مؤشر الحرية الاقتصادية
The 2006 State of World Liberty Index was created by combining the rankings of four other indexes of world liberty into one: the "2005 Economic Freedom of the World" Index (Fraser Institute), the "2006 Index of Economic Freedom" (The Heritage Foundation), the "2005 Freedom in the World" index (Freedom House), and the "2005 Press Freedom Index" (Reporters Without Borders).