Sierra Leone vs Yemen: Annual mean levels of fine particulate matter (population-weighted)

Sierra Leone
35.26
in 2023
Yemen
34.04
in 2023
Sierra Leone rank
21st
Yemen rank
22nd

Annual mean levels of fine particulate matter (population-weighted) over time

  • Sierra Leone
  • Yemen
010203040201020162023

How they compare

Sierra Leone currently reports 35.26 against 34.04 in Yemen, a difference of 1.22.

The two have swapped places 1 time across 14 shared years of data; in 2010 it was Yemen ahead.

Sierra Leone ranks 21st and Yemen ranks 22nd of 254 countries.

Yemen has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Sierra Leone Yemen Difference Ahead
2010s 33.63 36.33 2.7 Yemen
2020s 34.05 35.35 1.3 Yemen

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual mean levels of fine particulate matter (population-weighted), Sierra Leone or Yemen?
Sierra Leone, at 35.26 against 34.04 in Yemen as of 2023.
What is the difference in annual mean levels of fine particulate matter (population-weighted) between Sierra Leone and Yemen?
1.22, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Yemen?
14 years are reported by both, from 2010 to 2023.
How do Sierra Leone and Yemen rank globally for annual mean levels of fine particulate matter (population-weighted)?
Sierra Leone ranks 21st and Yemen ranks 22nd of 254 countries.
Where does this data come from?
United Nations Statistics Division, SDG Global Database, published as Annual mean levels of fine particulate matter (population-weighted), by location (micrograms per cubic meter). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Yemen: Annual mean levels of fine particulate matter (population-weighted). Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 12 September 2026, from https://development-goals.statizoid.com/compare/annual-mean-levels-of-fine-particulate-matter-population-weighted-by-location-micrograms/sierra-leone/yemen-rep/

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About this data

Indicator
Annual mean levels of fine particulate matter (population-weighted), by location (micrograms per cubic meter)
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
291 places, 4,074 data points, 2010–2023
Last refreshed