Total 2,424,675 scientists, country 221, and institutions 24,468 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
![Obinna E. Onwujekwe](https://cdn.adscientificindex.com/pictures/fa/96046.jpg)
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: 2
![Olayinka Stephen Ilesanmi](https://cdn.adscientificindex.com/pictures/53/96308.jpg)
Health Policy and Management
Infection Prevention and Control
Disease Prevention and Control
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
197
186
0.944
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Benjamin Uzochukwu](https://cdn.adscientificindex.com/pictures/b1/104976.jpg)
Public Health
Health Systems and Policy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
176
130
0.739
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Adeniyi Francis Fagbamigbe|A. F. Fagbamigbe, A Fagbamigbe, A. F. Adeniyi](https://cdn.adscientificindex.com/pictures/3c/102532.jpg)
Medical Statistics
Health Data Science
Monitoring and Evaluation
Spatial Statistics
Public
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
134
123
0.918
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Fawole O](https://cdn.adscientificindex.com/pictures/a5/97587.jpg)
Gender-based Violence and Women/Girls Empowerment
Epidemic Preparedness and Response
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
70
0.686
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Joshua Odunayo Akinyemi](https://cdn.adscientificindex.com/pictures/2a/100481.jpg)
Medical Statistics
Demography
Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
85
0.867
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Adesegun Fatusi](https://cdn.adscientificindex.com/pictures/51/102559.jpg)
Adolescent Health
Sexual
Reproductive & Maternal Health
Health Policy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
56
0.659
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Simeon Cadmus](/user/assets/images/profile/no-profile-photo.png)
Public Health
Zoonoses
Human-Animal-Wildlife-Ecosystem Interface
Tuberculosis
Zoonotic TB
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
50
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Olufemi David Olaleye](/user/assets/images/profile/no-profile-photo.png)
Virology
infectious diseases
epidemiology
public health
zoonosis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
37
0.493
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Yusuff Adebayo Adebisi|Adebisi Yusuff Adebayo, Adebisi YA](https://cdn.adscientificindex.com/pictures/12/92510.jpg)
Epidemiology
Global Health
Health Systems
Health Inequity
Population Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
70
0.986
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Kemi Odukoya](https://cdn.adscientificindex.com/pictures/13/100890.jpg)
Cancers
heart disease
behavioural risk factors
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
56
0.789
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Muawiyyah Babale Sufiyan](https://cdn.adscientificindex.com/pictures/df/4324735.jpg)
Public health
Global health
Epidemiology
Maternal and Child Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
55
0.932
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Magbagbeola David Dairo|David Magbagbeola Dairo, Magbagbeola Dairo, David Dairo](https://cdn.adscientificindex.com/pictures/75/92820.jpg)
Epidemiology
infectious diseases
public health surveillance
adolescent health and sexuality
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
37
0.685
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Olumuyiwa Odusanya](https://cdn.adscientificindex.com/pictures/c3/96399.jpg)
public health
clinical trials
rational drug use
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
35
0.648
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Chinyere Mbachu](https://cdn.adscientificindex.com/pictures/b1/105647.jpg)
Health policy and systems research
public health
political economy analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
44
0.880
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Kikelomo Ololade Wright](https://cdn.adscientificindex.com/pictures/b7/101114.jpg)
Medicine
Public Health (Reproductive Health)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
40
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Angela E. Oyo-Ita](/user/assets/images/profile/no-profile-photo.png)
Maternal and Child Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
33
0.660
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Muktar Gadanya|Muktar Ahmed Gadanya, MA Gadanya, Muktar A. Gadanya](https://cdn.adscientificindex.com/pictures/a7/5275603.jpg)
RMNCH
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
49
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Oyetunde Oyeyemi](https://cdn.adscientificindex.com/pictures/fe/88575.jpg)
Tropical Medicine
Parasitology
Neglected Tropical Diseases
Schistosomiasis
Malaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
43
0.878
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Emmanuel Nwabueze Aguwa](https://cdn.adscientificindex.com/pictures/8a/97099.jpg)
Occupational health
Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
33
0.673
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Olalekan Adebimpe](https://cdn.adscientificindex.com/pictures/f8/96233.jpg)
Epidemiology
Public health
Sexual and reproductive health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
35
0.729
* Total i10 IndexRankings
Ranking Based On Selection: 22
![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: 23
![Sunday Adedeji Aderibigbe](https://cdn.adscientificindex.com/pictures/be/91050.jpg)
Reproductive Health
Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
32
0.696
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Monsuru Adeleke](/user/assets/images/profile/no-profile-photo.png)
entomology
parasitology
molecular biology
public health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
24
0.522
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Aliyu Ahmad](https://cdn.adscientificindex.com/pictures/4a/103573.jpg)
Real Estate and Facilities Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
34
0.756
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
Olayinka Stephen Ilesanmi
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
197
186
0.944
Health Policy and Management
Infection Prevention and Control
Disease Prevention and Control
Benjamin Uzochukwu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
176
130
0.739
Public Health
Health Systems and Policy
Adeniyi Francis Fagbamigbe|A. F. Fagbamigbe, A Fagbamigbe, A. F. Adeniyi
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
134
123
0.918
Medical Statistics
Health Data Science
Monitoring and Evaluation
Spatial Statistics
Public
Fawole O
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
70
0.686
Gender-based Violence and Women/Girls Empowerment
Epidemic Preparedness and Response
Joshua Odunayo Akinyemi
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
85
0.867
Medical Statistics
Demography
Public Health
Adesegun Fatusi
Obafemi Awolowo University
Ile Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
56
0.659
Adolescent Health
Sexual
Reproductive & Maternal Health
Health Policy
Simeon Cadmus
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
50
0.667
Public Health
Zoonoses
Human-Animal-Wildlife-Ecosystem Interface
Tuberculosis
Zoonotic TB
Olufemi David Olaleye
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
37
0.493
Virology
infectious diseases
epidemiology
public health
zoonosis
Yusuff Adebayo Adebisi|Adebisi Yusuff Adebayo, Adebisi YA
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
70
0.986
Epidemiology
Global Health
Health Systems
Health Inequity
Population Health
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Kemi Odukoya
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
56
0.789
Cancers
heart disease
behavioural risk factors
Muawiyyah Babale Sufiyan
Ahmadu Bello University
Zaria, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
55
0.932
Public health
Global health
Epidemiology
Maternal and Child Health
Magbagbeola David Dairo|David Magbagbeola Dairo, Magbagbeola Dairo, David Dairo
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
37
0.685
Epidemiology
infectious diseases
public health surveillance
adolescent health and sexuality
Olumuyiwa Odusanya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
35
0.648
public health
clinical trials
rational drug use
Chinyere Mbachu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
44
0.880
Health policy and systems research
public health
political economy analysis
Kikelomo Ololade Wright
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
40
0.800
Medicine
Public Health (Reproductive Health)
Angela E. Oyo-Ita
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
33
0.660
Maternal and Child Health
Muktar Gadanya|Muktar Ahmed Gadanya, MA Gadanya, Muktar A. Gadanya
Bayero University
Gwarzo Road, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
49
1.000
Oyetunde Oyeyemi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
43
0.878
Tropical Medicine
Parasitology
Neglected Tropical Diseases
Schistosomiasis
Malaria
Emmanuel Nwabueze Aguwa
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
33
0.673
Occupational health
Epidemiology
Olalekan Adebimpe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
35
0.729
Epidemiology
Public health
Sexual and reproductive health
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
Sunday Adedeji Aderibigbe
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
32
0.696
Reproductive Health
Nutrition
Monsuru Adeleke
Osun State University
Oshogbo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
24
0.522
entomology
parasitology
molecular biology
public health
Aliyu Ahmad
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
34
0.756
Real Estate and Facilities Management