Iran vs Japan: Carbon dioxide emissions by income level

Iran
792.63 million tonnes
in 2024
Japan
961.87 million tonnes
in 2024
Iran rank
7th
Japan rank
5th

Carbon dioxide emissions by income level over time

  • Iran
  • Japan
0500.0M1.0B1.5B186819462024

How they compare

Japan currently reports 961.87 million tonnes against 792.63 million tonnes in Iran, a difference of 169.24 million tonnes.

That makes Japan's figure about 1.2 times Iran's.

The two have swapped places 2 times across 115 shared years of data; in 1906 it was Japan ahead.

Iran ranks 7th and Japan ranks 5th of 215 countries.

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

Head to head by decade

Decade Iran Japan Difference Ahead
1900s 3,664 tonnes 32.86 million tonnes 32.85 million tonnes Japan
1910s 1.82 million tonnes 59.50 million tonnes 57.68 million tonnes Japan
1920s 12.77 million tonnes 80.91 million tonnes 68.15 million tonnes Japan
1930s 24.45 million tonnes 104.27 million tonnes 79.82 million tonnes Japan
1940s 41.23 million tonnes 113.09 million tonnes 71.86 million tonnes Japan
1950s 13.67 million tonnes 151.02 million tonnes 137.35 million tonnes Japan
1960s 55.12 million tonnes 400.69 million tonnes 345.58 million tonnes Japan
1970s 135.76 million tonnes 883.62 million tonnes 747.86 million tonnes Japan
1980s 150.77 million tonnes 934.21 million tonnes 783.44 million tonnes Japan
1990s 266.10 million tonnes 1.21 billion tonnes 939.34 million tonnes Japan
2000s 455.48 million tonnes 1.26 billion tonnes 802.75 million tonnes Japan
2010s 636.62 million tonnes 1.22 billion tonnes 582.52 million tonnes Japan
2020s 774.92 million tonnes 1.01 billion tonnes 239.92 million tonnes Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide emissions by income level, Iran or Japan?
Japan, at 961.87 million tonnes against 792.63 million tonnes in Iran as of 2024.
What is the difference in carbon dioxide emissions by income level between Iran and Japan?
169.24 million tonnes, with Japan ahead.
How many years of comparable data are there for Iran and Japan?
115 years are reported by both, from 1906 to 2024.
How do Iran and Japan rank globally for carbon dioxide emissions by income level?
Iran ranks 7th and Japan ranks 5th of 215 countries.
Where does this data come from?
Global Carbon Budget (2025) – with major processing by Our World in Data, published as Carbon dioxide emissions by income level. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Carbon dioxide emissions by income level
Unit
tonnes
Source
Global Carbon Budget (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
216 places, 23,583 data points, 1750–2024
Last refreshed

Annual total emissions of carbon dioxide (CO₂), excluding land-use change, measured in tonnes.