Total 2,403,032 scientists, country 221, and institutions 24,466 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: 1
![Oche Agbaji](https://cdn.adscientificindex.com/pictures/36/4991079.jpg)
Nephrology and HIV Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
79
46
0.582
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Emmanuel Idoko Agaba](https://cdn.adscientificindex.com/pictures/11/97085.jpg)
Chronic Kidney Disease
Diabetic Nephropathy
Dialysis
HIV/AIDS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
72
39
0.542
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Patricia A Agaba](https://cdn.adscientificindex.com/pictures/09/88624.jpg)
HIV & Family Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
41
0.661
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Etannibi Alemika](https://cdn.adscientificindex.com/pictures/b4/97316.jpg)
Criminology
policing
democratic elections
conflict
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
27
0.450
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Stephen Oguche](/user/assets/images/profile/no-profile-photo.png)
paediatrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
40
0.702
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Jonah Musa](https://cdn.adscientificindex.com/pictures/54/5275585.jpg)
Obstetrics and Gynaecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
33
0.673
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Ayuba Ibrahim Zoakah|Ayuba Zoakah](https://cdn.adscientificindex.com/pictures/5d/104608.jpg)
Clinical Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
35
0.729
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Ndidi C. Ngwuluka](https://cdn.adscientificindex.com/pictures/97/95648.jpg)
Drug Delivery
Natural polymers
Nanotechnology
Dissolutions
Bioequivalence
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
26
0.703
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Kenneth Ikenna Onyedibe](https://cdn.adscientificindex.com/pictures/dc/1541770.jpg)
Antibiotic Resistance
Infection Control
Drug Discovery
Emerging Pathogens
Immune Signaling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
32
0.889
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Asinamai Athliamai Bitrus](https://cdn.adscientificindex.com/pictures/47/5794613.jpg)
One-Health
Bacteriology
Epidemiology
AMR
Biorisk Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
24
0.667
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Paul Amaza](https://cdn.adscientificindex.com/pictures/09/88682.jpg)
Food Security
Agricultural Policy
Agricultural Productivity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
23
0.639
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Augustine Ebonyi](https://cdn.adscientificindex.com/pictures/6f/104449.jpg)
Paediatric Infectious Diseases
Epidemiology
Tuberculosis
HIV
Malaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
26
0.743
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Abraham Orkurga Malu](https://cdn.adscientificindex.com/pictures/eb/4991078.jpg)
Internal Medicine
Gastroenterology
Hepatology
Hepatitis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
23
0.697
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Christopher Sabo Yilgwan](https://cdn.adscientificindex.com/pictures/7a/105688.jpg)
Cardiovascular Health
Child and Newborn Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
26
0.839
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Adeyi Adoga](https://cdn.adscientificindex.com/pictures/f6/102604.jpg)
Head and Neck Surgery
Head and Neck Oncology
ORL Emergency
General Otolaryngology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
16
0.516
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Ugwu Benjamin](https://cdn.adscientificindex.com/pictures/66/91703.jpg)
General surgery & Cardiothoracic Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
11
0.355
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Asabe Adamu Dzikwi-Emennaa](https://cdn.adscientificindex.com/pictures/59/5794672.jpg)
Epidemiology
Zoonoses
Emerging diseases
Neglected Tropical Diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
19
0.655
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Noel N. Wannang](https://cdn.adscientificindex.com/pictures/45/5794378.jpg)
Pharmacology and Toxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
17
0.586
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Joshua Sunday](https://cdn.adscientificindex.com/pictures/4b/5795395.jpg)
Computational Mathematics & Numerical Analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
16
0.552
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Amaka Ocheke](https://cdn.adscientificindex.com/pictures/4c/103653.jpg)
Reproductive health
infertility
reproductive endocrinology
adolescent gynaecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
23
0.821
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Lugos Md](https://cdn.adscientificindex.com/pictures/0a/92661.jpg)
Haemato-oncology
Immunology
Blood Transfusion Science and infectious diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
11
0.393
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Augustine Zoomsen Sule](https://cdn.adscientificindex.com/pictures/54/5794743.jpg)
General Surgery (Breast/endocrine/colorectal)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
9
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Patrick H. Daru](https://cdn.adscientificindex.com/pictures/f2/5794473.jpg)
Obstetrics and Gynaecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
10
0.400
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Nuhu Dakum](https://cdn.adscientificindex.com/pictures/a7/5795044.jpg)
urology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
9
0.360
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Ganiyu Adeniyi Amusa|Amusa GA, Ganiyu A Amusa, G Amusa](https://cdn.adscientificindex.com/pictures/1e/98025.jpg)
Cardiology/ Internal Medicine/ Cardiovascular and Clinical Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
22
0.917
Oche Agbaji
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
79
46
0.582
Emmanuel Idoko Agaba
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
72
39
0.542
Chronic Kidney Disease
Diabetic Nephropathy
Dialysis
HIV/AIDS
Patricia A Agaba
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
41
0.661
Etannibi Alemika
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
27
0.450
Criminology
policing
democratic elections
conflict
Stephen Oguche
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
40
0.702
Jonah Musa
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
33
0.673
Obstetrics and Gynaecology
Ayuba Ibrahim Zoakah|Ayuba Zoakah
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
35
0.729
Clinical Epidemiology
Ndidi C. Ngwuluka
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
26
0.703
Drug Delivery
Natural polymers
Nanotechnology
Dissolutions
Bioequivalence
Kenneth Ikenna Onyedibe
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
32
0.889
Antibiotic Resistance
Infection Control
Drug Discovery
Emerging Pathogens
Immune Signaling
Asinamai Athliamai Bitrus
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
24
0.667
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Paul Amaza
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
23
0.639
Food Security
Agricultural Policy
Agricultural Productivity
Augustine Ebonyi
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
26
0.743
Paediatric Infectious Diseases
Epidemiology
Tuberculosis
HIV
Malaria
Abraham Orkurga Malu
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
23
0.697
Internal Medicine
Gastroenterology
Hepatology
Hepatitis
Christopher Sabo Yilgwan
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
26
0.839
Adeyi Adoga
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
16
0.516
Head and Neck Surgery
Head and Neck Oncology
ORL Emergency
General Otolaryngology
Ugwu Benjamin
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
11
0.355
General surgery & Cardiothoracic Surgery
Asabe Adamu Dzikwi-Emennaa
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
19
0.655
Epidemiology
Zoonoses
Emerging diseases
Neglected Tropical Diseases
Noel N. Wannang
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
17
0.586
Pharmacology and Toxicology
Joshua Sunday
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
16
0.552
Amaka Ocheke
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
23
0.821
Reproductive health
infertility
reproductive endocrinology
adolescent gynaecology
Lugos Md
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
11
0.393
Haemato-oncology
Immunology
Blood Transfusion Science and infectious diseases
Augustine Zoomsen Sule
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
9
0.333
General Surgery (Breast/endocrine/colorectal)
Patrick H. Daru
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
10
0.400
Obstetrics and Gynaecology
Nuhu Dakum
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
9
0.360
Ganiyu Adeniyi Amusa|Amusa GA, Ganiyu A Amusa, G Amusa
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
22
0.917
Cardiology/ Internal Medicine/ Cardiovascular and Clinical Epidemiology