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
Anesthesia and Intensive care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
40
0.952
* Total i10 IndexRankings
Ranking Based On Selection :2
Anaesthesia R&E
Palliative Care
Pain Management
Implementation Science
e-Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
33
0.917
* Total i10 IndexRankings
Ranking Based On Selection :3
Regional Anaesthesia and Pain Management
Palliative care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
18
0.750
* Total i10 IndexRankings
Ranking Based On Selection :4
obstetric anaesthesia
critical care obstetrics
anaesthetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
6
0.286
* Total i10 IndexRankings
Ranking Based On Selection :5
Paediatric Anaesthesia and Obstetric Anaesthesia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
11
0.550
* Total i10 IndexRankings
Ranking Based On Selection :6
Anaesthesia and Intensive Care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
14
0.875
* Total i10 IndexRankings
Ranking Based On Selection :7
Anaesthesia
intensive care
pain management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
11
0.733
* Total i10 IndexRankings
Ranking Based On Selection :8
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total i10 IndexRankings
Ranking Based On Selection :9
Obstetric anaesthesia
Regional and Pain mgt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 IndexRankings
Ranking Based On Selection :10
Pre-anaesthesia Assessment Clinic
Pain Management
Patient Blood Management/Blood Transfusion
Patient Safety
Critical Care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 IndexRankings
Ranking Based On Selection :11
Anaesthesiology
Pain management
Critical Care Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
* Total i10 IndexRankings
Ranking Based On Selection :12
Anaesthesia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
* Total i10 IndexRankings
Ranking Based On Selection :13
Anaesthesia and critical care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
* Total i10 IndexRankings
Ranking Based On Selection :14
Anaesthesia
Critical care and neuro anesthesia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total i10 IndexRankings
Ranking Based On Selection :15
Anaesthesia and Intensive Care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 IndexRankings
Ranking Based On Selection :16
Intensive care management
Cardiac Anaesthesia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :17
Anaesthesia
Regional Anaesthesia
Pain management
Intensive care
Airway management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :18
Paediatric Anaesthesia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
* Total i10 IndexRankings
Ranking Based On Selection :19
Anaesthesia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :20
Anaesthesia and pain management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :21
Anaesthesia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :22
Anaesthesiology and intensive care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :23
Anaesthesia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :24
Anaesthesia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :25
Anesthesiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Ahmed A. Atia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
40
0.952
Anesthesia and Intensive care
Tonia C Onyeka
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
33
0.917
Anaesthesia R&E
Palliative Care
Pain Management
Implementation Science
e-Health
Israel Kolawole
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
18
0.750
Regional Anaesthesia and Pain Management
Palliative care
Ugochukwu Okafor
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
6
0.286
obstetric anaesthesia
critical care obstetrics
anaesthetics
Olayinka R. Eyelade
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
11
0.550
Paediatric Anaesthesia and Obstetric Anaesthesia
Olanrewaju Oyedepo
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
14
0.875
Anaesthesia and Intensive Care
Sadiq Adamu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
11
0.733
Anaesthesia
intensive care
pain management
Benjamin Olusomi Bolaji
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
Simeon Olugbade Olateju
Obafemi Awolowo University
Ile-Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
Obstetric anaesthesia
Regional and Pain mgt
Saidu Yusuf Yakubu
Ahmadu Bello University
Zaria, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Pre-anaesthesia Assessment Clinic
Pain Management
Patient Blood Management/Blood Transfusion
Patient Safety
Critical Care
Chimaobi Nnaji
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
Anaesthesiology
Pain management
Critical Care Medicine
Queeneth Kalu
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
Mb Adegboye
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
Anaesthesia and critical care
Aghadi Ifeanyi Kene
Kaduna State University
Kaduna, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Anaesthesia
Critical care and neuro anesthesia
Olurotimi Idowu Aaron
Obafemi Awolowo University
Ile-Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Anaesthesia and Intensive Care
Olufemi Ige
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Intensive care management
Cardiac Anaesthesia
Oranusi Ifeatu Ogochukwu|Ifeatu Ogochukwu Onunkwo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Anaesthesia
Regional Anaesthesia
Pain management
Intensive care
Airway management
Alfred Tamunoigbanibo Aggo
University of Port Harcourt
Port Harcourt, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
Paediatric Anaesthesia
Abiodun Jasper|Abiodun Oyinpreye Jasper
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Adediran, Shakirat Omolara
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Anaesthesia and pain management
Ezekiel Ayodeji Emmanuel
Olabisi Onabanjo University
Ago Iwoye, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Mustapha Miko
Bayero University
Gwarzo Road Kano, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Anaesthesiology and intensive care
Amaka Amadi Martha Ozoagu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Emmanuel Ezekiel
Olabisi Onabanjo University
Ago Iwoye, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Ashley Meister
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0