Puerto Rico's Top 2% Scientists 2021: Career-Long List
Puerto Rico has 20 scientists on the 2021 career-long Top 2% list, down 4.8% from 21 in 2020. That places Puerto Rico 76th in the world by number of listed scientists, down 7 places. Universidad de Puerto Rico has the most listed scientists (9), followed by Centers for Disease Control and Prevention San Juan (3).
Scientists in Puerto Rico on the list, by year
The career-long count has fallen 5% since 2020.
Show the numbers
| Year | Single Year | Change | Career Data | Change |
|---|---|---|---|---|
| 2020 | 12 | 21 | ||
| 2021 | 17 | +41.7% | 20 | -4.8% |
| 2022 | 19 | +11.8% | 29 | +45.0% |
| 2023 | 17 | -10.5% | 27 | -6.9% |
| 2024 | 24 | +41.2% | 35 | +29.6% |
| 2025 | 30 | +25.0% | 44 | +25.7% |
Institutes in Puerto Rico
By number of listed scientists
Show the list
- 1Universidad de Puerto Rico9
- 2Centers for Disease Control and Prevention San Juan3
- 3Universidad de Puerto Rico, Recinto de Rio Piedras2
- 4University of Puerto Rico, Medical Sciences Campus2
- 5University of Puerto Rico School of Medicine2
- 6Arecibo Observatory1
- 7USDA Forest Service International Institute of Tropical Forestry1
All 20 scientists
| Rank in Puerto Rico | World rank | Scientist | Institute | Sub-field | Rank in sub-field |
|---|---|---|---|---|---|
| 1 | 9,160 | USDA Forest Service International Institute of Tropical Forestry | Ecology | Rank 170 | |
| 2 | 10,435 | Universidad de Puerto Rico | Organic Chemistry | Rank 223 | |
| 3 | 12,757 | University of Puerto Rico School of Medicine | Neurology & Neurosurgery | Rank 1,079 | |
| 4 | 25,591 | Universidad de Puerto Rico | Oncology & Carcinogenesis | Rank 1,177 | |
| 5 | 28,033 | Universidad de Puerto Rico, Recinto de Rio Piedras | Ecology | Rank 478 | |
| 6 | 32,988 | Universidad de Puerto Rico | Psychiatry | Rank 747 | |
| 7 | 33,306 | Centers for Disease Control and Prevention San Juan | Virology | Rank 255 | |
| 8 | 35,045 |
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Universidad de Puerto Rico | Chemical Physics | Rank 793 |
| 9 | 36,042 | University of Puerto Rico School of Medicine | Rehabilitation | Rank 50 | |
| 10 | 74,199 | Universidad de Puerto Rico | Ecology | Rank 1,182 | |
| 11 | 82,434 | Arecibo Observatory | Meteorology & Atmospheric Sciences | Rank 1,230 | |
| 12 | 90,796 | Universidad de Puerto Rico | Cardiovascular System & Hematology | Rank 3,025 | |
| 13 | 93,865 | Universidad de Puerto Rico | Organic Chemistry | Rank 1,699 | |
| 14 | 104,985 | University of Puerto Rico, Medical Sciences Campus | General & Internal Medicine | Rank 1,124 | |
| 15 | 124,887 | Centers for Disease Control and Prevention San Juan | Tropical Medicine | Rank 302 | |
| 16 | 130,333 | Universidad de Puerto Rico | Family Studies | Rank 51 | |
| 17 | 130,496 | Universidad de Puerto Rico | Mycology & Parasitology | Rank 295 | |
| 18 | 153,838 | Centers for Disease Control and Prevention San Juan | Tropical Medicine | Rank 380 | |
| 19 | 213,667 | Universidad de Puerto Rico, Recinto de Rio Piedras | Pharmacology & Pharmacy | Rank 2,222 | |
| 20 | 327,563 | University of Puerto Rico, Medical Sciences Campus | General & Internal Medicine | Rank 3,691 | |
| No scientists match this filter. | |||||
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Frequently asked questions
How many scientists from Puerto Rico are in the 2021 Stanford Top 2% list?
17 scientists affiliated with Puerto Rico are on the 2021 single-year list, and 20 are on the career-long list.
Which institute in Puerto Rico has the most Top 2% scientists?
On the 2021 career-long list, Universidad de Puerto Rico has the most listed scientists from Puerto Rico, with 9. It is followed by Centers for Disease Control and Prevention San Juan with 3.
How has the number of Top 2% scientists in Puerto Rico changed since 2020?
On the career-long list, Puerto Rico went from 21 scientists in 2020 to 20 in 2021, a change of -4.8%.
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.