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

Gambia
39.6
in 2023
Sierra Leone
35.26
in 2023
Gambia rank
19th
Sierra Leone rank
21st

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

  • Gambia
  • Sierra Leone
010203040201020162023

How they compare

Gambia currently reports 39.6 against 35.26 in Sierra Leone, a difference of 4.34.

That makes Gambia's figure about 1.1 times Sierra Leone's.

Across all 14 years both countries report, Gambia has been ahead every year.

Gambia ranks 19th and Sierra Leone ranks 21st of 254 countries.

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

Head to head by decade

Decade Gambia Sierra Leone Difference Ahead
2010s 38.54 33.63 4.91 Gambia
2020s 40.49 34.05 6.44 Gambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual mean levels of fine particulate matter (population-weighted), Gambia or Sierra Leone?
Gambia, at 39.6 against 35.26 in Sierra Leone as of 2023.
What is the difference in annual mean levels of fine particulate matter (population-weighted) between Gambia and Sierra Leone?
4.34, with Gambia ahead.
How many years of comparable data are there for Gambia and Sierra Leone?
14 years are reported by both, from 2010 to 2023.
How do Gambia and Sierra Leone rank globally for annual mean levels of fine particulate matter (population-weighted)?
Gambia ranks 19th and Sierra Leone ranks 21st 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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Gambia vs Sierra Leone: Annual mean levels of fine particulate matter (population-weighted). Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 13 September 2026, from https://development-goals.statizoid.com/compare/annual-mean-levels-of-fine-particulate-matter-population-weighted-by-location-micrograms/gambia-the/sierra-leone/

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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