Sierra Leone's Top 2% Scientists 2021
Sierra Leone has 1 scientists on the 2021 single-year Top 2% list, the same number as in 2020. That places Sierra Leone 137th in the world by number of listed scientists, down 4 places. Centers for Disease Control and Prevention has the most listed scientists (1).
Scientists in Sierra Leone on the list, by year
The single-year count is unchanged since 2020.
Show the numbers
| Year | Single Year | Change | Career Data | Change |
|---|---|---|---|---|
| 2020 | 1 | - | ||
| 2021 | 1 | +0.0% | - | |
| 2022 | 1 | +0.0% | 1 | |
| 2023 | 2 | +100.0% | 1 | +0.0% |
| 2024 | 2 | +0.0% | 1 | +0.0% |
| 2025 | 3 | +50.0% | 1 | +0.0% |
Institutes in Sierra Leone
By number of listed scientists
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All 1 scientists
| Rank in Sierra Leone | World rank | Scientist | Institute | Sub-field | Rank in sub-field |
|---|---|---|---|---|---|
| 1 | 315,649 | Centers for Disease Control and Prevention | General & Internal Medicine | Rank 3,002 | |
| No scientists match this filter. | |||||
Countries with a similar count
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Frequently asked questions
How many scientists from Sierra Leone are in the 2021 Stanford Top 2% list?
1 scientists affiliated with Sierra Leone are on the 2021 single-year list.
Which institute in Sierra Leone has the most Top 2% scientists?
On the 2021 single-year list, Centers for Disease Control and Prevention has the most listed scientists from Sierra Leone, with 1.
How has the number of Top 2% scientists in Sierra Leone changed since 2020?
On the single-year list, Sierra Leone went from 1 scientists in 2020 to 1 in 2021, a change of +0.0%.
What is the difference between the single-year and career-long lists?
The single-year list ranks scientists on the citations their work received in one year. The career-long list ranks them on citations across their whole career. Both lists are published every year, and a scientist can be on one, both or neither.
What is the official source of this data?
The rankings come from the science-wide author databases of standardized citation indicators published by Ioannidis et al. in the Elsevier Data Repository, updated every year. TOPSCINET, an independent platform, organises that data by country, year, institute and field, so you can compare and explore it.