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
Surgical Oncology and Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
73
0.811
* Total i10 IndexRankings
Ranking Based On Selection :2
General surgery
minimally invasive surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
60
0.845
* Total i10 IndexRankings
Ranking Based On Selection :3
Breast Cancer
General Surgery
Genetic Epidemiology
Bioethics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
54
0.783
* Total i10 IndexRankings
Ranking Based On Selection :4
Skull base surgery
low-cost surgical innovations for limited-resource practice
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
51
0.810
* Total i10 IndexRankings
Ranking Based On Selection :5
General Surgery
GI/HPB/Endocrine Surgery
Oncology
Laparoscopy/Endoscopy
Medical Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
49
1.000
* Total i10 IndexRankings
Ranking Based On Selection :6
Surgical oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
28
0.667
* Total i10 IndexRankings
Ranking Based On Selection :7
Surgery
Oncology
Bioethics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
22
0.595
* Total i10 IndexRankings
Ranking Based On Selection :8
General Surgery
Surgical Oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
* Total i10 IndexRankings
Ranking Based On Selection :9
gastrointestinal surgery
colorectal cancer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
16
0.516
* Total i10 IndexRankings
Ranking Based On Selection :10
General surgery & Cardiothoracic Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
15
0.484
* Total i10 IndexRankings
Ranking Based On Selection :11
Oncology
Colorectal
Trauma (Abdominal).
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
14
0.452
* Total i10 IndexRankings
Ranking Based On Selection :12
Oncology
Breast
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
21
0.808
* Total i10 IndexRankings
Ranking Based On Selection :13
General Surgery (Breast/endocrine/colorectal)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
10
0.385
* Total i10 IndexRankings
Ranking Based On Selection :14
General Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
11
0.440
* Total i10 IndexRankings
Ranking Based On Selection :15
General Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
* Total i10 IndexRankings
Ranking Based On Selection :16
GENERAL/BREAST SURGERY
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
16
0.667
* Total i10 IndexRankings
Ranking Based On Selection :17
General surgery
surgical oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
10
0.417
* Total i10 IndexRankings
Ranking Based On Selection :18
General Surgery
Colorectal
Breast and Endocrine Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
14
0.609
* Total i10 IndexRankings
Ranking Based On Selection :19
General Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
14
0.636
* Total i10 IndexRankings
Ranking Based On Selection :20
medicine
Urological surgery.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
15
0.714
* Total i10 IndexRankings
Ranking Based On Selection :21
surgical oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
* Total i10 IndexRankings
Ranking Based On Selection :22
breast diseases
Thyroid
gastroenterology
general surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
9
0.500
* Total i10 IndexRankings
Ranking Based On Selection :23
Surgery Tumour Cancer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
6
0.333
* Total i10 IndexRankings
Ranking Based On Selection :24
GENERAL SURGERY
Hepatobiliary and pancreatic Surgery
Surgical Oncology
Transplant Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total i10 IndexRankings
Ranking Based On Selection :25
General Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
2
0.118
Olusegun Alatise
Obafemi Awolowo University
Ile-Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
73
0.811
Surgical Oncology and Gastroenterology
Adewale O Adisa
Obafemi Awolowo University
Ile-Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
60
0.845
General surgery
minimally invasive surgery
Temidayo Ogundiran
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
54
0.783
Breast Cancer
General Surgery
Genetic Epidemiology
Bioethics
Amos Olufemi Adeleye
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
51
0.810
Skull base surgery
low-cost surgical innovations for limited-resource practice
Ademola Adeyeye
Afe Babalola University
Ado-Ekiti, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
49
1.000
General Surgery
GI/HPB/Endocrine Surgery
Oncology
Laparoscopy/Endoscopy
Medical Education
Stanley Anyanwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
28
0.667
Emmanuel Ezeome
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
22
0.595
Surgery
Oncology
Bioethics
Stephen Garba
University of Abuja
Abuja, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
General Surgery
Surgical Oncology
David Irabor
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
16
0.516
gastrointestinal surgery
colorectal cancer
Ugwu Benjamin
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
15
0.484
General surgery & Cardiothoracic Surgery
Maurice Asuquo
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
14
0.452
Oncology
Colorectal
Trauma (Abdominal).
Charles Adeyinka Adisa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
21
0.808
Augustine Zoomsen Sule
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
10
0.385
General Surgery (Breast/endocrine/colorectal)
Emmanuel OJO
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
11
0.440
Olajide Thomas Olagboyega
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
OLUWOLE ATOYEBI
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
16
0.667
Alexander Femi Ale
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
10
0.417
General surgery
surgical oncology
Bata Mtaku Gali|Gali Mtaku Bata, Gali Bata Mtaku, Bata M G
University of Maiduguri
Maiduguri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
14
0.609
General Surgery
Colorectal
Breast and Endocrine Surgery
Adedoyin Adekunle Adesanya
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
14
0.636
Alexander Me Nwofor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
15
0.714
medicine
Urological surgery.
Henry Abiyere
Afe Babalola University
Ado-Ekiti, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
Adetunji Saliu Oguntola
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
9
0.500
breast diseases
Thyroid
gastroenterology
general surgery
Akpan A. Otu
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
6
0.333
Ibrahim Umar Garzali
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
GENERAL SURGERY
Hepatobiliary and pancreatic Surgery
Surgical Oncology
Transplant Surgery
David Olayinka Akinola
Obafemi Awolowo University
Ile-Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
2
0.118