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

Energy-related carbon dioxide (CO2) emissions from fossil fuel combustion by type of fossil fuel in million metric tons and percentage share of total in 20211

United States

World

Amount

Share of total

Amount

Share of total

Total from fossil fuels

4,904

35,341

Coal and coal coke

1,002

20%

15,859

45%

Natural gas2

1,657

34%

7,951

22%

Petroleum

2,245

46%

11,531

33%

1 Data are as of December 15, 2022.
2 Excludes combustion from natural gas flaring.

Learn more:
Energy related CO2 emissions for the world and the United States
Energy related CO2 emissions for all countries
U.S. energy-related CO2 emissions
Energy Explained: Greenhouse gases

Last updated: December 15, 2022, with most recent data at the time of update.


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