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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 2021

United States

World

Amount

Share of total

Amount

Share of total

Total from fossil fuels

4,903

35,463

Coal and coal coke

1,003

20%

15,966

45%

Natural gas2

1,655

34%

7,949

22%

Petroleum

2,245

46%

11,548

33%

Data source: International Energy Statistics, CO2 emissions for the world and the United States, November 2023.
Note: Natural gas emissions data include emissions from consumed natural gas and do not include CO2 emissions from flared natural gas or emissions from vented natural gas.

Learn more:
Energy-related CO2 emissions for all countries
U.S. CO2 emissions from energy consumption
Energy Explained: Greenhouse gases

Last updated: November 29, 2023, with data available at the time of update.


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