Costa Rica vs Sierra Leone: Outdoor air pollution exposure
Costa Rica
20.3
in 2024
Sierra Leone
20.2
in 2024
Costa Rica rank
83rd
Sierra Leone rank
84th
Outdoor air pollution exposure over time
- Costa Rica
- Sierra Leone
How they compare
Costa Rica currently reports 20.3 against 20.2 in Sierra Leone, a difference of 0.1.
The two have swapped places 5 times across 27 shared years of data; in 1998 it was Sierra Leone ahead.
Costa Rica ranks 83rd and Sierra Leone ranks 84th of 234 countries.
Across the 4 decades both report, Costa Rica averaged higher in 1 and Sierra Leone in 3.
Head to head by decade
| Decade | Costa Rica | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 15.2 | 25.65 | 10.45 | Sierra Leone |
| 2000s | 16.71 | 20.26 | 3.55 | Sierra Leone |
| 2010s | 18.49 | 19.82 | 1.33 | Sierra Leone |
| 2020s | 18.98 | 18.88 | 0.1 | Costa Rica |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher outdoor air pollution exposure, Costa Rica or Sierra Leone?
- Costa Rica, at 20.3 against 20.2 in Sierra Leone as of 2024.
- What is the difference in outdoor air pollution exposure between Costa Rica and Sierra Leone?
- 0.1, with Costa Rica ahead.
- How many years of comparable data are there for Costa Rica and Sierra Leone?
- 27 years are reported by both, from 1998 to 2024.
- How do Costa Rica and Sierra Leone rank globally for outdoor air pollution exposure?
- Costa Rica ranks 83rd and Sierra Leone ranks 84th of 234 countries.
- Where does this data come from?
- Our World in Data, published as Outdoor air pollution exposure. Statizoid refreshes it automatically from the source and publishes the full history for both places.