Japan vs United States: Kaya identity: drivers of CO₂ emissions
Japan
961.87 million tonnes
in 2024
United States
4.90 billion tonnes
in 2024
Japan rank
5th
United States rank
2nd
Kaya identity: drivers of CO₂ emissions over time
- Japan
- United States
How they compare
United States currently reports 4.90 billion tonnes against 961.87 million tonnes in Japan, a difference of 3.94 billion tonnes.
That makes United States's figure about 5.1 times Japan's.
Across all 60 years both countries report, United States has been ahead every year.
Japan ranks 5th and United States ranks 2nd of 215 countries.
United States has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Japan | United States | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 502.62 million tonnes | 3.71 billion tonnes | 3.21 billion tonnes | United States |
| 1970s | 883.62 million tonnes | 4.63 billion tonnes | 3.74 billion tonnes | United States |
| 1980s | 934.21 million tonnes | 4.60 billion tonnes | 3.66 billion tonnes | United States |
| 1990s | 1.21 billion tonnes | 5.43 billion tonnes | 4.22 billion tonnes | United States |
| 2000s | 1.26 billion tonnes | 5.97 billion tonnes | 4.71 billion tonnes | United States |
| 2010s | 1.22 billion tonnes | 5.40 billion tonnes | 4.18 billion tonnes | United States |
| 2020s | 1.01 billion tonnes | 4.92 billion tonnes | 3.90 billion tonnes | United States |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher kaya identity: drivers of co₂ emissions, Japan or United States?
- United States, at 4.90 billion tonnes against 961.87 million tonnes in Japan as of 2024.
- What is the difference in kaya identity: drivers of co₂ emissions between Japan and United States?
- 3.94 billion tonnes, with United States ahead.
- How many years of comparable data are there for Japan and United States?
- 60 years are reported by both, from 1965 to 2024.
- How do Japan and United States rank globally for kaya identity: drivers of co₂ emissions?
- Japan ranks 5th and United States ranks 2nd of 215 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as Kaya identity: drivers of CO₂ emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual total emissions of carbon dioxide (CO₂), excluding land-use change, measured in tonnes.