Table 6. Water resources of selected major rivers of the world
 

River	continent	Area, th.km2	Length, km	Period of measurement	Water resources, km3			Cv
					average	min	max
Amazon	S. America	6915	6280	1920-1985	6923	5790	8510	0.08
Gangas	Asia	1730	3000	1921-1985	1386	1212	1686	0.03
Congo	Africa	3680	4370	1920-1985	1320	1051	1775	0.10
Orinoco	S. America	1000	2740	1924-1992	1007	710	1380	0.15
Yangtze	Asia	1800	5520	1921-1985	1006	698	1401	0.14
La Plata	S. America	3100	4700	1904-1985	811	450	1860	0.26
Yenisei	Asia	2580	3490	1930-1985	618	454	730	0.08
Lena	Asia	2490	4400	1930-1987	539	412	649	0.11
Mississippi	N. America	2980	6420	1914-1988	510	280	877	0.23
Mekong	Asia	810	4500	1921-1985	505	374	610	0.12
Chutsyan	Asia	437	2130	1921-1985	430	197	612	0.17
Ob	Asia	2990	3650	1936-1995	404	275	589	0.15
Amur	Asia	1855	2820	1921-1993	360	215	540	0.20
Mackenzie	N. America	1790	5472	1948-1988	325	172	420	0.12
St.Lawrence	N. America	1030	3060	1877-1990	318	240	402	0.10
Niger	Africa	2090	4160	1920-1985	302	163	482	0.26
Volga	Europe	1380	3350	1882-1997	255	144	391	0.19
Columbia	N. America	668	1950	1878-1989	236	143	329	0.18
Magdalena	S. America	260	1530	1904-1990	226	170	304	0.08
Indus	Asia	960	3180	1921-1985	226	126	359	0.20
Danube	Europe	817	2860	1921-1988	225	140	327	0.18
Essequibo	S. America	155	970	1917-1985	203	82.8	282	0.15
Yukon	N. America	850	3000	1945-1988	196	83.5	325	0.25
Nile	Africa	2870	6670	1920-1985	161	94.8	248	0.15
Ogowe	Africa	210	850	1921-1985	159	102	209	0.15
Zambezi	Africa	1330	2660	1921-1985	154	80.9	257	0.19
Pechora	Europe	322	1810	1921-1987	137	100	181	0.12
Kolyma	Asia	647	2130	1930-1995	119	70.2	192	0.23
Fraser	N. America	233	1370	1912-1984	114	81.6	155	0.13
Sao-Francisko	S. America	623	2800	1929-1985	104	49.2	178	0.27
Godavari	Asia	314	1500	1921-1985	104	42.3	220	0.28
N.Dvina	Europe	357	744	1921-1987	102	56.0	145	0.18
Atrato	S. America	32.2	644	1921-1985	78.8	43.2	116	0.13
Neva	Europe	281	74	1921-1985	78.1	43.0	117	0.17
San Juan	S. America	21.5	430	1921-1985	70.7	37.7	97.6	0.14
Hwang Ho	Asia	745	4670	1921-1985	66.5	13.6	147	0.37
Rhone	Europe	99	810	1921-1986	65.1	27.0	93.0	0.21
Sanaga	Africa	135	860	1921-1985	64.4	29.4	99.0	0.15
Indigirka	Asia	360	1726	1930-1987	55.0	35.2	89.2	0.20
Krishna	Asia	256	1290	1921-1985	54.0	20.4	107	0.30
Dnepr	Europe	504	2200	1900-1986	53.2	21.0	92.0	0.27
Narmada	Asia	102	1300	1921-1985	46.8	14.9	85.9	0.31
Ebro	Europe	86.8	930	1921-1986	44.8	21.0	78.0	0.28
Volta	Africa	394	1600	1921-1985	38.5	1.36	94.5	0.51
Bio-Bio	S. America	24.3	380	1921-1985	38.4	15.8	82.8	0.27
Chari	Africa	880	1400	1921-1990	35.9	7.81	58.5	0.32
Elbe	Europe	148	1110	1921-1986	34.7	23.0	47.0	0.16
Parnaiba	S. America	325	1450	1928-1985	34.6	26.2	46.2	0.14
Loire	Europe	120	1110	1921-1986	33.7	11.0	56.0	0.31
Yana	Asia	238	872	1928-1988	30.9	13.4	48.2	0.23
Paraiba	S. America	59	800	1921-1985	28.9	13.0	50.0	0.32
Murray	Australia	3520	3490	1877-1988	24.2	1.20	129	0.73