Which has higher share of global co₂ emissions, Mauritania or New Caledonia?

New Caledonia, at 0.0% against 0.0% in Mauritania as of 2024.

What is the difference in share of global co₂ emissions between Mauritania and New Caledonia?

0.0%, with New Caledonia ahead.

How many years of comparable data are there for Mauritania and New Caledonia?

66 years are reported by both, from 1959 to 2024.

Where does this data come from?

Global Carbon Budget (2025) – with major processing by Our World in Data, published as Share of global CO₂ emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Mauritania vs New Caledonia: Share of global CO₂ emissions

Mauritania

0.0%

in 2024

New Caledonia

0.0%

in 2024

Mauritania rank

137th

New Caledonia rank

136th

Share of global CO₂ emissions over time

Mauritania
New Caledonia

How they compare

New Caledonia currently reports 0.0% against 0.0% in Mauritania, a difference of 0.0%.

The two have swapped places 4 times across 66 shared years of data; in 1959 it was New Caledonia ahead.

Mauritania ranks 137th and New Caledonia ranks 136th of 215 countries.

New Caledonia has averaged higher in every one of the 8 decades both report.

Head to head by decade

Decade	Mauritania	New Caledonia	Difference	Ahead
1950s	0.0%	0.0%	0.0%	New Caledonia
1960s	0.0%	0.0%	0.0%	New Caledonia
1970s	0.0%	0.0%	0.0%	New Caledonia
1980s	0.0%	0.0%	0.0%	New Caledonia
1990s	0.0%	0.0%	0.0%	New Caledonia
2000s	0.0%	0.0%	0.0%	New Caledonia
2010s	0.0%	0.0%	0.0%	New Caledonia
2020s	0.0%	0.0%	0.0%	New Caledonia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of global co₂ emissions, Mauritania or New Caledonia?: New Caledonia, at 0.0% against 0.0% in Mauritania as of 2024.
What is the difference in share of global co₂ emissions between Mauritania and New Caledonia?: 0.0%, with New Caledonia ahead.
How many years of comparable data are there for Mauritania and New Caledonia?: 66 years are reported by both, from 1959 to 2024.
How do Mauritania and New Caledonia rank globally for share of global co₂ emissions?: Mauritania ranks 137th and New Caledonia ranks 136th of 215 countries.
Where does this data come from?: Global Carbon Budget (2025) – with major processing by Our World in Data, published as Share of global CO₂ emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Mauritania vs New Caledonia: Share of global CO₂ emissions. Statizoid, drawing on Global Carbon Budget (2025) – with major processing by Our World in Data. Retrieved 08 October 2026, from https://climate.statizoid.com/compare/annual-share-of-co2-emissions/mauritania/new-caledonia/

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<a href="https://climate.statizoid.com/compare/annual-share-of-co2-emissions/mauritania/new-caledonia/">Mauritania vs New Caledonia: Share of global CO₂ emissions</a> — Statizoid

About this data

Indicator: Share of global CO₂ emissions
Unit: %
Source: Global Carbon Budget (2025) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 215 places, 23,408 data points, 1750–2024
Last refreshed: 18 September 2026

Annual total emissions of carbon dioxide (CO₂), excluding land-use change, measured as a percentage of global emissions of CO₂ in the same year.