San Marino vs Tonga: Energy — Emissions (CO2eq) from CH4 (AR5), per unit of GDP

San Marino
0 kt per US$ of GDP
in 2023
Tonga
0 kt per US$ of GDP
in 2023
San Marino rank
157th
Tonga rank
154th

Energy — Emissions (CO2eq) from CH4 (AR5), per unit of GDP over time

  • San Marino
  • Tonga
0000197519992023

How they compare

Tonga currently reports 0 kt per US$ of GDP against 0 kt per US$ of GDP in San Marino, a difference of 0 kt per US$ of GDP.

That makes Tonga's figure about 1.1 times San Marino's.

The two have swapped places 4 times across 27 shared years of data; in 1997 it was Tonga ahead.

San Marino ranks 157th and Tonga ranks 154th of 183 countries.

Tonga has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade San Marino Tonga Difference Ahead
1990s 0 kt per US$ of GDP 0 kt per US$ of GDP 0 kt per US$ of GDP Tonga
2000s 0 kt per US$ of GDP 0 kt per US$ of GDP 0 kt per US$ of GDP Tonga
2010s 0 kt per US$ of GDP 0 kt per US$ of GDP 0 kt per US$ of GDP Tonga
2020s 0 kt per US$ of GDP 0 kt per US$ of GDP 0 kt per US$ of GDP Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher energy — emissions (co2eq) from ch4 (ar5), per unit of gdp, San Marino or Tonga?
Tonga, at 0 kt per US$ of GDP against 0 kt per US$ of GDP in San Marino as of 2023.
What is the difference in energy — emissions (co2eq) from ch4 (ar5), per unit of gdp between San Marino and Tonga?
0 kt per US$ of GDP, with Tonga ahead.
How many years of comparable data are there for San Marino and Tonga?
27 years are reported by both, from 1997 to 2023.
How do San Marino and Tonga rank globally for energy — emissions (co2eq) from ch4 (ar5), per unit of gdp?
San Marino ranks 157th and Tonga ranks 154th of 183 countries.
Where does this data come from?
Statizoid (derived), published as Energy — Emissions (CO2eq) from CH4 (AR5), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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San Marino vs Tonga: Energy — Emissions (CO2eq) from CH4 (AR5), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 25 September 2026, from https://climate.statizoid.com/compare/energy-emissions-co2eq-from-ch4-ar5-per-unit-of-gdp/san-marino/tonga/

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About this data

Indicator
Energy — Emissions (CO2eq) from CH4 (AR5), per unit of GDP
Unit
kt per US$ of GDP
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
184 places, 9,735 data points, 1961–2023
Last refreshed

Energy — Emissions (CO2eq) from CH4 (AR5) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.