Microsoft chief software architect Bill Gates is still the world’s richest man, according to Forbes’ list of billionaires, with a $50bn (£29bn) fortune.
This wedge grew by $3.5bn last year, said Forbes.
Gates’ closest technology rival in the list is fellow Microsoft founder Paul Allen, who moved up the list from number seven to number six, with a $22bn stack.
Gates’ next nearest rival in the technology fortune stakes is Dell chairman Michael Dell, who had a $17.1bn fortune in 2005, and who climbed up the list from number 18 to 12.
Oracle chief executive Larry Ellison is at number 15 with $16bn, and Google double act Sergey Brin and Larry Page are 26 and 27 respectively, on $12.9bn and $12.8bn.
NR Narayana Murthy, co-founder of Indian outsourcer Infosys, is number 645 with $1.2bn billion.
Forbes' complete list of billionaires can be found at: