Rwanda vs Samoa: Pm exposure 1990 2017, per square kilometre

Rwanda
0.0015 units per square kilometre
in 2023
Samoa
0.0016 units per square kilometre
in 2023
Rwanda rank
43rd
Samoa rank
42nd

Pm exposure 1990 2017, per square kilometre over time

  • Rwanda
  • Samoa
00.0010.0010.0020.002199020062023

How they compare

Samoa currently reports 0.0016 units per square kilometre against 0.0015 units per square kilometre in Rwanda, a difference of 0.0001 units per square kilometre.

That makes Samoa's figure about 1.1 times Rwanda's.

The two have swapped places 6 times across 34 shared years of data; in 1990 it was Samoa ahead.

Rwanda ranks 43rd and Samoa ranks 42nd of 200 countries.

Samoa has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade Rwanda Samoa Difference Ahead
1990s 0.0015 units per square kilometre 0.0017 units per square kilometre 0.0002 units per square kilometre Samoa
2000s 0.0015 units per square kilometre 0.0018 units per square kilometre 0.0002 units per square kilometre Samoa
2010s 0.0015 units per square kilometre 0.0016 units per square kilometre 0.0001 units per square kilometre Samoa
2020s 0.0015 units per square kilometre 0.0016 units per square kilometre 0.0001 units per square kilometre Samoa

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pm exposure 1990 2017, per square kilometre, Rwanda or Samoa?
Samoa, at 0.0016 units per square kilometre against 0.0015 units per square kilometre in Rwanda as of 2023.
What is the difference in pm exposure 1990 2017, per square kilometre between Rwanda and Samoa?
0.0001 units per square kilometre, with Samoa ahead.
How many years of comparable data are there for Rwanda and Samoa?
34 years are reported by both, from 1990 to 2023.
How do Rwanda and Samoa rank globally for pm exposure 1990 2017, per square kilometre?
Rwanda ranks 43rd and Samoa ranks 42nd of 200 countries.
Where does this data come from?
Statizoid (derived), published as Pm exposure 1990 2017, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Rwanda vs Samoa: Pm exposure 1990 2017, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 14 November 2026, from https://reference.statizoid.com/compare/pm-exposure-1990-2017-per-square-kilometre/rwanda/samoa/

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About this data

Indicator
Pm exposure 1990 2017, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
200 places, 6,650 data points, 1990–2023
Last refreshed

Pm exposure 1990 2017 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.