Iran vs Japan: Annual co2 gas

Iran
492.66 million
in 2024
Japan
195.30 million
in 2024
Iran rank
4th
Japan rank
7th

Annual co2 gas over time

  • Iran
  • Japan
0100.0M200.0M300.0M400.0M500.0M186819462024

How they compare

Iran currently reports 492.66 million against 195.30 million in Japan, a difference of 297.36 million.

That makes Iran's figure about 2.5 times Japan's.

The two have swapped places 5 times across 110 shared years of data; in 1906 it was Japan ahead.

Iran ranks 4th and Japan ranks 7th of 146 countries.

Across the 13 decades both report, Iran averaged higher in 5 and Japan in 7.

Head to head by decade

Decade Iran Japan Difference Ahead
1900s 0 0 0 —
1910s 0 19,134 19,134 Japan
1920s 0 50,196 50,196 Japan
1930s 0 90,866 90,866 Japan
1940s 0 86,470 86,470 Japan
1950s 1.21 million 710,082 496,792 Iran
1960s 3.03 million 3.41 million 389,830 Japan
1970s 20.85 million 18.64 million 2.21 million Iran
1980s 24.67 million 69.12 million 44.44 million Japan
1990s 74.29 million 140.39 million 66.10 million Japan
2000s 189.54 million 185.05 million 4.49 million Iran
2010s 344.98 million 243.15 million 101.83 million Iran
2020s 481.30 million 205.54 million 275.76 million Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual co2 gas, Iran or Japan?
Iran, at 492.66 million against 195.30 million in Japan as of 2024.
What is the difference in annual co2 gas between Iran and Japan?
297.36 million, with Iran ahead.
How many years of comparable data are there for Iran and Japan?
110 years are reported by both, from 1906 to 2024.
How do Iran and Japan rank globally for annual co2 gas?
Iran ranks 4th and Japan ranks 7th of 146 countries.
Where does this data come from?
Our World in Data, published as Annual co2 gas. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Japan: Annual co2 gas. Statizoid, drawing on Our World in Data. Retrieved 15 November 2026, from https://climate.statizoid.com/compare/annual-co2-gas/iran-islamic-rep/japan/

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About this data

Indicator
Annual co2 gas
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
146 places, 14,474 data points, 1750–2024
Last refreshed