Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: 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
Infectious Diseases
Toxicology
snake bite envenomination
vaccines
immunology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
73
0.830
* Total i10 IndexRankings
Ranking Based On Selection :2
HIV/AIDS/Antiretroviral therapy
Opportunistic Infections
Community-acquired Pneumonia
Sepsis Syndromes and Malaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
35
0.854
* Total i10 IndexRankings
Ranking Based On Selection :3
Diabetes
Cardiovascular medicine
Epidemiology
Lipids
Telemedicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
24
0.923
* Total i10 IndexRankings
Ranking Based On Selection :4
Internal Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
3
0.130
* Total i10 IndexRankings
Ranking Based On Selection :5
Internal Medicine
Pulmonogy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
7
0.318
* Total i10 IndexRankings
Ranking Based On Selection :6
Internal Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
0
0.000
* Total i10 IndexRankings
Ranking Based On Selection :7
Internal Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
* Total i10 IndexRankings
Ranking Based On Selection :8
General Medicine
Cardiology
Vascular Medicine
Non-communicable Diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 IndexRankings
Ranking Based On Selection :9
Specialist in Endocrinology
Diabetes
Metabolic and HIV Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
* Total i10 IndexRankings
Ranking Based On Selection :10
Internal medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :11
Rheumatology and Internal Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 IndexRankings
Ranking Based On Selection :12
internal medicine
cardiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
* Total i10 IndexRankings
Ranking Based On Selection :13
Addiction
Neuropharmacology
Mental Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :14
Nephrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :15
Internal Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Abdulrazaq G. Habib
Bayero University
Gwarzo Road Kano, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
73
0.830
Infectious Diseases
Toxicology
snake bite envenomination
vaccines
immunology
Michael O. Iroezindu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
35
0.854
HIV/AIDS/Antiretroviral therapy
Opportunistic Infections
Community-acquired Pneumonia
Sepsis Syndromes and Malaria
Michael Adeyemi Olamoyegun
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
24
0.923
Diabetes
Cardiovascular medicine
Epidemiology
Lipids
Telemedicine
JJ Andy
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
3
0.130
Abdullah Abba
Kaduna State University
Kaduna, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
7
0.318
Internal Medicine
Pulmonogy
Edward B. Attah
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
0
0.000
Arthur Ebelenna Anyabolu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
Peter Ekpunobi Chime
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
General Medicine
Cardiology
Vascular Medicine
Non-communicable Diseases
Onyegbutulem Henry Chijioke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
Specialist in Endocrinology
Diabetes
Metabolic and HIV Medicine
Chukwuka Elendu
Babcock University
Ilishan-Remo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Airenakho Emorinken
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Rheumatology and Internal Medicine
Aigbe Fredrick Igben
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
internal medicine
cardiology
Joshua Falade
University of Medical Sciences Ondo
Ondo City, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Addiction
Neuropharmacology
Mental Health
John Chikezie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Sehar Parvez
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000