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

54 years are reported by both, from 1970 to 2023.

Where does this data come from?

Statizoid (derived), published as Annual Net Emissions/Removals (Greenhouse gas, Total, Metric ton of CO₂), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Costa Rica vs Nigeria: Annual Net Emissions/Removals (Greenhouse gas, Total, Metric ton of)

Costa Rica

0.0003 units per square kilometre

in 2023

Nigeria

0.0004 units per square kilometre

in 2023

Costa Rica rank

96th

Nigeria rank

93rd

Annual Net Emissions/Removals (Greenhouse gas, Total, Metric ton of) over time

Costa Rica
Nigeria

How they compare

Nigeria currently reports 0.0004 units per square kilometre against 0.0003 units per square kilometre in Costa Rica, a difference of 0.0001 units per square kilometre.

That makes Nigeria's figure about 1.1 times Costa Rica's.

The two have swapped places 1 time across 54 shared years of data; in 1970 it was Costa Rica ahead.

Costa Rica ranks 96th and Nigeria ranks 93rd of 199 countries.

Across the 6 decades both report, Costa Rica averaged higher in 4 and Nigeria in 2.

Head to head by decade

Decade	Costa Rica	Nigeria	Difference	Ahead
1970s	0.0001 units per square kilometre	0.0001 units per square kilometre	0.0001 units per square kilometre	Costa Rica
1980s	0.0002 units per square kilometre	0.0001 units per square kilometre	0.0001 units per square kilometre	Costa Rica
1990s	0.0002 units per square kilometre	0.0002 units per square kilometre	0.0001 units per square kilometre	Costa Rica
2000s	0.0002 units per square kilometre	0.0002 units per square kilometre	0 units per square kilometre	Costa Rica
2010s	0.0003 units per square kilometre	0.0003 units per square kilometre	0 units per square kilometre	Nigeria
2020s	0.0003 units per square kilometre	0.0004 units per square kilometre	0 units per square kilometre	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual net emissions/removals (greenhouse gas, total, metric ton of), Costa Rica or Nigeria?: Nigeria, at 0.0004 units per square kilometre against 0.0003 units per square kilometre in Costa Rica as of 2023.
What is the difference in annual net emissions/removals (greenhouse gas, total, metric ton of) between Costa Rica and Nigeria?: 0.0001 units per square kilometre, with Nigeria ahead.
How many years of comparable data are there for Costa Rica and Nigeria?: 54 years are reported by both, from 1970 to 2023.
How do Costa Rica and Nigeria rank globally for annual net emissions/removals (greenhouse gas, total, metric ton of)?: Costa Rica ranks 96th and Nigeria ranks 93rd of 199 countries.
Where does this data come from?: Statizoid (derived), published as Annual Net Emissions/Removals (Greenhouse gas, Total, Metric ton of CO₂), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Costa Rica vs Nigeria: Annual Net Emissions/Removals (Greenhouse gas, Total, Metric ton of). Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://climate.statizoid.com/compare/annual-net-emissions-removals-greenhouse-gas-total-metric-ton-of-co2-per-square-kilometre/costa-rica/nigeria/

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<a href="https://climate.statizoid.com/compare/annual-net-emissions-removals-greenhouse-gas-total-metric-ton-of-co2-per-square-kilometre/costa-rica/nigeria/">Costa Rica vs Nigeria: Annual Net Emissions/Removals (Greenhouse gas, Total, Metric ton of)</a> — Statizoid

About this data

Indicator: Annual Net Emissions/Removals (Greenhouse gas, Total, Metric ton of CO₂), per square kilometre
Unit: units per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 201 places, 10,149 data points, 1970–2023
Last refreshed: 16 September 2026

Annual Net Emissions/Removals (Greenhouse gas, Total, Metric ton of CO₂) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.