On number one is from Mexico and his Source is Telecom and his Net Worth $74 billion his name isHelu. Telecom tycoon who pounced on privatization of Mexico’s national telephone company in the becomes world’s richest person for the second time after coming in third place in 2009. On number two is Bill Gates and we all know he is from US and his Source is Microsoft and his Net Worth $56 billion Microsoft mogul, futurist and America’s richest person has, with help from billionaire buddy , convinced nearly 60 of the world’s wealthiest to sign his “Giving Pledge,” promising to donate the majority of their wealth to charity either during their lifetime or after death. He is no longer the planet’s richest person, but that’s because he’s given away $30 billion to his foundation. The Gates Foundation, the world’s most influential charity, tackles tuberculosis and polio and funds famine-resistant crops to fight hunger. He is calling for a higher sense of urgency in AIDS vaccine development and also pushing for better tools to rate teacher performance. Gates holds 70% of his wealth in investment fund Cascade, dabbling in everything from autos to hedge funds to Mexican Coke bottler Femsa; the rest of his wealth is held in Microsoft stock. On number Three is Warren Buffett his Source is Berkshire Hathaway and he is from US his NetWorth is $50 billion. The venerable investor’s Berkshire Hathaway climbed more than 15% over the last year adding $3 billion to his fortune. The 80-year-old is still hunting big deals: “Our elephant gun has been reloaded, and my trigger finger is itchy. On number is he is from France his Source is LVMH and his NetWorth is $41 billion. The Lord of Luxe easily retains title of richest European. Fortune surged by $13.5 billion as shares of his luxury good outfit, LVMH, rose by more than half over the past year thanks to strong demand for luxuries like Dom Perignon champagne, Cognac Hennessy, Tag Heuer watches and accessories, particularly in Asian markets like Shanghai and City. The group acquired 20% of Hermes last year; Arnault insists he is a friendly shareholder but Hermes sees it as hostile. In March the Bulgari family transferred its majority holding in its brand to LVMH in exchange for LVMH shares and board seats. LVMH fired designer after he apparently made anti-semitic remarks. man also owns yacht builder Royal Van Lent, a hotel in Courchevel; has stakes in French retailer Carrefour and French tour operator Go Voyages. On number Five larrv Ellison he is from US his Source is Oracle and his Net Worth: $39.5 billion. The Oracle chief sits atop a fortune that is $11.5 billion bigger than last year thanks to a 30% jump in the software company’s shares. In November Oracle won a mud-slinging copyright infringement court battle against German software rival SAP worth $1.3 billion. SAP is contesting the outcome. Oracle has acquired 75 companies over the years worth $40 billion, and figured out a way to turn a profit on its latest big buy, Sun Microsystems, in 2010. One of the highest-paid executives in the U.S., Ellison reaped $960 million in compensation in the past five fiscal years, mostly from exercising stock options; he recently cut his salary to $1. An avid yachtsman, Ellison spent a decade and over $100 million on his quest for the America’s Cup, which he finally won in February 2010, beating Swiss rival (and billionaire) Ernesto Bertarelli. He is bringing the America’s Cup to San Francisco in 2013. Intends to give 95% of wealth to charity.