China vs United States: Cumulative CO₂ emissions, gaps filled

China
285.09 billion tonnes
in 2024
United States
434.87 billion tonnes
in 2024
China rank
2nd
United States rank
1st

Cumulative CO₂ emissions, gaps filled over time

  • China
  • United States
0100.0B200.0B300.0B400.0B180019122024

How they compare

United States currently reports 434.87 billion tonnes against 285.09 billion tonnes in China, a difference of 149.78 billion tonnes.

That makes United States's figure about 1.5 times China's.

Across all 118 years both countries report, United States has been ahead every year.

China ranks 2nd and United States ranks 1st of 215 countries.

United States has averaged higher in every one of the 13 decades both report.

Head to head by decade

Decade China United States Difference Ahead
1900s 43.13 million tonnes 18.28 billion tonnes 18.24 billion tonnes United States
1910s 205.81 million tonnes 27.03 billion tonnes 26.82 billion tonnes United States
1920s 582.38 million tonnes 43.23 billion tonnes 42.65 billion tonnes United States
1930s 1.11 billion tonnes 59.81 billion tonnes 58.70 billion tonnes United States
1940s 1.92 billion tonnes 79.03 billion tonnes 77.11 billion tonnes United States
1950s 3.09 billion tonnes 104.08 billion tonnes 100.98 billion tonnes United States
1960s 7.75 billion tonnes 133.89 billion tonnes 126.14 billion tonnes United States
1970s 15.72 billion tonnes 175.15 billion tonnes 159.43 billion tonnes United States
1980s 31.20 billion tonnes 221.35 billion tonnes 190.14 billion tonnes United States
1990s 56.99 billion tonnes 271.51 billion tonnes 214.52 billion tonnes United States
2000s 98.72 billion tonnes 329.65 billion tonnes 230.93 billion tonnes United States
2010s 181.16 billion tonnes 386.33 billion tonnes 205.18 billion tonnes United States
2020s 261.01 billion tonnes 424.97 billion tonnes 163.96 billion tonnes United States

Averages of every year both report within each decade.

Frequently asked questions

Which has higher cumulative co₂ emissions, gaps filled, China or United States?
United States, at 434.87 billion tonnes against 285.09 billion tonnes in China as of 2024.
What is the difference in cumulative co₂ emissions, gaps filled between China and United States?
149.78 billion tonnes, with United States ahead.
How many years of comparable data are there for China and United States?
118 years are reported by both, from 1907 to 2024.
How do China and United States rank globally for cumulative co₂ emissions, gaps filled?
China ranks 2nd and United States ranks 1st of 215 countries.
Where does this data come from?
Statizoid (derived), published as Cumulative CO₂ emissions, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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China vs United States: Cumulative CO₂ emissions, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 06 November 2026, from https://climate.statizoid.com/compare/cumulative-co2-emissions-gaps-filled/china/united-states/

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About this data

Indicator
Cumulative CO₂ emissions, gaps filled
Unit
tonnes
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
215 places, 23,492 data points, 1750–2024
Last refreshed

Cumulative CO₂ emissions with 84 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.