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

63 years are reported by both, from 1961 to 2023.

Where does this data come from?

Statizoid (derived), published as Energy — Emissions (CO2eq) (AR5), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Nigeria vs Tonga: Energy — Emissions (CO2eq) (AR5), per square kilometre

Nigeria

0.2752 kt per square kilometre

in 2023

Tonga

0.2669 kt per square kilometre

in 2023

Nigeria rank

81st

Tonga rank

82nd

Energy — Emissions (CO2eq) (AR5), per square kilometre over time

Nigeria
Tonga

How they compare

Nigeria currently reports 0.2752 kt per square kilometre against 0.2669 kt per square kilometre in Tonga, a difference of 0.0083 kt per square kilometre.

Across all 63 years both countries report, Nigeria has been ahead every year.

Nigeria ranks 81st and Tonga ranks 82nd of 186 countries.

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

Head to head by decade

Decade	Nigeria	Tonga	Difference	Ahead
1960s	0.101 kt per square kilometre	0.0171 kt per square kilometre	0.0839 kt per square kilometre	Nigeria
1970s	0.2172 kt per square kilometre	0.04 kt per square kilometre	0.1772 kt per square kilometre	Nigeria
1980s	0.2079 kt per square kilometre	0.0731 kt per square kilometre	0.1348 kt per square kilometre	Nigeria
1990s	0.3124 kt per square kilometre	0.1273 kt per square kilometre	0.185 kt per square kilometre	Nigeria
2000s	0.3059 kt per square kilometre	0.1588 kt per square kilometre	0.1471 kt per square kilometre	Nigeria
2010s	0.2909 kt per square kilometre	0.174 kt per square kilometre	0.1169 kt per square kilometre	Nigeria
2020s	0.2762 kt per square kilometre	0.2556 kt per square kilometre	0.0206 kt per square kilometre	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher energy — emissions (co2eq) (ar5), per square kilometre, Nigeria or Tonga?: Nigeria, at 0.2752 kt per square kilometre against 0.2669 kt per square kilometre in Tonga as of 2023.
What is the difference in energy — emissions (co2eq) (ar5), per square kilometre between Nigeria and Tonga?: 0.0083 kt per square kilometre, with Nigeria ahead.
How many years of comparable data are there for Nigeria and Tonga?: 63 years are reported by both, from 1961 to 2023.
How do Nigeria and Tonga rank globally for energy — emissions (co2eq) (ar5), per square kilometre?: Nigeria ranks 81st and Tonga ranks 82nd of 186 countries.
Where does this data come from?: Statizoid (derived), published as Energy — Emissions (CO2eq) (AR5), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Nigeria vs Tonga: Energy — Emissions (CO2eq) (AR5), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://climate.statizoid.com/compare/energy-emissions-co2eq-ar5-per-square-kilometre/nigeria/tonga/

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<a href="https://climate.statizoid.com/compare/energy-emissions-co2eq-ar5-per-square-kilometre/nigeria/tonga/">Nigeria vs Tonga: Energy — Emissions (CO2eq) (AR5), per square kilometre</a> — Statizoid

About this data

Indicator: Energy — Emissions (CO2eq) (AR5), per square kilometre
Unit: kt per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 187 places, 10,734 data points, 1961–2023
Last refreshed: 23 September 2026

Energy — Emissions (CO2eq) (AR5) 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.