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Frequently Asked Questions

What are the energy-related carbon dioxide emissions from fossil fuels for the United States and the world?

Energy-related carbon dioxide (CO2) emissions by type of fossil fuel in billion metric tons and share of total in 2016:

 United StatesWorld
 AmountShare of totalAmountShare of total
Total from fossil fuels5.24 35.27 
Coal1.3626%15.4644%
Natural gas11.5129%  7.0420%
Petroleum2.3745%12.7736%

1Includes combustion and flaring of natural gas.

Learn more:
International Energy Statistics, CO2 emissions for the United States
International Energy Statistics, CO2 emissions for the World

Last updated: February 6, 2019


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