Argentina - Carlos and Alejandro Bulgheroni ...
Australia - Georgina Rinehart (battled for 14 years to win control of her father's assets from her stepmother)
Austria - Dietrich Mateschitz (Red Bull banned because of its contents in Iceland and Uruguay)
Belgium - Patokh Chodiev (Uzbekistan native)
Belize - Huang Maoru & family (operates one of China's largest department store chains ... brother of Huang Shih Tsai (Taiwan) ... Maoye has 37 department stores in 16 Chinese cities)
Brazil - Eike Batista (college dropout ... one-time champion offshore powerboat racer ... his father was former mining minister of Brazil ... formerly married to Playboy cover girl)
Canada - David Thomson & family (father, Kenneth Thomson, 82, died June 2006 ... split from Kelly Rowan, star of defunct TV show The O.C., April 2008 when she gave birth to a daughter)
Chile - Iris Fontbona & family (second wife of billionaire Andronico Luksic, who died of cancer in 2005)
China - Robin Li (wealth estimate includes shares held by wife, Melissa Ma)
Colombia - Luis Carlos Sarmiento (in association with Grameen Bank, will begin extending credit to micro-entrepreneurs)
Cyprus - John Fredriksen (born in Norway ... world's leading oil tanker tycoon ... runs empire from 30,000 square foot manse in London's Chelsea)
Czech Republic - Petr Kellner (in 1992, used a $1 million loan he got through his small office-supplies business to start an investment fund)
Denmark - Kjeld Kirk Kristiansen (grandson of the founder of Danish toymaker Lego; sole owner ... world's fourth-largest toymaker by sales)
Egypt - Nassef Sawiris (youngest son of Orascom conglomerate founder and fellow billionaire, Onsi Sawiris)
Finland - Antti Herlin ...
France - Bernard Arnault (richest European ... skilled pianist ... world's largest luxury goods empire)  
Georgia - Bidzina Ivanishvili ... wants to become Prime Minister of Georgia ... stripped of Georgian citizenship ... denied Russian citizenship ... only has French citizenship now
Germany - Karl Albrecht (fiercely private ... raises orchids and plays golf ... over 8,000 Aldi stores)
Greece - Spiro Latsis & family ...
Hong Kong - Li Ka-shing high school drop out ... Asia's most generous individual, has given out $1.56 billion to education and medical research ... world's largest operator of container terminals, world's largest health and beauty retailer)
India - Lakshmi Mittal (world's largest steelmaker)
Indonesia - Michael Hartono (brother of R. Budi Hartono) & R. Budi Hartono (brother of Michael Hartono)
Ireland - Pallonji Mistry (rarely ever seen in public; became Irish citizen in recent years but maintains a residence in Mumbai ... businesses are located in India)
Israel - Sir Sammy Ofer & family (Romanian-born Israeli ... famously press-shy ... in May 2006, paid $40 million for Van Gogh's "Madame Ginoux" ... awarded an honorary knighthood by Queen Elizabeth for his services to U.K. maritime heritage)
Italy - Michele Ferrero & family (real life Willie Wonka is one of Europe's richest and most secretive tycoons ... also Nutella and Tic Tac ... 18 factories, more than 21,000 employees worldwide)
Japan - Masayoshi Son ...
Kazakhstan - Vladmir Kim (former member of Kazakh President Nazarbayev's political council)
Kuwait - Nasser Al-Kharafi & family (has exclusive franchise rights in Middle East for brands like Pizza Hut, TGI Fridays, KFC and Wimpy)
Lebanon - Najib Mikati (former Lebanese Prime Minister - briefly in 2005) & Taha Mikati (brother of Najib Mikati) 
Malaysia - Robert Kuok (once known as the Sugar King of Asia)
Mexico - Carlos Slim Helu & family (2010 and 2011 World's richest man ... son of a Lebanese immigrant ... just call him Midas ... baseball fan and art collector)
Monaco - David Nahmad & family (megadealers of modern and impressionist art by the most well-known names, from Monet and Matisse to Renoir and Rothko ... a skilled backgammon player who bets hundreds of thousands on the game in Monte Carlo, David holds the 1996 world title ... among those holdings: 300 Picassos, worth some $900 million ... the family buys and sells most of their works at auction)
Morocco - Miloud Chaabi ... dubbed "the red capitalist"
Netherlands - Charlene de Carvalho-Heineken (in 2002 Inherited 25% stake in Dutch brewer, Heineken, from her late father, Freddy Heineken ... over 170 premium brands in more than 65 countries)
New Zealand - Graeme Hart (former tow truck driver now known for astute leveraged purchases ... owner of 190-foot yacht, Ulysses)
Nigeria - Aliko Dangote (closely linked to Nigeria's former president Olusegun Obasanjo)
Norway - Olav Thon (owns 425 properties in Norway and 25 abroad ... includes 61 shopping malls, hotels - 7,000 rooms)
Peru - Eduardo Hochschild ... kidnapped in 1998 by gunmen who killed his father during the attack, but released 6 days later
Philippines - Henry Sy & family (came to the Philippines as a child from China ... Philippines largest shopping mall developer with 39 malls)
Poland - Jan Kulczyk (owns a yacht, travels in his own plane)
Portugal - Americo Amorim (King of cork ... world's largest producer of cork)
Romania - Dinu Patriciu (onetime architect and former parliamentarian)
Russia - Vladimir Lisin (in 1992 he joined up with tough group of traders called Trans-World Group; they came to dominate Russia's aluminum and steel exports)
Saudi Arabia - Prince Alwaleed Bin Talal Alsaud (nephew f the Saudi king ... his palaces and real estate are worth more than $3 billion ... owns jewellery collection valued at $730 million, plus 4 airplanes, including an Airbus A380)
Singapore - Wee Cho Yaw & family (educated in China ... avid tennis player)
South Africa - Nicky Oppenheimer & family ...
South Korea - Lee Kun-Hee (paid $130 million in overdue taxes in 2008 after allegations of tax evasion, but got a presidential pardon later that year ... father of Jay Y. Lee ... second largest mobile phone manufacturer after Nokia)
Spain - Amancio Ortega (High School drop out ... shuns neckties ... 5,000 stores in 77 countries)
St.Kitts and Nevis - Jacky Xu ... Chinese-born ... lives in China
Sweden - Stefan Persson (acquired the village of Linkenholt in Hampshire, England in 2009 ... affordable fashion collections in 2,200 stores in over 32 countries)
Switzerland - Ernesto Bertarelli & family (inherited the business after father's death in 1998 ... yachtsman who won the America's Cup in 2003 and 2007 ... married to British beauty queen/singer ... released her debut album 'Elusive' in early 2010)
Taiwan - Cher Wang & Wenchi Chen (daughter of the late Taiwan billionaire Y.C. Wang)
Thailand - Dhanin Chearavanont & family (philanthropist restores Buddhist temples in Thailand, sponsors schools and orphanages ... wealth of his three brothers has been added to Dhanin's total worth)
Turkey - Mehmet Emin Karamehmet (sentenced in Feb, 2010, to 11 years and 8 months jail and fined $300 million dollars for embezzlement ... not in custody yet and has the right to appeal)
Ukraine - Rinat Akhmetov (son of a coal miner, made his first million trading coal and coke ... serves as parliamentary member representing Ukrainian President Viktor Yanukovych's party)
United Arab Emirates - Abdul Aziz Al Ghurair & family (paragliding enthusiast )
United Kingdom - Gerald Cavendish Grosvenor & family (6th Duke of Westminister ... supports more than 150 charities)
United States - William Gates III (was world's richest person for 14 of the past 18 years ... Harvard Uni drop out ... he's given away $28 billion to his Gates Foundation)
Venezuela - Gustavo Cisneros & family (Cisneros and his wife are familiar figures in high society, hobnobbing with former presidents like George H. W. Bush, designers and fellow billionaires)

Anacleto Angelini, Chile's (and South America's) richest man, died 28 August 2007, age 93. He was worth $6.0 billion.
Ng Teng Fong, Singapore's richest man, died Feb 2, 2010, age 82. He was worth $5.5 billion.