This statistic displays the leading countries based on their energy productivity index in 2015. During this year, Switzerland was ranked fourth based on their index score of 310 billions of euros of GDP per exajoule of energy consumed.
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Ecofys. (February 17, 2015). Leading countries based on energy productivity index worldwide in 2015 (in billions of euros of GDP per exajoule consumed) [Graph]. In Statista. Retrieved June 29, 2025, from https://www.statista.com/statistics/482656/worldwide-index-for-energy-productivity-key-countries/
Ecofys. "Leading countries based on energy productivity index worldwide in 2015 (in billions of euros of GDP per exajoule consumed)." Chart. February 17, 2015. Statista. Accessed June 29, 2025. https://www.statista.com/statistics/482656/worldwide-index-for-energy-productivity-key-countries/
Ecofys. (2015). Leading countries based on energy productivity index worldwide in 2015 (in billions of euros of GDP per exajoule consumed). Statista. Statista Inc.. Accessed: June 29, 2025. https://www.statista.com/statistics/482656/worldwide-index-for-energy-productivity-key-countries/
Ecofys. "Leading Countries Based on Energy Productivity Index Worldwide in 2015 (in Billions of Euros of Gdp per Exajoule Consumed)." Statista, Statista Inc., 17 Feb 2015, https://www.statista.com/statistics/482656/worldwide-index-for-energy-productivity-key-countries/
Ecofys, Leading countries based on energy productivity index worldwide in 2015 (in billions of euros of GDP per exajoule consumed) Statista, https://www.statista.com/statistics/482656/worldwide-index-for-energy-productivity-key-countries/ (last visited June 29, 2025)
Leading countries based on energy productivity index worldwide in 2015 (in billions of euros of GDP per exajoule consumed) [Graph], Ecofys, February 17, 2015. [Online]. Available: https://www.statista.com/statistics/482656/worldwide-index-for-energy-productivity-key-countries/
