The world is richer with a record number of 1,826 billionaires with an aggregate net worth of $7.05 trillion, up from $6.4 trillion a year ago, states Forbes magazine.
The world's wealthiest defied global economic turmoil and plunging oil prices to script new chapters in their businesses.
The total number of billionaires includes 290 newcomers, 71 of whom are from China.
Meet the world’s ten richest people from the world of business…
Bill Gates
Rank: 1
Net worth: $79.2 billion
Bill Gates continues to remain the the richest man in the world , according to the latest Forbes ranking of the world's billionaires.
Carlos Slim Helu
Rank: 2
Net worth: $77.1 billion
Known as the "Warren Buffett of Mexico", Carlos Slim has holdings in a number of Mexican companies through his conglomerate, Grupo Carso.
Warren Buffett
Rank: 3
Net worth: $72.7 billion
Founder: Berkshire Hathaway
One of the world's most successful investors, Warren Buffett is a famous philanthropist, having given away 99 percent of his fortune to philanthropic causes.
Amancio Ortega
Founder: Inditex SA (Zara fashion chain)
Rank: 4
Net worth: $64.5 billion
Larry Ellison
Co-founder: Oracle
Rank: 5
Net worth: $54.3 billion 
Charles Koch
Chairman & CEO, Koch Industries
David Koch
Executive Vice President, Koch Industries
Koch Brothers shares the 6th rank.
Rank: 6
Net worth of each: $42.9 billion
Christy Walton and her family
Christy Walton is widow of John T. Walton, one of the sons of Sam Walton, the founder of Wal-mart.
Rank: 8
Net worth: $41.7 billion
Photograph: Jacob Slaton/Reuters
Jim Walton
Rank: 9
Net worth: $40.6 billion
He is youngest son of Sam Walton, the founder of Wal-mart.
Liliane Bettencourt
Rank: 10
Net worth: $40.1 billion
Liliane Bettencourt is the heiress to the L'Oreal business empire.
