The Global Infrastructure Investment Index ranks the world s 41 most dynamic countries with the greatest potential for growth and investment in their economic infrastructure. The index ranks countries according to their attractiveness over a long-term time frame (five years plus) and uses 24 indicators across five key categories. Economic strength, business environment, risk, infrastructure opportunity and financial environment form the key variables. Most weighting goes to indicators of dynamism but the overall blend creates the final ranking. Publication Date: 2016