Which has higher share of global greenhouse gas emissions, Iraq or Nigeria?

Iraq, at 0.7% against 0.7% in Nigeria as of 2024.

How many years of comparable data are there for Iraq and Nigeria?

175 years are reported by both, from 1850 to 2024.

Where does this data come from?

Jones et al. (2025) – with major processing by Our World in Data, published as Share of global greenhouse gas emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iraq vs Nigeria: Share of global greenhouse gas emissions

Iraq

0.7%

in 2024

Nigeria

0.7%

in 2024

Iraq rank

22nd

Nigeria rank

25th

Share of global greenhouse gas emissions over time

Iraq
Nigeria

How they compare

Iraq currently reports 0.7% against 0.7% in Nigeria, a difference of 0.0%.

The two have swapped places 1 time across 175 shared years of data; in 1850 it was Nigeria ahead.

Iraq ranks 22nd and Nigeria ranks 25th of 199 countries.

Nigeria has averaged higher in every one of the 18 decades both report.

Head to head by decade

Decade	Iraq	Nigeria	Difference	Ahead
1850s	0.0%	0.2%	0.1%	Nigeria
1860s	0.0%	0.3%	0.2%	Nigeria
1870s	0.0%	0.3%	0.3%	Nigeria
1880s	0.0%	0.3%	0.3%	Nigeria
1890s	0.0%	0.3%	0.2%	Nigeria
1900s	0.0%	0.3%	0.3%	Nigeria
1910s	0.0%	0.4%	0.4%	Nigeria
1920s	0.0%	0.6%	0.6%	Nigeria
1930s	0.1%	0.7%	0.6%	Nigeria
1940s	0.3%	0.9%	0.6%	Nigeria
1950s	0.2%	0.8%	0.6%	Nigeria
1960s	0.3%	0.8%	0.5%	Nigeria
1970s	0.4%	1.0%	0.5%	Nigeria
1980s	0.4%	0.9%	0.5%	Nigeria
1990s	0.3%	1.3%	1.0%	Nigeria
2000s	0.4%	1.0%	0.7%	Nigeria
2010s	0.6%	0.7%	0.2%	Nigeria
2020s	0.7%	0.7%	0.0%	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of global greenhouse gas emissions, Iraq or Nigeria?: Iraq, at 0.7% against 0.7% in Nigeria as of 2024.
What is the difference in share of global greenhouse gas emissions between Iraq and Nigeria?: 0.0%, with Iraq 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 greenhouse gas emissions?: Iraq ranks 22nd and Nigeria ranks 25th of 199 countries.
Where does this data come from?: Jones et al. (2025) – with major processing by Our World in Data, published as Share of global greenhouse gas emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Share of global greenhouse gas 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: 199 places, 34,825 data points, 1850–2024
Last refreshed: 07 August 2026

Measured as a percentage of the world's greenhouse gas emissions.