Countries' Share of Global Warming, 1851-2024
Key Findings
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United States leads in Share of Global Warming (%) with 17.65.
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Average Share of Global Warming (%): 3.61 · median: 1.83.
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Gap: United States is 19× larger than Thailand.
About This Dataset
Countries' Share of Global Warming, 1851-2024
What this chart shows. The 20 countries responsible for the largest shares of the rise in global mean surface temperature caused by greenhouse gases emitted from 1851 to 2024. The United States accounts for 17.65 per cent, China for 12.95 per cent and Russia for 7.03 per cent; together they account for 37.6 per cent.
How the data is collected. The figures come from the dataset "National contributions to climate change" by Jones and colleagues, processed by Our World in Data. It converts each country's cumulative emissions of carbon dioxide, methane and nitrous oxide, including land use, into warming using a CO2-equivalent method called GWP*.
Background. In this data greenhouse gases had warmed the planet by 1.68°C by 2024. Brazil and Indonesia rank 4th and 6th because land-use CO2 and methane are counted, ahead of industrial countries such as Germany and the United Kingdom.
Limits. Shares depend on modelling choices, such as how short-lived methane is converted into warming, and on uncertain land-use estimates. Emissions are assigned to countries by today's borders.
How the data is collected. The figures come from the dataset "National contributions to climate change" by Jones and colleagues, processed by Our World in Data. It converts each country's cumulative emissions of carbon dioxide, methane and nitrous oxide, including land use, into warming using a CO2-equivalent method called GWP*.
Background. In this data greenhouse gases had warmed the planet by 1.68°C by 2024. Brazil and Indonesia rank 4th and 6th because land-use CO2 and methane are counted, ahead of industrial countries such as Germany and the United Kingdom.
Limits. Shares depend on modelling choices, such as how short-lived methane is converted into warming, and on uncertain land-use estimates. Emissions are assigned to countries by today's borders.
Analysis
The share of past warming caused by the United States, 17.65 per cent, is larger than China's, although China emits more each year. India accounts for 4.75 per cent.
Data Insights
Numbers, trends & sources behind this chart
Methodology & source
- Data source
- Jones et al. (2025) via Our World in Data
- Coverage
- 20 entities · 1851-2024 · 20 observations
- Measure
- Share of Global Warming (%)
- Last updated
- 29 September 2026
- Compiled by
- The ANYSTAT team, from the source above
How the figures are calculated
- Values use the measure and unit named on this page. Consult the dataset description and cited source for coverage, definitions and any unit conversions. Displayed values may be rounded for readability.
- Entities are ranked highest-first on their value.
An article using this data
The US Has Caused More Global Warming Than Any Other Country: Historical CO2, Methane and Deforestation by Country
Global Carbon Budget and Jones et al. data: the US has emitted 434.9 billion tonnes of fossil CO2 since 1750 and caused 17.65% of global warming; China leads on...
Data Sources & References
All external sources cited in this dataset
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