GDP per unit of energy - Country rankings:
The average for 2014 was 10.14 GDP per kg of oil equivalent.The highest value was in Hong Kong: 28.22 GDP per kg of oil equivalent and the lowest value was in Democratic Republic of the Congo: 2.12 GDP per kg of oil equivalent. Below is a chart for all countries where data are available for: GDP per unit of energy.
Definition: GDP per unit of energy use is the PPP GDP per kilogram of oil equivalent of energy use. PPP GDP is gross domestic product converted to 2011 constant international dollars using purchasing power parity rates. An international dollar has the same purchasing power over GDP as a U.S. dollar has in the United States.