Statistics for Biggest Cities - the World's Longest Rivers

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River	Length	Population	City	% Correct
Nile	6,650	19,372,000	Cairo	100%
Yangtze	6,300	22,120,000	Shanghai	94%
Congo	4,700	13,528,000	Kinshasa	84%
Rio de la Plata	4,880	16,157,000	Buenos Aires	81%
Amazon	6,575	2,235,000	Manaus	81%
Mississippi	6,275	1,078,000	Memphis	49%
Mekong	4,350	2,177,000	Phnom Penh	44%
Ob	5,410	1,646,000	Novosibirsk	43%
Niger	4,200	3,637,000	Bamako	40%
Volga	3,645	1,541,000	Nizhny Novgorod	35%
Lena	4,400	311,760	Yakutsk	28%
Yenisei	5,539	1,022,000	Krasnoyarsk	21%
Indus	3,610	2,159,000	Hyderabad	19%
Amur	4,444	605,000	Khabarovsk	16%
Yellow	5,464	6,765,000	Zhengzhou	15%
Murray	3,672	49,172	Albury	7%
Mackenzie	4,241	3,243	Inuvik	7%
Euphrates	3,596	300,000	Raqqa	4%
Brahmaputra	3,848	1,175,000	Guwahati	3%
Madeira	3,380	510,000	Porto Velho	3%