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
![Ita B. Okokon](https://cdn.adscientificindex.com/pictures/20/4479781.jpg)
hospital medicine
geriatrics
occupational medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
9
0.692
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Perpetua Lum Tanyi](https://cdn.adscientificindex.com/pictures/a8/5798604.jpg)
Gerontology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Rachel Uche](https://cdn.adscientificindex.com/pictures/ce/5803586.jpg)
Gerontology
Ageing
Death
Women Issues
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
2
0.400
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Abubakar Yakubu](https://cdn.adscientificindex.com/pictures/55/4833364.jpg)
Gerontology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Chijioke Anyigor-Ogah](https://cdn.adscientificindex.com/pictures/7d/5817134.jpg)
Geriatrics
Endocrine and Reproductive Physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Tolulope Adeniji](https://cdn.adscientificindex.com/pictures/47/4928983.jpg)
Geriatrics Physiotherapy and Health Services Research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Abdulgafar Lekan Olawumi](https://cdn.adscientificindex.com/pictures/1c/5060536.jpg)
Family Medicine
Primary Care
Geriatrics
Lifestyle and Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Oluseye A. Kamaldeen](/user/assets/images/profile/no-profile-photo.png)
Geriatric
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Jejelaye Anthony](https://cdn.adscientificindex.com/pictures/6b/4916891.jpg)
occupational therapy
primary healthcare
geriatrics
disability
rehabilitation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Uduakobong Morgan](https://cdn.adscientificindex.com/pictures/57/5809679.jpg)
Geriatric medicine
lifestyle medicine
adolescent health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Bede Azudialu](/user/assets/images/profile/no-profile-photo.png)
geriatrics
lifestyle medicine
primary care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Asonye Christian Chinedu](https://cdn.adscientificindex.com/pictures/fb/5063668.jpg)
GERONTOLOGY
EMERGENCY CARE NURSING
WOUND AND OSTOMY CARE
NURSING RESEARCH
BURNS CARE
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Victor Fasoranti](/user/assets/images/profile/no-profile-photo.png)
Gerontology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Mannir Kassim Pt, Msc, Pgde (İnview)](https://cdn.adscientificindex.com/pictures/e7/5816218.jpg)
Geriatrics rehabilitation and Exercise Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Ita B. Okokon
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
9
0.692
hospital medicine
geriatrics
occupational medicine
Perpetua Lum Tanyi
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
Rachel Uche
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
2
0.400
Gerontology
Ageing
Death
Women Issues
Abubakar Yakubu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Chijioke Anyigor-Ogah
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Geriatrics
Endocrine and Reproductive Physiology
Tolulope Adeniji
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Geriatrics Physiotherapy and Health Services Research
Abdulgafar Lekan Olawumi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Family Medicine
Primary Care
Geriatrics
Lifestyle and Nutrition
Oluseye A. Kamaldeen
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Jejelaye Anthony
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
occupational therapy
primary healthcare
geriatrics
disability
rehabilitation
Uduakobong Morgan
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Geriatric medicine
lifestyle medicine
adolescent health
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!
Bede Azudialu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
geriatrics
lifestyle medicine
primary care
Asonye Christian Chinedu
Babcock University
Ilishan-Remo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
GERONTOLOGY
EMERGENCY CARE NURSING
WOUND AND OSTOMY CARE
NURSING RESEARCH
BURNS CARE
Victor Fasoranti
Federal University Oye Ekiti Ekiti State
Oye-Ekiti, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Mannir Kassim Pt, Msc, Pgde (İnview)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Geriatrics rehabilitation and Exercise Medicine