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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