo/Zaire, Lake Natron, Nile, Ruvuma, Umba, Zambezi   410,705   43.46
Thailand

(515,144)

 Golok, Mekong, Pakchan, Salween   205,847   39.96
Togo

(57,300)

 Mono, Oueme, Volta   48,653   84.91
Tunisia

(155,402)

 Medjerda   15,573   10.02
Turkey

(779,986)

 Asi/Orontes, Coruh, Kura-Araks, Maritsa, Nahr El Kebir, Rezvaya, Tigris-Euphrates/Shatt al Arab, Velaka   266,523   34.17
Turkmenistan

(471,429)

 Aral Sea, Atrak, Hari/Harirud, Murgab   52,956   11.23
Uganda

(243,050)

 Lake Turkana, Lotagipi Swamp, Nile   243,049   100.00
Ukraine

(596,041)

 Danube, Dnieper, Dniester, Don, Elancik, Kogilnik, Mius, Sarata, Vistula/Wista   451,715   75.79
United Kingdom

(243,137)

 Bann, Castletown, Erne, Fane, Flurry, Foyle   9,235   3.80
United States

(9,450,720)

 Alesek, Chilkat, Colorado, Columbia, Firth, Fraser, Mississippi, Nelson-Saskatchewan, Rio Grande, St. Croix, St. John, St. Lawrence, Stikine, Taku, Tijuana, Whiting, Yaqui, Yukon   5,895,293   62.38
Uruguay

(178,141)

 Chuy, La Plata, Lagoon Mirim   142,846   80.19
Uzbekistan

(445,711)

 Aral Sea   236,695   53.11
Venezuela

(916,561)

 Amacuro, Amazon, Barima, Catatumbo, Essequibo, Orinoco   698,462   76.20
Vietnam

(327,123)

 Beilun, Ca/Song-Koi, Hsi/Bei Jiang, Ma, Mekong, Red/Song Hong, Saigon/Song Nha Be, Song Vam Co Dong   193,152   59.05
West Bank

(5,816)

 Jordan (Dead Sea)   3,152   54.20
Western Sahara

(269,602)

 Atui   1,100   0.41
Yugoslavia (Serbia and Montenegro)

(101,945)

 Danube, Drin, Neretva, Struma, Vardar   99,950   98.04
Zambia

(754,773)

 Congo/Zaire, Zambezi   754,773   100.00
Zimbabwe

(390,804)

 Buzi, Limpopo, Okavango, Sabi, Zambezi   390,804   100.00
 

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