With a net worth of $16.1bn as of March 2013, the President, Dangote Group, Alhaji Aliko Dangote, has moved up in the latest world richest ranking to number 43 from 76 in 2012.
According to the list which was released on Monday by Forbes, Dangote and the Chairman of Globalom, Dr. Mike Adenuga were the only Nigerians on the list.
Dangote, 55, however, retained his position as the richest man in Africa and the richest among manufacturers in the world with a net worth of $16.1bn.
Adenuga, 59, on the other hand, ranked 269 on the list with a net worth of $4.7bn.
The world billionaires, list presented Carlos Slim Helu, a Mexican as the world richest man with a net worth of $73bn, while Bill Gates of United States came second with a net worth of the $67bn.
Others are Armancio Ortega of Spain ($57bn); Warren Buffet, United States ($53.5bn); and Larry Ellison of US with $43bn net worth, coming third, fourth and fifth, respectively.