Forbes, an American bi-weekly based business magazine, published their latest annual survey of those people whose decision possess the economic and political clout to effect global change. Power is not means about money but a great influence for people which help to change the world in a different way. Since 2009, Forbes has compiled an annual list of the world's most powerful people. The list has single slot based on every 100 million people on Earth. Slots are allocated based on the amount of human and financial resources that they have sway over, as well as their influence on world events. Here are the top 10 most powerful people in the world.