Peru vs Sierra Leone: How have things changed?, per square kilometre

Peru
2.83 metric tons per square kilometre
in 2023
Sierra Leone
2.87 metric tons per square kilometre
in 2023
Peru rank
62nd
Sierra Leone rank
61st

How have things changed?, per square kilometre over time

  • Peru
  • Sierra Leone
0246810196519942023

How they compare

Sierra Leone currently reports 2.87 metric tons per square kilometre against 2.83 metric tons per square kilometre in Peru, a difference of 0.04 metric tons per square kilometre.

The two have swapped places 1 time across 59 shared years of data; in 1965 it was Peru ahead.

Peru ranks 62nd and Sierra Leone ranks 61st of 215 countries.

Peru has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade Peru Sierra Leone Difference Ahead
1960s 7.15 metric tons per square kilometre 0.4084 metric tons per square kilometre 6.74 metric tons per square kilometre Peru
1970s 4.02 metric tons per square kilometre 0.7478 metric tons per square kilometre 3.27 metric tons per square kilometre Peru
1980s 3.26 metric tons per square kilometre 0.7116 metric tons per square kilometre 2.55 metric tons per square kilometre Peru
1990s 6.36 metric tons per square kilometre 0.8964 metric tons per square kilometre 5.47 metric tons per square kilometre Peru
2000s 6.36 metric tons per square kilometre 1.78 metric tons per square kilometre 4.58 metric tons per square kilometre Peru
2010s 4.13 metric tons per square kilometre 2.81 metric tons per square kilometre 1.32 metric tons per square kilometre Peru
2020s 4.23 metric tons per square kilometre 2.87 metric tons per square kilometre 1.37 metric tons per square kilometre Peru

Averages of every year both report within each decade.

Frequently asked questions

Which has higher how have things changed?, per square kilometre, Peru or Sierra Leone?
Sierra Leone, at 2.87 metric tons per square kilometre against 2.83 metric tons per square kilometre in Peru as of 2023.
What is the difference in how have things changed?, per square kilometre between Peru and Sierra Leone?
0.04 metric tons per square kilometre, with Sierra Leone ahead.
How many years of comparable data are there for Peru and Sierra Leone?
59 years are reported by both, from 1965 to 2023.
How do Peru and Sierra Leone rank globally for how have things changed?, per square kilometre?
Peru ranks 62nd and Sierra Leone ranks 61st 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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Peru vs Sierra Leone: 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/peru/sierra-leone/

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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.