This infographic shows the top 50 richest billionaires in the world. Most of them are from US. [caption id="attachment_1679" align="alignleft" width="300"]<a href="http://business-matter.com/wp-content/uploads/2013/11/list-of-billionaires-in-the-world.jpg"><img class="size-medium wp-image-1679" alt="list of the billionaires in the world" src="http://business-matter.com/wp-content/uploads/2013/11/list-of-billionaires-in-the-world-300x220.jpg" width="300" height="220" /></a> world richest billionaires and the source of income[/caption]