Former president Nelson Mandela has been ranked as the world's most visible celebrity, according to a report released by the Reputation Institute.
Tennis star Roger Federer came second.
President Jacob Zuma came 35th on the institute's list, behind the likes of actress and UN goodwill ambassador Angelina Jolie (12th).
The Dalai Lama was ranked 13th, US President Barack Obama 14th, Facebook founder Mark Zuckerberg 20th, footballer David Beckham 24th, Pope Benedict 26th, Prince Albert of Monaco 28th and singer Madonna 29th.
Zuma beat WikiLeaks founder Julian Assange (37th), entertainer Lady Gaga (41st), Venezuela President Hugo Chavez (49th), George W Bush (50th) and Cuban leader Fidel Castro (51st).
More than 51000 people in 25 countries had been asked to assess the 54 personalities .
The institute said Mandela's life story had made him a symbol of the worldwide struggle against injustice and an inspiration to people the world over.
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