Iraq vs Nigeria: Share of global methane emissions

Iraq
1.6%
in 2024
Nigeria
2.0%
in 2024
Iraq rank
11th
Nigeria rank
8th

Share of global methane emissions over time

  • Iraq
  • Nigeria
01234185019372024

How they compare

Nigeria currently reports 2.0% against 1.6% in Iraq, a difference of 0.4%.

That makes Nigeria's figure about 1.3 times Iraq's.

The two have swapped places 4 times across 175 shared years of data; in 1850 it was Nigeria ahead.

Iraq ranks 11th and Nigeria ranks 8th of 201 countries.

Across the 18 decades both report, Iraq averaged higher in 1 and Nigeria in 17.

Head to head by decade

Decade Iraq Nigeria Difference Ahead
1850s 0.1% 0.3% 0.3% Nigeria
1860s 0.1% 0.3% 0.3% Nigeria
1870s 0.1% 0.3% 0.2% Nigeria
1880s 0.1% 0.3% 0.2% Nigeria
1890s 0.1% 0.3% 0.2% Nigeria
1900s 0.1% 0.3% 0.2% Nigeria
1910s 0.1% 0.3% 0.2% Nigeria
1920s 0.1% 0.3% 0.2% Nigeria
1930s 0.3% 0.3% 0.0% Nigeria
1940s 0.7% 0.4% 0.3% Iraq
1950s 0.6% 0.6% 0.0% Nigeria
1960s 1.0% 1.6% 0.6% Nigeria
1970s 1.5% 2.6% 1.2% Nigeria
1980s 1.2% 2.2% 1.0% Nigeria
1990s 0.6% 3.2% 2.6% Nigeria
2000s 0.9% 3.1% 2.2% Nigeria
2010s 1.5% 2.6% 1.1% Nigeria
2020s 1.6% 2.2% 0.6% Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of global methane emissions, Iraq or Nigeria?
Nigeria, at 2.0% against 1.6% in Iraq as of 2024.
What is the difference in share of global methane emissions between Iraq and Nigeria?
0.4%, with Nigeria ahead.
How many years of comparable data are there for Iraq and Nigeria?
175 years are reported by both, from 1850 to 2024.
How do Iraq and Nigeria rank globally for share of global methane emissions?
Iraq ranks 11th and Nigeria ranks 8th of 201 countries.
Where does this data come from?
Jones et al. (2025) – with major processing by Our World in Data, published as Share of global methane emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iraq vs Nigeria: Share of global methane emissions. Statizoid, drawing on Jones et al. (2025) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://climate.statizoid.com/compare/share-global-methane-emissions/iraq/nigeria/

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About this data

Indicator
Share of global methane emissions
Unit
%
Source
Jones et al. (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
201 places, 35,175 data points, 1850–2024
Last refreshed

Measured as a percentage of the world's methane emissions.