Sierra Leone's Top 2% Scientists 2023
Sierra Leone has 2 scientists on the 2023 single-year Top 2% list, up 100.0% from 1 in 2022. That places Sierra Leone 134th in the world by number of listed scientists, up 9 places. Centers for Disease Control and Prevention has the most listed scientists (1), followed by Njala University (1).
Scientists in Sierra Leone on the list, by year
The single-year count has more than doubled 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
Show the list
All 2 scientists
| Rank in Sierra Leone | World rank | Scientist | Institute | Sub-field | Rank in sub-field |
|---|---|---|---|---|---|
| 1 | 304,618 | Njala University | Tropical Medicine | Rank 533 | |
| 2 | 414,617 | Centers for Disease Control and Prevention | General & Internal Medicine | Rank 4,629 | |
| No scientists match this filter. | |||||
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Frequently asked questions
How many scientists from Sierra Leone are in the 2023 Stanford Top 2% list?
2 scientists affiliated with Sierra Leone are on the 2023 single-year list, and 1 are on the career-long list.
Which institute in Sierra Leone has the most Top 2% scientists?
On the 2023 single-year list, Centers for Disease Control and Prevention has the most listed scientists from Sierra Leone, with 1. It is followed by Njala University 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 2 in 2023, a change of +100.0%.
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.