The World's Billionaires in 2015

	Rank	Name	Net Worth	Age	Source	Country of Citizenship
	#1	Bill Gates	$79.2 B	59	Microsoft	United States
	#2	Carlos Slim Helu	$77.1 B	75	telecom	Mexico
	#3	Warren Buffett	$72.7 B	84	Berkshire Hathaway	United States
	#4	Amancio Ortega	$64.5 B	79	Zara	Spain
	#5	Larry Ellison	$54.3 B	70	Oracle	United States
	#6	Charles Koch	$42.9 B	79	diversified	United States
	#6	David Koch	$42.9 B	75	diversified	United States
	#8	Christy Walton	$41.7 B	60	Wal-Mart	United States
	#9	Jim Walton	$40.6 B	67	Wal-Mart	United States
	#10	Liliane Bettencourt	$40.1 B	92	L'Oreal	France
	#11	Alice Walton	$39.4 B	65	Wal-Mart	United States
	#12	S. Robson Walton	$39.1 B	71	Wal-Mart	United States
	#13	Bernard Arnault	$37.2 B	66	LVMH	France
	#14	Michael Bloomberg	$35.5 B	73	Bloomberg LP	United States
	#15	Jeff Bezos	$34.8 B	51	Amazon.com	United States
	#16	Mark Zuckerberg	$33.4 B	31	Facebook	United States
	#17	Li Ka-shing	$33.3 B	87	diversified	Hong Kong
	#18	Sheldon Adelson	$31.4 B	81	casinos	United States
	#19	Larry Page	$29.7 B	42	Google	United States
	#20	Sergey Brin	$29.2 B	41	Google	United States
	#21	Georg Schaeffler	$26.9 B	50	ball bearings	Germany
	#22	Forrest Mars, Jr.	$26.6 B	83	candy	United States
	#22	Jacqueline Mars	$26.6 B	75	candy	United States
	#22	John Mars	$26.6 B	79	candy	United States
	#25	David Thomson	$25.5 B	58	media	Canada
	#26	Jorge Paulo Lemann	$25 B	75	beer	Brazil
	#27	Lee Shau Kee	$24.8 B	87	real estate	Hong Kong
	#28	Stefan Persson	$24.5 B	67	H&M	Sweden
	#29	George Soros	$24.2 B	84	hedge funds	United States
	#29	Wang Jianlin	$24.2 B	60	real estate	China
	#31	Carl Icahn	$23.5 B	79	investments	United States
	#32	Maria Franca Fissolo	$23.4 B	97	Nutella, chocolates	Italy
	#33	Jack Ma	$22.7 B	50	e-commerce	China
	#34	Prince Alwaleed Bin Talal Alsaud	$22.6 B	60	investments	Saudi Arabia
	#35	Steve Ballmer	$21.5 B	59	Microsoft	United States
	#35	Phil Knight	$21.5 B	77	Nike	United States
	#37	Beate Heister & Karl Albrecht Jr.	$21.3 B	-	supermarkets	Germany
	#38	Li Hejun	$21.1 B	47	solar power equipment	China
	#39	Mukesh Ambani	$21 B	58	petrochemicals, oil & gas	India
	#40	Leonardo Del Vecchio	$20.4 B	80	eyeglasses	Italy
	#41	Len Blavatnik	$20.2 B	58	diversified	United States
	#41	Tadashi Yanai	$20.2 B	66	retail	Japan
	#43	Charles Ergen	$20.1 B	62	Dish Network	United States
	#44	Dilip Shanghvi	$20 B	59	pharmaceuticals	India
	#45	Laurene Powell Jobs	$19.5 B	51	Apple, Disney	United States
	#46	Dieter Schwarz	$19.4 B	75	retail	Germany
	#47	Michael Dell	$19.2 B	50	Dell	United States
	#48	Azim Premji	$19.1 B	69	software	India
	#49	Theo Albrecht, Jr.	$19 B	64	Aldi, Trader Joe's	Germany
	#50	Michael Otto	$18.1 B	72	retail, real estate	Germany