Liberia vs Yemen: How have things changed?, per square kilometre

Liberia
0.3072 metric tons per square kilometre
in 2023
Yemen
0.2861 metric tons per square kilometre
in 2023
Liberia rank
147th
Yemen rank
149th

How have things changed?, per square kilometre over time

  • Liberia
  • Yemen
00.10.20.30.40.5196519942023

How they compare

Liberia currently reports 0.3072 metric tons per square kilometre against 0.2861 metric tons per square kilometre in Yemen, a difference of 0.0211 metric tons per square kilometre.

That makes Liberia's figure about 1.1 times Yemen's.

The two have swapped places 11 times across 59 shared years of data; in 1965 it was Yemen ahead.

Liberia ranks 147th and Yemen ranks 149th of 215 countries.

Across the 7 decades both report, Liberia averaged higher in 4 and Yemen in 3.

Head to head by decade

Decade Liberia Yemen Difference Ahead
1960s 0.0592 metric tons per square kilometre 0.0496 metric tons per square kilometre 0.0096 metric tons per square kilometre Liberia
1970s 0.1029 metric tons per square kilometre 0.0944 metric tons per square kilometre 0.0085 metric tons per square kilometre Liberia
1980s 0.151 metric tons per square kilometre 0.1312 metric tons per square kilometre 0.0198 metric tons per square kilometre Liberia
1990s 0.0941 metric tons per square kilometre 0.1871 metric tons per square kilometre 0.0931 metric tons per square kilometre Yemen
2000s 0.1161 metric tons per square kilometre 0.3564 metric tons per square kilometre 0.2404 metric tons per square kilometre Yemen
2010s 0.1472 metric tons per square kilometre 0.3271 metric tons per square kilometre 0.1799 metric tons per square kilometre Yemen
2020s 0.3097 metric tons per square kilometre 0.282 metric tons per square kilometre 0.0277 metric tons per square kilometre Liberia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher how have things changed?, per square kilometre, Liberia or Yemen?
Liberia, at 0.3072 metric tons per square kilometre against 0.2861 metric tons per square kilometre in Yemen as of 2023.
What is the difference in how have things changed?, per square kilometre between Liberia and Yemen?
0.0211 metric tons per square kilometre, with Liberia ahead.
How many years of comparable data are there for Liberia and Yemen?
59 years are reported by both, from 1965 to 2023.
How do Liberia and Yemen rank globally for how have things changed?, per square kilometre?
Liberia ranks 147th and Yemen ranks 149th of 215 countries.
Where does this data come from?
Statizoid (derived), published as How have things changed?, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Liberia vs Yemen: How have things changed?, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 28 September 2026, from https://reference.statizoid.com/compare/how-have-things-changed-per-square-kilometre/liberia/yemen-rep/

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About this data

Indicator
How have things changed?, per square kilometre
Unit
metric tons per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
215 places, 11,549 data points, 1965–2023
Last refreshed

How have things changed? 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.