Total 2,392,995 scientists, country 221, and institutions 24,455 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 26
HIV
Tuberculosis
Cryptococcosis
Immune Reconstitution Inflammatory Syndrome
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
301
243
0.807
* Total i10 IndexRankings
Ranking Based On Selection: 27
HIV
tuberculosis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
299
222
0.742
* Total i10 IndexRankings
Ranking Based On Selection: 28
HIV
infectious diseases
children
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
293
183
0.625
* Total i10 IndexRankings
Ranking Based On Selection: 29
Urology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
291
39
0.134
* Total i10 IndexRankings
Ranking Based On Selection: 30
Nutrition
Metabolism
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
290
281
0.969
* Total i10 IndexRankings
Ranking Based On Selection: 31
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
288
97
0.337
* Total i10 IndexRankings
Ranking Based On Selection: 32
Health Economics
Public Health
Health Policy and Systems Research
Pharmaco-economics
Pharmaco-epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
287
212
0.739
* Total i10 IndexRankings
Ranking Based On Selection: 33
Stroke
Neurorehabilitation
Neurogenetics
Non-communicable diseases
Population health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
283
240
0.848
* Total i10 IndexRankings
Ranking Based On Selection: 34
Ticks
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
275
84
0.305
* Total i10 IndexRankings
Ranking Based On Selection: 35
community-acquired pneumonia
pneumococcus
respiratory tract infections
virulence factors
human ciliated epithelium
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
272
152
0.559
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* Total i10 IndexRankings
Ranking Based On Selection: 36
Bioinformatics
Genomics
Phylogenetics
Viruses
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
267
215
0.805
* Total i10 IndexRankings
Ranking Based On Selection: 37
Pharmacognosy
isolation and identification of biologically active leads from natural sources
microbial metabolism and semisyn
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
261
165
0.632
* Total i10 IndexRankings
Ranking Based On Selection: 38
Virology
virus evolution
genetic recombination
geminiviruses
sequence analysis software
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
259
190
0.734
* Total i10 IndexRankings
Ranking Based On Selection: 39
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
257
50
0.195
* Total i10 IndexRankings
Ranking Based On Selection: 40
Microbiology
lactic acid bacteria
antimicrobial peptides
bacteriocins
probiotics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
255
180
0.706
* Total i10 IndexRankings
Ranking Based On Selection: 41
Targeted Drug Delivery
Nanomedicines
Stimuli-Responsive Biomaterials
Molecular Pharma-Engineered Regenerative Medicines
Drug
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
252
188
0.746
* Total i10 IndexRankings
Ranking Based On Selection: 42
Genetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
252
49
0.194
* Total i10 IndexRankings
Ranking Based On Selection: 43
Epidemiology and Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
251
147
0.586
* Total i10 IndexRankings
Ranking Based On Selection: 44
Malaria research
clinical trials
infectious diseases epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
250
200
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 45
Biochemistry and Molecular Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
248
166
0.669
* Total i10 IndexRankings
Ranking Based On Selection: 46
virology
immunology
host/pathogen interactions
vaccines
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
241
169
0.701
* Total i10 IndexRankings
Ranking Based On Selection: 47
Biochemical & Molecular Toxicology
Chemoprevention
Nutrigenomics
Signal Transduction Mechanisms
Antioxidant Redox Mechanisms
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
239
187
0.782
* Total i10 IndexRankings
Ranking Based On Selection: 48
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
238
169
0.710
* Total i10 IndexRankings
Ranking Based On Selection: 49
Tuberculosis
Immunology
Biomarkers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
234
196
0.838
* Total i10 IndexRankings
Ranking Based On Selection: 50
erythrocytes
fibrinogen
platelets
coagulation
long covid
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
230
162
0.704
Graeme Meintjes
University of Cape Town
Cape Town, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
301
243
0.807
HIV
Tuberculosis
Cryptococcosis
Immune Reconstitution Inflammatory Syndrome
Gary Maartens
University of Cape Town
Cape Town, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
299
222
0.742
Mark Cotton
Stellenbosch University
Stellenbosch, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
293
183
0.625
HIV
infectious diseases
children
Ahmed Shafik
Cairo University
Giza, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
291
39
0.134
Mahmoud Alagawany
Zagazig University
Sharqia, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
290
281
0.969
Nutrition
Metabolism
Ryo Takahashi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
288
97
0.337
Obinna E. Onwujekwe
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
287
212
0.739
Health Economics
Public Health
Health Policy and Systems Research
Pharmaco-economics
Pharmaco-epidemiology
Mayowa Owolabi
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
283
240
0.848
Stroke
Neurorehabilitation
Neurogenetics
Non-communicable diseases
Population health
Ivan Horak
University of Pretoria
Pretoria, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
275
84
0.305
Charles Feldman
University of the Witwatersrand
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
272
152
0.559
community-acquired pneumonia
pneumococcus
respiratory tract infections
virulence factors
human ciliated epithelium
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Tulio De Oliveira
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
267
215
0.805
Bioinformatics
Genomics
Phylogenetics
Viruses
Safwat A Ahmed
Suez Canal University
Ismailia, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
261
165
0.632
Pharmacognosy
isolation and identification of biologically active leads from natural sources
microbial metabolism and semisyn
Darren Martin
University of Cape Town
Cape Town, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
259
190
0.734
Virology
virus evolution
genetic recombination
geminiviruses
sequence analysis software
G. Gade
University of Cape Town
Cape Town, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
257
50
0.195
Leon MT Dicks
Stellenbosch University
Stellenbosch, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
255
180
0.706
Microbiology
lactic acid bacteria
antimicrobial peptides
bacteriocins
probiotics
Yahya E. Choonara
University of the Witwatersrand
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
252
188
0.746
Targeted Drug Delivery
Nanomedicines
Stimuli-Responsive Biomaterials
Molecular Pharma-Engineered Regenerative Medicines
Drug
Peter Beighton
University of Cape Town
Cape Town, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
252
49
0.194
Adamson Muula
University of Malawi
Zomba, Malawi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
251
147
0.586
Epidemiology and Public Health
Seth Owusu Agyei
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
250
200
0.800
Malaria research
clinical trials
infectious diseases epidemiology
Olfat Shaker
Cairo University
Giza, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
248
166
0.669
Biochemistry and Molecular Biology
Thumbi Ndung'U
Africa Health Research Institute
Somkhele, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
241
169
0.701
virology
immunology
host/pathogen interactions
vaccines
Olatunde Farombi
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
239
187
0.782
Biochemical & Molecular Toxicology
Chemoprevention
Nutrigenomics
Signal Transduction Mechanisms
Antioxidant Redox Mechanisms
Laila Ahmed Rashed
Cairo University
Giza, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
238
169
0.710
Gerhard Walzl
Stellenbosch University
Stellenbosch, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
234
196
0.838
Tuberculosis
Immunology
Biomarkers
Etheresia Pretorius
Stellenbosch University
Stellenbosch, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
230
162
0.704
erythrocytes
fibrinogen
platelets
coagulation
long covid