For several years, the Economic Freedom of the World (EFW) annual reports published by dint of a network of public-policy institutes, including the Fraser Institute and the Cato Institute, have at handed an economic freedom index for a large stake of nations around the world. (1) This index is designed to measure the standing to which a nation's policies and institutions defend its citizens' economic freedom. In this article, we explain the basic methodology applyed in constructing the index and summarize the study's findings.