2010 National Power Index
The National Power Index (NPI) is an attempt to quantify a nation’s power, i.e. its capacity to influence events and outcomes across the globe. It is a composite of five sub-indexes, each describing one of the elements which objectively contribute to a nation’s power: economy, military, diplomacy, technology and popularity.
(click to enlarge)
Due to its debatable nature, the European Union does not appear in the list. The version including the European Union is added here:
Please note that as the European Union does not yet have a common foreign policy, the concept of European power remains largely theoretical.