How many years of comparable data are there for Bulgaria and Oman?

45 years are reported by both, from 1980 to 2024.

Where does this data come from?

Statizoid (derived), published as Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Oman: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit

Bulgaria

0 Mt CO2e per US$ of GDP

in 2024

Oman

0 Mt CO2e per US$ of GDP

in 2024

Bulgaria rank

94th

Oman rank

96th

Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit over time

Bulgaria
Oman

How they compare

Bulgaria currently reports 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Oman, a difference of 0 Mt CO2e per US$ of GDP.

The two have swapped places 2 times across 45 shared years of data; in 1980 it was Bulgaria ahead.

Bulgaria ranks 94th and Oman ranks 96th of 191 countries.

Bulgaria has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Bulgaria	Oman	Difference	Ahead
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Bulgaria
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Bulgaria
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Bulgaria
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Bulgaria
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from transport (energy) (mt co2e), per unit, Bulgaria or Oman?: Bulgaria, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Oman as of 2024.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per unit between Bulgaria and Oman?: 0 Mt CO2e per US$ of GDP, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Oman?: 45 years are reported by both, from 1980 to 2024.
How do Bulgaria and Oman rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per unit?: Bulgaria ranks 94th and Oman ranks 96th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Oman: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/bulgaria/oman/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/bulgaria/oman/">Bulgaria vs Oman: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit of GDP
Unit: Mt CO2e per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 238 places, 12,139 data points, 1970–2024
Last refreshed: 21 September 2026

Methane (CH4) emissions from Transport (Energy) (Mt CO2e) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.