The United States contributed roughly 17 percent of global warming from 1850 to 2021. By contrast, India contributed five percent of warming during this period, despite the country having a far larger population than the United States. In total, G20 countries have contributed approximately three-quarter of global warming to date.
Distribution of historic contributions to global warming worldwide from 1850 to 2021, by country or region
Historic contributions to warming result from cumulative CO₂ emissions, but also estimated CH4, N₂O and F-gas emissions (cooling from aerosols is excluded, leading to a higher estimate of warming than currently observed). Totals are not complete for all categories and exclude, for example, international transport.
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UNEP. (November 20, 2023). Distribution of historic contributions to global warming worldwide from 1850 to 2021, by country or region [Graph]. In Statista. Retrieved December 21, 2024, from https://www.statista.com/statistics/1440280/historic-contributions-to-global-warming-worldwide-by-country/
UNEP. "Distribution of historic contributions to global warming worldwide from 1850 to 2021, by country or region." Chart. November 20, 2023. Statista. Accessed December 21, 2024. https://www.statista.com/statistics/1440280/historic-contributions-to-global-warming-worldwide-by-country/
UNEP. (2023). Distribution of historic contributions to global warming worldwide from 1850 to 2021, by country or region. Statista. Statista Inc.. Accessed: December 21, 2024. https://www.statista.com/statistics/1440280/historic-contributions-to-global-warming-worldwide-by-country/
UNEP. "Distribution of Historic Contributions to Global Warming Worldwide from 1850 to 2021, by Country or Region." Statista, Statista Inc., 20 Nov 2023, https://www.statista.com/statistics/1440280/historic-contributions-to-global-warming-worldwide-by-country/
UNEP, Distribution of historic contributions to global warming worldwide from 1850 to 2021, by country or region Statista, https://www.statista.com/statistics/1440280/historic-contributions-to-global-warming-worldwide-by-country/ (last visited December 21, 2024)
Distribution of historic contributions to global warming worldwide from 1850 to 2021, by country or region [Graph], UNEP, November 20, 2023. [Online]. Available: https://www.statista.com/statistics/1440280/historic-contributions-to-global-warming-worldwide-by-country/
