Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as Scientists Last 6 Years' i10 Index, Universities Total i10 Index Rankings 2025, Universities Last 6 Years' i10 Index Rankings 2025, Art and Humanities i10 Productivity Rankings, and Social Sciences and Humanities i10 Productivity Rankings.
* Total i10 IndexRankings
Ranking Based On Selection :1
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
588
364
0.619
* Total i10 IndexRankings
Ranking Based On Selection :2
Psychiatry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
433
365
0.843
* Total i10 IndexRankings
Ranking Based On Selection :3
Functional Foods and Nutraceuticals...
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
379
335
0.884
* Total i10 IndexRankings
Ranking Based On Selection :4
Health Economics
Public Health
Health Policy and Systems Research
Pharmaco-economics
Pharmaco-epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
281
220
0.783
* Total i10 IndexRankings
Ranking Based On Selection :5
Stroke
Neurorehabilitation
Neurogenetics
Non-communicable diseases
Population health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
277
247
0.892
* Total i10 IndexRankings
Ranking Based On Selection :6
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
261
91
0.349
* Total i10 IndexRankings
Ranking Based On Selection :7
Biochemical & Molecular Toxicology
Chemoprevention
Nutrigenomics
Signal Transduction Mechanisms
Antioxidant Redox Mechanisms
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
238
201
0.845
* Total i10 IndexRankings
Ranking Based On Selection :8
HIV
adolescent oral health
adolescent sexual and reproductive Health
Bioethics
Community engagement
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
211
182
0.863
* Total i10 IndexRankings
Ranking Based On Selection :9
obstetrics and gynecology
reproductive health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
203
117
0.576
* Total i10 IndexRankings
Ranking Based On Selection :10
Early Childhood Health and Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
198
163
0.823
* Total i10 IndexRankings
Ranking Based On Selection :11
Virology
diagnostics
crop protection
seed health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
195
144
0.738
* Total i10 IndexRankings
Ranking Based On Selection :12
Health Policy and Management
Infection Prevention and Control
Disease Prevention and Control
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
194
185
0.954
* Total i10 IndexRankings
Ranking Based On Selection :13
Biopharmaceutics
Pharmaceutical Microbiology
Biotechnology
Nanomedicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
181
121
0.669
* Total i10 IndexRankings
Ranking Based On Selection :14
Stress Physiology
Chronophysiology
Oxidative Stress Pathophysiology
Environmental Physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
176
98
0.557
* Total i10 IndexRankings
Ranking Based On Selection :15
Public Health
Health Systems and Policy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
171
135
0.789
* Total i10 IndexRankings
Ranking Based On Selection :16
antimicrobial resistance
pathogens
multidrug-resistant pathogens
microbial systematics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
138
0.868
* Total i10 IndexRankings
Ranking Based On Selection :17
Genomics
Infectious Diseases
Bioinformatics
One Health
Genomics Surveillance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
151
104
0.689
* Total i10 IndexRankings
Ranking Based On Selection :18
Ethnopharmacology
Natural Products Pharmacology
Autonomic Pharmacology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
92
0.639
* Total i10 IndexRankings
Ranking Based On Selection :19
Neurology
Neuroscience
Ageing Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
135
0.944
* Total i10 IndexRankings
Ranking Based On Selection :20
Teaching & Research Virologist
Immunologist & Vaccinologist/Molecular Epidemiologist
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
88
0.615
* Total i10 IndexRankings
Ranking Based On Selection :21
Immunology
Infectious Diseases
Rheumatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
138
82
0.594
* Total i10 IndexRankings
Ranking Based On Selection :22
Veterinary pathology
Respiratory pathology
Diagnostic pathology
toxicopathology
One health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
137
94
0.686
* Total i10 IndexRankings
Ranking Based On Selection :23
Reproductive Health
HIV and AIDS
Cervical Cancer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
137
71
0.518
* Total i10 IndexRankings
Ranking Based On Selection :24
Oral & Maxillofacial Surgery
Cleft lip and palate
genomics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
104
0.794
* Total i10 IndexRankings
Ranking Based On Selection :25
Pharmaceutics
drug delivery
nanotechnology/nanomedicines
pharmaceutical microbiology & biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
89
0.679
Luis Miguel Cardoso
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
588
364
0.619
Oye Gureje
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
433
365
0.843
Ganiyu Oboh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
379
335
0.884
Functional Foods and Nutraceuticals...
Obinna E. Onwujekwe
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
281
220
0.783
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
277
247
0.892
Stroke
Neurorehabilitation
Neurogenetics
Non-communicable diseases
Population health
Ryo Takahashi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
261
91
0.349
Olatunde Farombi
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
238
201
0.845
Biochemical & Molecular Toxicology
Chemoprevention
Nutrigenomics
Signal Transduction Mechanisms
Antioxidant Redox Mechanisms
Morenike Oluwatoyin Folayan
Obafemi Awolowo University
Ile-Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
211
182
0.863
HIV
adolescent oral health
adolescent sexual and reproductive Health
Bioethics
Community engagement
Friday Okonofua
University of Benin
Benin City, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
203
117
0.576
obstetrics and gynecology
reproductive health
Bolajoko O. Olusanya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
198
163
0.823
Early Childhood Health and Development
P. Lava Kumar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
195
144
0.738
Virology
diagnostics
crop protection
seed health
Olayinka Stephen Ilesanmi
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
194
185
0.954
Health Policy and Management
Infection Prevention and Control
Disease Prevention and Control
Charles O Esimone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
181
121
0.669
Biopharmaceutics
Pharmaceutical Microbiology
Biotechnology
Nanomedicine
Joseph Olusegun Ayo
Ahmadu Bello University
Zaria, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
176
98
0.557
Stress Physiology
Chronophysiology
Oxidative Stress Pathophysiology
Environmental Physiology
Benjamin Uzochukwu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
171
135
0.789
Public Health
Health Systems and Policy
Etinosa O. Igbinosa
University of Benin
Benin City, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
138
0.868
antimicrobial resistance
pathogens
multidrug-resistant pathogens
microbial systematics
Christian Happi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
151
104
0.689
Genomics
Infectious Diseases
Bioinformatics
One Health
Genomics Surveillance
Peter A. Akah
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
92
0.639
Ethnopharmacology
Natural Products Pharmacology
Autonomic Pharmacology
Rufus Akinyemi
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
135
0.944
Neurology
Neuroscience
Ageing Medicine
Iheanyi Omezuruike Okonko
University of Port Harcourt
Port Harcourt, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
88
0.615
Teaching & Research Virologist
Immunologist & Vaccinologist/Molecular Epidemiologist
Idris Mohammed
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
138
82
0.594
Immunology
Infectious Diseases
Rheumatology
Benjamin O. Emikpe
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
137
94
0.686
Veterinary pathology
Respiratory pathology
Diagnostic pathology
toxicopathology
One health
Isaac Adewole
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
137
71
0.518
Reproductive Health
HIV and AIDS
Cervical Cancer
Wasiu Lanre Adeyemo
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
104
0.794
Oral & Maxillofacial Surgery
Cleft lip and palate
genomics
Anthony Attama
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
89
0.679
Pharmaceutics
drug delivery
nanotechnology/nanomedicines
pharmaceutical microbiology & biotechnology