According to online polls world economy is $14 Trillion ponzi because 80% people say more than 20% of world economy is ponzi. There is little bit of ponzi in everybody's life. World economy is $70 Trillion every year. What Percentage of World Economy is Ponzi? Please vote. In Ponzi scheme, new members/investors are paid from old members/investors money but there is no real business to support payments to members.