China vs United States: Global warming: Contributions to the change in global mean surface temperature

China

13.0%

in 2024

United States

17.7%

in 2024

China rank

2nd

United States rank

1st

Global warming: Contributions to the change in global mean surface temperature over time

United States currently reports 17.7% against 13.0% in China, a difference of 4.7%.

That makes United States's figure about 1.4 times China's.

Across all 174 years both countries report, United States has been ahead every year.

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

Indicator: Global warming: Contributions to the change in global mean surface temperature
Unit: %
Source: Jones et al. (2025) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 215 places, 37,410 data points, 1851–2024
Last refreshed: 07 August 2026

Measured as a percentage of the world's temperature change.