Afghanistan vs Sierra Leone: Number of clinical trials

Afghanistan
2
in 2022
Sierra Leone
2
in 2024
Afghanistan rank
108th
Sierra Leone rank
108th

Number of clinical trials over time

  • Afghanistan
  • Sierra Leone
02468200420142024

How they compare

Afghanistan currently reports 2 against 2 in Sierra Leone, a difference of 0.

The two have swapped places 6 times across 7 shared years of data; in 2007 it was Sierra Leone ahead.

Afghanistan ranks 108th and Sierra Leone ranks 108th of 153 countries.

Across the 3 decades both report, Afghanistan averaged higher in 1 and Sierra Leone in 1.

Head to head by decade

Decade Afghanistan Sierra Leone Difference Ahead
2000s 1 1 0
2010s 2.67 1.67 1 Afghanistan
2020s 2 2.33 0.3333 Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of clinical trials, Afghanistan or Sierra Leone?
Afghanistan, at 2 against 2 in Sierra Leone as of 2022.
What is the difference in number of clinical trials between Afghanistan and Sierra Leone?
0, with Afghanistan ahead.
How many years of comparable data are there for Afghanistan and Sierra Leone?
7 years are reported by both, from 2007 to 2022.
How do Afghanistan and Sierra Leone rank globally for number of clinical trials?
Afghanistan ranks 108th and Sierra Leone ranks 108th of 153 countries.
Where does this data come from?
Our World in Data, published as Number of clinical trials. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Afghanistan vs Sierra Leone: Number of clinical trials. Statizoid, drawing on Our World in Data. Retrieved 22 August 2026, from https://reference.statizoid.com/compare/number-of-clinical-trials/afghanistan/sierra-leone/

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About this data

Indicator
Number of clinical trials
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
153 places, 2,621 data points, 2000–2024
Last refreshed