Iran (Islamic Republic of) vs Japan: IPPU — Emissions (CO2eq) from CH4 (AR5)

Iran (Islamic Republic of)
422.8 kt
in 2023
Japan
476 kt
in 2023
Iran (Islamic Republic of) rank
13th
Japan rank
12th

IPPU — Emissions (CO2eq) from CH4 (AR5) over time

  • Iran (Islamic Republic of)
  • Japan
0200400600196119922023

How they compare

Japan currently reports 476 kt against 422.8 kt in Iran (Islamic Republic of), a difference of 53.2 kt.

That makes Japan's figure about 1.1 times Iran (Islamic Republic of)'s.

The two have swapped places 4 times across 63 shared years of data; in 1961 it was Japan ahead.

Iran (Islamic Republic of) ranks 13th and Japan ranks 12th of 148 countries.

Japan has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade Iran (Islamic Republic of) Japan Difference Ahead
1960s 0.0777 kt 438.98 kt 438.9 kt Japan
1970s 1.34 kt 459.48 kt 458.14 kt Japan
1980s 1.87 kt 309.48 kt 307.61 kt Japan
1990s 21.63 kt 293.69 kt 272.06 kt Japan
2000s 165.82 kt 324.24 kt 158.42 kt Japan
2010s 370.72 kt 416.64 kt 45.92 kt Japan
2020s 422.1 kt 485.1 kt 63 kt Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ippu — emissions (co2eq) from ch4, Iran (Islamic Republic of) or Japan?
Japan, at 476 kt against 422.8 kt in Iran (Islamic Republic of) as of 2023.
What is the difference in ippu — emissions (co2eq) from ch4 between Iran (Islamic Republic of) and Japan?
53.2 kt, with Japan ahead.
How many years of comparable data are there for Iran (Islamic Republic of) and Japan?
63 years are reported by both, from 1961 to 2023.
How do Iran (Islamic Republic of) and Japan rank globally for ippu — emissions (co2eq) from ch4?
Iran (Islamic Republic of) ranks 13th and Japan ranks 12th of 148 countries.
Where does this data come from?
Food and Agriculture Organization of the United Nations, published as IPPU — Emissions (CO2eq) from CH4 (AR5). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran (Islamic Republic of) vs Japan: IPPU — Emissions (CO2eq) from CH4. Statizoid, drawing on Food and Agriculture Organization of the United Nations. Retrieved 11 October 2026, from https://climate.statizoid.com/compare/ippu-emissions-co2eq-from-ch4-ar5-fao-tier-1/iran-islamic-republic-of/japan/

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About this data

Indicator
IPPU — Emissions (CO2eq) from CH4 (AR5)
Unit
kt
Source
Food and Agriculture Organization of the United Nations
Licence
CC BY-NC-SA 3.0 IGO (FAO)
Coverage
181 places, 10,289 data points, 1961–2023
Last refreshed

The FAOSTAT domain on Emissions Totals summarizes the greenhouse gas (GHG) emissions disseminated in the FAOSTAT Climate Change domains of emissions from agrifood systems. Data are computed following the Tier 1 methods of the Intergovernmental Panel on Climate Change (IPCC) Guidelines for National greenhouse gas (GHG) Inventories (IPCC, 1996; 1997; 2000; 2002; 2006; 2014). Emissions from other economic sectors as defined by the IPCC are also disseminated in the domain for completeness. Methodological details can be found at: https://files-faostat.fao.org/production/GT/GT_en.pdf