Based on a comparison of 139 countries in 2015, Brunei ranked the highest in fossil fuel consumption as a percentage of total with 100.0% followed by Qatar and Algeria. On the other end of the scale was Dem. Republic of the Congo with 5.36%, Ethiopia with 6.57% and Zambia with 10.6%.
Average fossil fuel consumption as a percentage of total reached 79.7% in 2015 in the World according to World Bank / EIA. This is 1.55 % less than in the previous year and -1.32 % less than 10 years ago.
Historically, average fossil fuel consumption as a percentage of total reached an all time high of 94.6% in 1969 and an all time low of 78.7% in 1987. The average annual growth amounted to -0.303 % since 1960.
Data for more countries are available at Fossil Fuel Consumption (As % of Total) indicator page.
| Fossil Fuel Consumption (As % of Total) | Unit | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 |
| Algeria | % | 99.8% | 99.8% | 99.8% | 99.9% | 99.9% | ||||||||||||||||
| Azerbaijan | % | 98.3% | 97.9% | 96.9% | 97.9% | 98.5% | ||||||||||||||||
| Bahrain | % | ... | ... | ... | 99.8% | 99.9% | 98.8% | ... | ||||||||||||||
| Brunei | % | ... | ... | ... | ... | ... | ... | ... | ... | 100.0% | ... | 100.0% | 100.0% | |||||||||
| Egypt | % | 96.2% | 96.4% | 97.2% | 96.8% | 96.8% | ||||||||||||||||
| Iran | % | 99.6% | 99.6% | 99.4% | 99.4% | 99.3% | ||||||||||||||||
| Kazakhstan | % | 98.9% | 99.1% | 98.8% | 98.9% | 98.9% | ||||||||||||||||
| Libya | % | 99.2% | 99.2% | 99.3% | 98.9% | 99.1% | ||||||||||||||||
| Malta | % | 99.9% | 99.9% | 99.7% | 99.2% | 99.0% | ||||||||||||||||
| Oman | % | ... | ... | 100.0% | 100.0% | 100.0% | 100% | ... | ||||||||||||||
| Qatar | % | ... | ... | ... | ... | 100.0% | 100% | ... | 100% | ... | ||||||||||||
| Saudi Arabia | % | 100.0% | 100.0% | 100.0% | 99.2% | 99.5% | ||||||||||||||||
| Syria | % | 98.9% | 99.3% | 99.1% | 98.7% | 98.1% | ||||||||||||||||
| Trinidad and Tobago | % | 99.9% | 99.9% | 99.9% | 99.9% | 99.9% | ||||||||||||||||
| Yemen | % | 98.7% | 98.6% | 98.3% | 98.4% | 98.2% | ... |
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