Greece vs Portugal: Methane emissions

Greece
9.91 million tonnes of CO₂ equivalents
in 2024
Portugal
10.83 million tonnes of CO₂ equivalents
in 2024
Greece rank
102nd
Portugal rank
99th

Methane emissions over time

  • Greece
  • Portugal
2.5M5.0M7.5M10.0M12.5M15.0M185019372024

How they compare

Portugal currently reports 10.83 million tonnes of CO₂ equivalents against 9.91 million tonnes of CO₂ equivalents in Greece, a difference of 919,600 tonnes of CO₂ equivalents.

That makes Portugal's figure about 1.1 times Greece's.

The two have swapped places 2 times across 175 shared years of data; in 1850 it was Portugal ahead.

Greece ranks 102nd and Portugal ranks 99th of 199 countries.

Across the 18 decades both report, Greece averaged higher in 10 and Portugal in 8.

Head to head by decade

Decade Greece Portugal Difference Ahead
1850s 2.74 million tonnes of CO₂ equivalents 2.95 million tonnes of CO₂ equivalents 211,191 tonnes of CO₂ equivalents Portugal
1860s 3.01 million tonnes of CO₂ equivalents 3.19 million tonnes of CO₂ equivalents 183,268 tonnes of CO₂ equivalents Portugal
1870s 3.32 million tonnes of CO₂ equivalents 3.49 million tonnes of CO₂ equivalents 161,685 tonnes of CO₂ equivalents Portugal
1880s 3.68 million tonnes of CO₂ equivalents 3.81 million tonnes of CO₂ equivalents 137,040 tonnes of CO₂ equivalents Portugal
1890s 4.09 million tonnes of CO₂ equivalents 4.19 million tonnes of CO₂ equivalents 105,527 tonnes of CO₂ equivalents Portugal
1900s 4.46 million tonnes of CO₂ equivalents 4.60 million tonnes of CO₂ equivalents 134,285 tonnes of CO₂ equivalents Portugal
1910s 4.77 million tonnes of CO₂ equivalents 4.86 million tonnes of CO₂ equivalents 96,291 tonnes of CO₂ equivalents Portugal
1920s 5.25 million tonnes of CO₂ equivalents 5.12 million tonnes of CO₂ equivalents 127,936 tonnes of CO₂ equivalents Greece
1930s 5.98 million tonnes of CO₂ equivalents 5.70 million tonnes of CO₂ equivalents 281,758 tonnes of CO₂ equivalents Greece
1940s 7.09 million tonnes of CO₂ equivalents 6.77 million tonnes of CO₂ equivalents 328,119 tonnes of CO₂ equivalents Greece
1950s 8.80 million tonnes of CO₂ equivalents 8.24 million tonnes of CO₂ equivalents 563,487 tonnes of CO₂ equivalents Greece
1960s 10.56 million tonnes of CO₂ equivalents 9.50 million tonnes of CO₂ equivalents 1.06 million tonnes of CO₂ equivalents Greece
1970s 11.89 million tonnes of CO₂ equivalents 10.25 million tonnes of CO₂ equivalents 1.64 million tonnes of CO₂ equivalents Greece
1980s 12.42 million tonnes of CO₂ equivalents 11.27 million tonnes of CO₂ equivalents 1.15 million tonnes of CO₂ equivalents Greece
1990s 13.59 million tonnes of CO₂ equivalents 12.31 million tonnes of CO₂ equivalents 1.28 million tonnes of CO₂ equivalents Greece
2000s 14.62 million tonnes of CO₂ equivalents 11.52 million tonnes of CO₂ equivalents 3.09 million tonnes of CO₂ equivalents Greece
2010s 12.91 million tonnes of CO₂ equivalents 9.76 million tonnes of CO₂ equivalents 3.15 million tonnes of CO₂ equivalents Greece
2020s 10.55 million tonnes of CO₂ equivalents 10.59 million tonnes of CO₂ equivalents 43,260 tonnes of CO₂ equivalents Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane emissions, Greece or Portugal?
Portugal, at 10.83 million tonnes of CO₂ equivalents against 9.91 million tonnes of CO₂ equivalents in Greece as of 2024.
What is the difference in methane emissions between Greece and Portugal?
919,600 tonnes of CO₂ equivalents, with Portugal ahead.
How many years of comparable data are there for Greece and Portugal?
175 years are reported by both, from 1850 to 2024.
How do Greece and Portugal rank globally for methane emissions?
Greece ranks 102nd and Portugal ranks 99th of 199 countries.
Where does this data come from?
Jones et al. (2025) – with major processing by Our World in Data, published as Methane emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Greece vs Portugal: Methane emissions. Statizoid, drawing on Jones et al. (2025) – with major processing by Our World in Data. Retrieved 22 September 2026, from https://climate.statizoid.com/compare/methane-emissions/greece/portugal/

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About this data

Indicator
Methane emissions
Unit
tonnes of CO₂ equivalents
Source
Jones et al. (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
199 places, 34,825 data points, 1850–2024
Last refreshed

Measured in tonnes of carbon dioxide-equivalents over a 100-year timescale.