Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,299 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Total H Index Rankings

Rankings

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256,200
World Rank
Kenya
128
Country Rank
University of Nairobi Logo
34
University
Ranking Based On Selection:
1
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Pharmacology | Toxicology | Medicinal and Toxic Plants | Drug regulatio

H-Index Metrics

  • H-Index
    30
  • i10 Index
    73
  • Citation Counts
    3,605
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* Total H Index Rankings

Rankings

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291,928
World Rank
Kenya
160
Country Rank
University of Nairobi Logo
48
University
Ranking Based On Selection:
2

H-Index Metrics

  • H-Index
    28
  • i10 Index
    44
  • Citation Counts
    2,368
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* Total H Index Rankings

Rankings

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379,031
World Rank
Kenya
229
Country Rank
University of Nairobi Logo
70
University
Ranking Based On Selection:
3
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Molecular pharmacology & Toxicology | molecular diagnostics and basic biotechnology. Drug and chemical residues analysi

H-Index Metrics

  • H-Index
    24
  • i10 Index
    51
  • Citation Counts
    1,866
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* Total H Index Rankings

Rankings

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396,060
World Rank
Kenya
249
Country Rank
University of Nairobi Logo
80
University
Ranking Based On Selection:
4
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
pharmacology | pharmacogenomics | bioequivalence | HIV | antiretroviral drug

H-Index Metrics

  • H-Index
    23
  • i10 Index
    32
  • Citation Counts
    2,011
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* Total H Index Rankings

Rankings

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418,953
World Rank
Kenya
281
Country Rank
University of Nairobi Logo
96
University
Ranking Based On Selection:
5
* Total H Index Rankings

Rankings

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455,347
World Rank
Kenya
327
Country Rank
University of Nairobi Logo
115
University
Ranking Based On Selection:
6
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Economics | One-health | Antimicrobial resistance | Climate change | Infectious Disease Epidemiolog

H-Index Metrics

  • H-Index
    21
  • i10 Index
    32
  • Citation Counts
    1,232
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* Total H Index Rankings

Rankings

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500,684
World Rank
Kenya
403
Country Rank
University of Nairobi Logo
142
University
Ranking Based On Selection:
7
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Pharmaceutical Analysis | Medicinal Chemistry | Quality Control of Medicines | Phytochemistry

H-Index Metrics

  • H-Index
    20
  • i10 Index
    35
  • Citation Counts
    1,517
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* Total H Index Rankings

Rankings

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573,772
World Rank
Kenya
519
Country Rank
University of Nairobi Logo
184
University
Ranking Based On Selection:
8
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Livestock | Drugs | Herbal Medicines | Pesticides and Toxicant

H-Index Metrics

  • H-Index
    18
  • i10 Index
    26
  • Citation Counts
    986
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* Total H Index Rankings

Rankings

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620,978
World Rank
Kenya
581
Country Rank
University of Nairobi Logo
206
University
Ranking Based On Selection:
9
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
pharmacology | pharmacovigilance | health economic

H-Index Metrics

  • H-Index
    16
  • i10 Index
    25
  • Citation Counts
    1,018
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* Total H Index Rankings

Rankings

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703,428
World Rank
Kenya
744
Country Rank
University of Nairobi Logo
251
University
Ranking Based On Selection:
10
* Total H Index Rankings

Rankings

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724,800
World Rank
Kenya
772
Country Rank
University of Nairobi Logo
257
University
Ranking Based On Selection:
11
* Total H Index Rankings

Rankings

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799,186
World Rank
Kenya
898
Country Rank
University of Nairobi Logo
287
University
Ranking Based On Selection:
12
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Controlled Release | Film Coating | Excipients | Poorly Soluble Drugs | Paediatric Drug Deliver

H-Index Metrics

  • H-Index
    13
  • i10 Index
    13
  • Citation Counts
    1,250
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* Total H Index Rankings

Rankings

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810,554
World Rank
Kenya
912
Country Rank
University of Nairobi Logo
295
University
Ranking Based On Selection:
13

H-Index Metrics

  • H-Index
    13
  • i10 Index
    13
  • Citation Counts
    601
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* Total H Index Rankings

Rankings

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882,091
World Rank
Kenya
1,036
Country Rank
University of Nairobi Logo
326
University
Ranking Based On Selection:
14

H-Index Metrics

  • H-Index
    11
  • i10 Index
    12
  • Citation Counts
    777
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* Total H Index Rankings

Rankings

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1,026,318
World Rank
Kenya
1,351
Country Rank
University of Nairobi Logo
371
University
Ranking Based On Selection:
15
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
paediatric therapeutics | rational antimicrobial us

H-Index Metrics

  • H-Index
    10
  • i10 Index
    10
  • Citation Counts
    390
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* Total H Index Rankings

Rankings

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1,086,783
World Rank
Kenya
1,459
Country Rank
University of Nairobi Logo
389
University
Ranking Based On Selection:
16
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Health economicsClinical Pharmacy | Pharmacy Management | Microbiology and Health Economic

H-Index Metrics

  • H-Index
    9
  • i10 Index
    7
  • Citation Counts
    308
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* Total H Index Rankings

Rankings

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1,123,809
World Rank
Kenya
1,563
Country Rank
University of Nairobi Logo
414
University
Ranking Based On Selection:
17
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Pharmaceutical Analysis | cGMP | Phytochemistr

H-Index Metrics

  • H-Index
    9
  • i10 Index
    9
  • Citation Counts
    252
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* Total H Index Rankings

Rankings

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1,214,425
World Rank
Kenya
1,819
Country Rank
University of Nairobi Logo
462
University
Ranking Based On Selection:
18

H-Index Metrics

  • H-Index
    8
  • i10 Index
    7
  • Citation Counts
    223
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* Total H Index Rankings

Rankings

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1,234,601
World Rank
Kenya
1,896
Country Rank
University of Nairobi Logo
484
University
Ranking Based On Selection:
19
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Clinical medicine | Clinical Pharmacolog

H-Index Metrics

  • H-Index
    8
  • i10 Index
    4
  • Citation Counts
    179
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* Total H Index Rankings

Rankings

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1,607,411
World Rank
Kenya
3,032
Country Rank
University of Nairobi Logo
717
University
Ranking Based On Selection:
20
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Clinical Pharmacy | pharmacogenomics | clinical researc

H-Index Metrics

  • H-Index
    5
  • i10 Index
    3
  • Citation Counts
    116
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* Total H Index Rankings

Rankings

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1,676,673
World Rank
Kenya
3,290
Country Rank
University of Nairobi Logo
755
University
Ranking Based On Selection:
21

H-Index Metrics

  • H-Index
    5
  • i10 Index
    4
  • Citation Counts
    73
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* Total H Index Rankings

Rankings

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1,704,383
World Rank
Kenya
3,469
Country Rank
University of Nairobi Logo
792
University
Ranking Based On Selection:
22
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Pharmacognosy | Ethnopharmacology | Toxicolog

H-Index Metrics

  • H-Index
    5
  • i10 Index
    1
  • Citation Counts
    172
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* Total H Index Rankings

Rankings

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1,901,657
World Rank
Kenya
4,188
Country Rank
University of Nairobi Logo
928
University
Ranking Based On Selection:
23
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Clinical Pharmacology | Nephrology | Kidney Transplantation | Hypertension | HI

H-Index Metrics

  • H-Index
    4
  • i10 Index
    2
  • Citation Counts
    60
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* Total H Index Rankings

Rankings

flag
1,942,462
World Rank
Kenya
4,454
Country Rank
University of Nairobi Logo
984
University
Ranking Based On Selection:
24
* Total H Index Rankings

Rankings

flag
2,174,647
World Rank
Kenya
5,734
Country Rank
University of Nairobi Logo
1,172
University
Ranking Based On Selection:
25
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Lipooligosaccharide synthesis | Natural products chemistry | industrial application of enzyme

H-Index Metrics

  • H-Index
    2
  • i10 Index
    2
  • Citation Counts
    77
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