How many years of comparable data are there for Macao and Malta?

43 years are reported by both, from 1982 to 2024.

Where does this data come from?

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

Macao vs Malta: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt)

Macao

0 Mt CO2e per US$ of GDP

in 2024

Malta

0 Mt CO2e per US$ of GDP

in 2024

Macao rank

177th

Malta rank

178th

Methane (CH4) emissions from Industrial Combustion (Energy) (Mt) over time

Macao
Malta

How they compare

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

The two have swapped places 7 times across 43 shared years of data; in 1982 it was Malta ahead.

Macao ranks 177th and Malta ranks 178th of 191 countries.

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

Head to head by decade

Decade	Macao	Malta	Difference	Ahead
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	—
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Macao
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Macao
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Macao
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Macao

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from industrial combustion (energy) (mt), Macao or Malta?: Macao, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Malta as of 2024.
What is the difference in methane (ch4) emissions from industrial combustion (energy) (mt) between Macao and Malta?: 0 Mt CO2e per US$ of GDP, with Macao ahead.
How many years of comparable data are there for Macao and Malta?: 43 years are reported by both, from 1982 to 2024.
How do Macao and Malta rank globally for methane (ch4) emissions from industrial combustion (energy) (mt)?: Macao ranks 177th and Malta ranks 178th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Industrial Combustion (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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Macao vs Malta: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt). Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-industrial-combustion-energy-mt-co2e-per-unit-of-gdp/macao-sar-china/malta/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-industrial-combustion-energy-mt-co2e-per-unit-of-gdp/macao-sar-china/malta/">Macao vs Malta: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt)</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Industrial Combustion (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: 22 September 2026

Methane (CH4) emissions from Industrial Combustion (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.