Forbes magazine says Mexico's Carlos Slim remains the world's richest man for the fourth year in a row. He owns Mexico's phone system, Telecom Mexico.

And by the way, how many billionaires are there in the world? A record 1,426 people around the world made the Forbes latest annual tally of billionaires, up 16 percent from last year. Non of these 1,426 people go by my name.

Slim's net worth increased to $73 billion from $69 billion a year earlier. Another case of the rich keep getting richer.

Bill Gates of Microsoft Corp. held on to second place, but Berkshire Hathaway's Buffett slipped to the fourth spot with a $53.5 billion net worth. Buffett was surpassed by Spanish clothier Amancio Ortega, who jumped two spots from 2012 with a net worth of $57 billion.