Total 2,384,773 scientists, country 221, and institutions 24,456 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
Nephrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
94
76
0.809
* Total i10 IndexRankings
Ranking Based On Selection: 2
Nephrology and hypertension
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
92
54
0.587
* Total i10 IndexRankings
Ranking Based On Selection: 3
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: 4
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: 5
nephrology
electrolyte and acid-base disorders
epidemiology
medical education
e-learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
38
0.613
* Total i10 IndexRankings
Ranking Based On Selection: 6
Nephrology
Cardio-metabolic syndrome
Transplant Science
Clinical Trials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
48
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 7
First interest
Second interest
...Nephrology
dialysis & transplantation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
27
0.474
* Total i10 IndexRankings
Ranking Based On Selection: 8
General Nephrology
Dialysis & Transplantation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
37
0.673
* Total i10 IndexRankings
Ranking Based On Selection: 9
Internal Medicine
Public Health
Diabetes Mellitus
Nephrology
HIV/AIDS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
47
0.959
* Total i10 IndexRankings
Ranking Based On Selection: 10
Epidemiology
population health
nephrology
non-communicable diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
36
0.766
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* Total i10 IndexRankings
Ranking Based On Selection: 11
Nephrology
HIV Medicine
Adolescents
Essential Medicines
Rational Use of Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
33
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 12
Kidney Diseases
Infectious Diseases
Evidence-Based Healthcare
Human Resources for Health
mHealth
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
32
0.727
* Total i10 IndexRankings
Ranking Based On Selection: 13
Nephrology
Internal Medicine
Medical education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
26
0.605
* Total i10 IndexRankings
Ranking Based On Selection: 14
Néphrologie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
27
0.675
* Total i10 IndexRankings
Ranking Based On Selection: 15
General nephrology and dialysis
Diabetes
general medicine
internal medicine
genomics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
26
0.650
* Total i10 IndexRankings
Ranking Based On Selection: 16
Kidney Transplantation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
20
0.526
* Total i10 IndexRankings
Ranking Based On Selection: 17
Nephrology and Hypertension
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
28
0.903
* Total i10 IndexRankings
Ranking Based On Selection: 18
Nephrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
19
0.679
* Total i10 IndexRankings
Ranking Based On Selection: 19
Renal Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
7
0.250
* Total i10 IndexRankings
Ranking Based On Selection: 20
Nephrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
17
0.630
* Total i10 IndexRankings
Ranking Based On Selection: 21
Nephrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
15
0.556
* Total i10 IndexRankings
Ranking Based On Selection: 22
Internal Medicine
Nephrology
Infectious disease
Respiratory Medicine
Health Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
17
0.680
* Total i10 IndexRankings
Ranking Based On Selection: 23
Internal Medicine
Nephrology
Transplantation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
12
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 24
Neuro-immunology
Multiple sclerosis
Epilepsy
cerebrovascular diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
* Total i10 IndexRankings
Ranking Based On Selection: 25
Medicine
Nephrology
Diabetes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
13
0.591
Saraladevi Naicker
University of the Witwatersrand
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
94
76
0.809
Brian Rayner
University of Cape Town
Cape Town, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
92
54
0.587
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
Razeen Davids
Stellenbosch University
Stellenbosch, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
38
0.613
nephrology
electrolyte and acid-base disorders
epidemiology
medical education
e-learning
Ifeoma Ulasi
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
48
0.800
Nephrology
Cardio-metabolic syndrome
Transplant Science
Clinical Trials
Hussein Sheashaa
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
27
0.474
First interest
Second interest
...Nephrology
dialysis & transplantation
Fatiu Arogundade
Obafemi Awolowo University
Ile Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
37
0.673
General Nephrology
Dialysis & Transplantation
Godfrey Mutashambara Rwegerera
University of Botswana
Gaborone, Botswana
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
47
0.959
Internal Medicine
Public Health
Diabetes Mellitus
Nephrology
HIV/AIDS
June Fabian
University of the Witwatersrand
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
36
0.766
Epidemiology
population health
nephrology
non-communicable diseases
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Ndhlovu, Chiratidzo Ellen
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
33
0.750
Nephrology
HIV Medicine
Adolescents
Essential Medicines
Rational Use of Medicine
Emmanuel Effa
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
32
0.727
Kidney Diseases
Infectious Diseases
Evidence-Based Healthcare
Human Resources for Health
mHealth
Olugbenga E. Ayodele *
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
26
0.605
Nephrology
Internal Medicine
Medical education
Ernest Sumaili
Université de Kinshasa
Kinshasa, Congo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
27
0.675
Benjamin Ackon Eghan Jnr
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
26
0.650
General nephrology and dialysis
Diabetes
general medicine
internal medicine
genomics
Ayman Fathi Refaie
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
20
0.526
Nicola Wearne
University of Cape Town
Cape Town, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
28
0.903
Adanze Asinobi
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
19
0.679
Seth Ouna Mcligeyo
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
7
0.250
Aliyu Abdu
Bayero University
Gwarzo Road, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
17
0.630
Chinwuba Ijoma
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
15
0.556
Datonye Dennis Alasia
University of Port Harcourt
Port Harcourt, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
17
0.680
Internal Medicine
Nephrology
Infectious disease
Respiratory Medicine
Health Management
Ahmed Akl
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
12
0.500
Internal Medicine
Nephrology
Transplantation
Ali Mahmoud Ahmed
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
Neuro-immunology
Multiple sclerosis
Epilepsy
cerebrovascular diseases
Nagy Sayed Ahmed
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
13
0.591