River Length (km) Length (miles) Drainage area (km²) Average discharge (m³/s) Outflow Countries in the drainage basin  
1 Nile Mediterranean Sea Sudan, Ethiopia, Egypt, Uganda, Tanzania, Kenya, Rwanda, Burundi, Eritrea, Democratic Republic of the Congo  
2 Amazon Atlantic Ocean Brazil, Peru, Bolivia, Colombia, Ecuador, Venezuela  
     
3 Yangtze East China Sea P.R. China  
  (Chang Jiang)    
4 Mississippi - Missouri Gulf of Mexico United States (98.5%), Canada (1.5%)  
5 Yenisei - Angara - Selenga Kara Sea Russia, Mongolia  
     
6 Ob' - Irtysh Gulf of Ob Russia, Kazakhstan, P.R. China  
7 Huang He Bohai Sea P.R. China  
  (Yellow) (Balhae)    
8 Amur Sea of Okhotsk Russia, PR China, Mongolia  
  (Heilong)    
9 Congo Atlantic Ocean Democratic Republic of the Congo, Central African Republic, Angola, Republic of the Congo, Tanzania, Cameroon, Zambia, Burundi, Rwanda  
  (Zaire)    
10 Lena Laptev Sea Russia  
     
11 Mackenzie - Peace - Finlay Beaufort Sea Canada  
     
12 Niger Gulf of Guinea Nigeria (26.6%), Mali (25.6%), Niger (23.6%), Algeria (7.6%), Guinea (4.5%), Cameroon (4.2%), Burkina Faso (3.9%), Côte d'Ivoire, Benin, Chad  
     
13 Mekong South China Sea Laos, Thailand, P.R. China, Cambodia, Vietnam, Myanmar  
14 Paraná Atlantic Ocean Brazil (46.7%), Argentina (27.7%), Paraguay (13.5%), Bolivia (8.3%), Uruguay (3.8%)  
  ( Río de la Plata)    
15 Murray - Darling Southern Ocean Australia  
     
16 Volga Caspian Sea Russia (99.8%), Kazakhstan (minor), Belarus (minor)  
17 Shatt al-Arab / Arvandrud - Euphrates Persian Gulf Iraq (40.5%), Turkey (24.8%), Iran (19.7%), Syria (14.7%)  
     
18 Purus Amazon Brazil, Peru  
19 Madeira - Mamoré Amazon Brazil, Bolivia, Peru  
20 Yukon Bering Sea USA (59.8%), Canada (40.2%)  
21 Indus Arabian Sea Pakistan, India, PR China, disputed territory (Kashmir), Afghanistan (6.3%)  
  (Sindhu)    
22 São Francisco Atlantic Ocean Brazil  
     
23 Syr Darya Aral Sea Kazakhstan, Kyrgyzstan, Uzbekistan, Tajikistan  
24 Salween Andaman Sea P.R. China (52.4%), Myanmar (43.9%), Thailand (3.7%)  
  (Salwin) (Nù Jiāng)    
25 Saint Lawrence - Niagara- Detroit- Saint Clair- Saint Marys- Saint Louis Gulf of Saint Lawrence Canada (52.1%), USA (47.9%)  
26 Rio Grande Gulf of Mexico USA (52.1%), Mexico (47.9%)  
     
27 Lower Tunguska Yenisei Russia  
28 Brahmaputra Bay of Bengal India (58.0%), P.R. China (19.7%), Nepal (9.0%), Bangladesh (6.6%), Disputed India/P.R. China (4.2%), Bhutan (2.4%)  
29 Danube Black Sea Romania (28.9%), Hungary (11.7%), Austria (10.3%), Serbia (10.3%), Germany (7.5%), Slovakia (5.8%), Bulgaria (5.2%), Bosnia and Herzegovina (4.8%), Croatia (4.5%), Ukraine (3.8%), Czech Republic (2.6%), Slovenia (2.2%), Moldova (1.7%), Switzerland (0.32%), Italy (0.15%), Poland (0.09%), Albania (0.03%)  
30 Tocantins Atlantic Ocean, Amazon Brazil  
31 Zambezi Mozambique Channel Zambia (41.6%), Angola (18.4%), Zimbabwe (15.6%), Mozambique (11.8%), Malawi (8.0%), Tanzania (2.0%), Namibia, Botswana  
  (Zambesi)    
32 Vilyuy Lena Russia  
33 Araguaia Tocantins Brazil  
34 Amu Darya Aral Sea Uzbekistan, Turkmenistan, Tajikistan, Afghanistan  
35 Japurá Amazon Brazil, Colombia  
  (Rio Yapurá)    
36 Nelson - Saskatchewan Hudson Bay Canada, USA  
37 Paraguay Paraná Brazil, Paraguay, Bolivia, Argentina  
  (Rio Paraguay)    
38 Kolyma East Siberian Sea Russia  
39 Ganges Brahmaputra, Bay of Bengal India, Bangladesh, Nepal  
40 Pilcomayo Paraguay Paraguay, Argentina, Bolivia  
41 Upper Ob Ob Russia  
42 Ishim Irtysh Kazakhstan, Russia  
42 Juruá Amazon Peru, Brazil  
43 Ural Caspian Sea Russia, Kazakhstan  
44 Arkansas Mississippi United States  
     
45 Ubangi - Uele Congo Democratic Republic of the Congo, Central African Republic  
46 Olenyok Laptev Sea Russia  
47 Dnieper Black Sea Russia, Belarus, Ukraine  
48 Aldan Lena Russia  
49 Negro Amazon Brazil, Venezuela, Colombia  
50 Columbia Pacific Ocean United States, Canada  
51 Colorado Gulf of California United States, Mexico  
52 Pearl - Xi Jiang South China Sea P.R. China (98.5%), Vietnam (1.5%)  
  (West) (Si Kang)    
53 Red Mississippi United States  
54 Ayeyarwady River Andaman Sea Myanmar  
55 Kasai Congo Angola, Democratic Republic of the Congo  
56 Ohio - Allegheny Mississippi United States  
57 Orinoco Atlantic Ocean Venezuela, Colombia  
58 Tarim Lop Nur People's Republic of China  
59 Xingu Amazon Brazil  
60 Orange Atlantic Ocean South Africa, Namibia, Botswana, Lesotho  
61 Northern Salado Paraná Argentina  
62 Vitim Lena Russia  
63 Tigris Shatt al-Arab Turkey, Iraq, Syria, Iran  
64 Songhua Amur People's Republic of China  
65 Tapajós Amazon Brazil  
66 Don Sea of Azov Russia  
67 Stony Tunguska Yenisei Russia  
68 Pechora Barents Sea Russia  
69 Kama Volga Russia  
70 Limpopo Indian Ocean Mozambique, Zimbabwe, South Africa, Botswana  
71 Guaporé Mamoré Brazil, Bolivia  
72 Indigirka East Siberian Sea Russia  
73 Snake Columbia United States  
74 Senegal Atlantic Ocean Senegal, Mali, Mauritania  
75 Uruguay Atlantic Ocean Uruguay, Argentina, Brazil  
76 Blue Nile Nile Ethiopia, Sudan  
76 Churchill Hudson Bay Canada  
76 Khatanga Laptev Sea Russia  
76 Okavango Okavango Delta Namibia, Angola, Botswana  
76 Volta Gulf of Guinea Ghana, Burkina Faso, Togo, Côte d'Ivoire, Benin  
81 Beni Madeira Bolivia  
82 Platte Missouri United States  
83 Tobol Irtysh Kazakhstan, Russia  
84 Jubba - Shebelle Indian Ocean Ethiopia, Somalia  
85 Içá Amazon Brazil, Peru, Colombia, Ecuador  
  (Putumayo)    
85 Magdalena Caribbean Sea Colombia  
87 Han Yangtze People's Republic of China  
88 Lomami Congo Democratic Republic of the Congo  
88 Oka Volga Russia  
90 Pecos Rio Grande United States  
91 Upper Yenisei Yenisei Russia, Mongolia  
92 Godavari Bay of Bengal India  
93 Colorado Gulf of Mexico United States  
94 Río Grande (Guapay) Ichilo Bolivia  
95 Belaya Kama Russia  
96 Cooper - Barcoo Lake Eyre Australia  
97 Marañón Amazon Peru  
98 Dniester Black Sea Ukraine, Moldova  
99 Benue Niger Cameroon, Nigeria  
99 Ili Lake Balkhash People's Republic of China, Kazakhstan  
99 Warburton - Georgina Lake Eyre Australia  
102 Yamuna Ganges India  
103 Sutlej Chenab India, Pakistan  
103 Vyatka Kama Russia  
105 Fraser Pacific Ocean Canada  
106 Kura Caspian Sea Azerbaijan, Georgia, Armenia, Turkey, Iran  
107 Grande Paraná Brazil  
108 Brazos Gulf of Mexico United States  
109 Liao Bohai Sea People's Republic of China  
110 Yalong Yangtze People's Republic of China  
111 Iguaçu Paraná Brazil, Argentina  
111 Olyokma Lena Russia  
111 Rhine North Sea Germany, France, Switzerland, Netherlands, Austria, Luxembourg, Liechtenstein, Italy  
114 Krishna Bay of Bengal India  
114 Iriri Xingu Brazil  
116 Narmada Arabian Sea India  
117 Ottawa Saint Lawrence Canada  
118 Zeya Amur Russia  
119 Juruena Tapajós Brazil  
120 Upper Mississippi Mississippi United States  
121 Athabasca Mackenzie Canada  
122 Canadian Arkansas United States  
123 North Saskatchewan Saskatchewan Canada  
124 Vaal Orange South Africa  
125 Shire Zambezi Mozambique, Malawi  
126 Nen Songhua People's Republic of China  
  (Nonni)    
127 Green Colorado United States  
128 Milk Missouri United States, Canada  
129 Elbe North Sea Germany, Czech Republic  
130 Chindwin Ayeyarwady Myanmar  
131 James Missouri United States  
131 Kapuas South China Sea Indonesia, Malaysia  
133 Helmand Hamun-i-Helmand Afghanistan, Iran  
133 Madre de Dios Madeira Peru, Bolivia
133 Tietê Paraná Brazil  
133 Vychegda Northern Dvina Russia  
137 Sepik Pacific Ocean Papua New Guinea, Indonesia  
138 Cimarron Arkansas United States  
139 Anadyr Gulf of Anadyr Russia  
140 Liard Mackenzie Canada  
141 White Mississippi United States  
142 Huallaga Marañón Peru  
143 Gambia Atlantic Ocean The Gambia, Senegal, Guinea  
144 Chenab Indus India, Pakistan  
145 Yellowstone Missouri United States  
146 Donets Don Ukraine, Russia  
147 Bermejo Paraguay Argentina, Bolivia  
147 Fly Gulf of Papua Papua New Guinea, Indonesia  
147 Guaviare Orinoco Colombia  
147 Kuskokwim Bering Sea United States  
151 Tennessee Ohio United States  
152 Daugava Gulf of Riga Latvia, Belarus, Russia  
153 Gila Colorado United States  
154 Vistula Baltic Sea Poland  
155 Loire Atlantic Ocean France  
156 Essequibo Atlantic Ocean Guyana  
156 Khoper Don Russia  
158 Tagus Atlantic Ocean Spain, Portugal  
159 Colorado Atlantic Ocean Argentina  
    cu meters / sec https://www.cs.mcgill.ca/~rwest/wikispeedia/wpcd/wp/l/List_of_rivers_by_length.htm  
          liters per second Source  
    WORLD DATA   liters per day    
          potential people served / day  
    Enter desired liters per day here> Liters per day per person will range from 20 to 135   
          times pop of earth / day Rivers of the world .xlsx  
                 
                 
    NOTE: The liters per day value is in addition to what is already alloted per person at this time  
                 
          AFRICAN DATA COLUMN  "A"  BLUE BOXES ARE AFRICAN RIVERS  
          cu meters / second  
          Liters / second    
          Liters / day    
          potential people served day  
          1,400,000,000 current population https://www.worldometers.info/world-population/africa-population/  
  Enter desired liters per day in green box to right Enter desired liters per day per person in Africa    
                 
          NOTE: THE DATA AND CALCULATIONS ARE BASED UPON AVAILABLE DATA. SOME RIVERS DO NOT  
          HAVE DATA FOR DISCHARGE AND THEREFORE ARE NOT IN THE TOTAL DISCHARGE. THIS MEANS   
          THAT THE CALCULATED CU. METERS PER SECOND IS LOW FOR THE AFRICAN CONTINENT. THAT   
          WOULD LEAD TO THE ACTUAL LITERS PER PERSON PER DAY IS ACTUALLY HIGHER THAN SHOWN.