Bulgaria's Top 2% Scientists 2020
Bulgaria has 35 scientists on the 2020 single-year Top 2% list. That places Bulgaria 69th in the world by number of listed scientists. Sofia University St. Kliment Ohridski has the most listed scientists (7), followed by Bulgarian Academy of Sciences (5).
Scientists in Bulgaria on the list, by year
Show the numbers
| Year | Single Year | Change | Career Data | Change |
|---|---|---|---|---|
| 2020 | 35 | 50 | ||
| 2021 | 48 | +37.1% | 73 | +46.0% |
| 2022 | 55 | +14.6% | 76 | +4.1% |
| 2023 | 58 | +5.5% | 79 | +3.9% |
| 2024 | 70 | +20.7% | 87 | +10.1% |
| 2025 | 63 | -10.0% | 91 | +4.6% |
Top 10 institutes in Bulgaria
By number of listed scientists
Show the list
- 1Sofia University St. Kliment Ohridski7
- 2Bulgarian Academy of Sciences5
- 3Institute of Organic Chemistry with Centre of Phytochemistry (IOCCP) Bulgarian Academy of Sciences3
- 4University of Chemical Technology and Metallurgy Sofia3
- 5Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”2
- 6Institute of Mathematics and Informatics Bulgarian Academy of Sciences2
- 7Institute of Physical Chemistry Bulgarian Academy of Sciences2
- 8Medical University of Plovdiv2
- 9Medical University of Sofia2
- 10American University in Bulgaria1
All 35 scientists
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Frequently asked questions
How many scientists from Bulgaria are in the 2020 Stanford Top 2% list?
35 scientists affiliated with Bulgaria are on the 2020 single-year list, and 50 are on the career-long list.
Which institute in Bulgaria has the most Top 2% scientists?
On the 2020 single-year list, Sofia University St. Kliment Ohridski has the most listed scientists from Bulgaria, with 7. It is followed by Bulgarian Academy of Sciences with 5.
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.