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 :26
Medical and Public Health Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
* Total i10 IndexRankings
Ranking Based On Selection :27
Medical and Public Health Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
* Total i10 IndexRankings
Ranking Based On Selection :28
Nursing science.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
* Total i10 IndexRankings
Ranking Based On Selection :29
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
* Total i10 IndexRankings
Ranking Based On Selection :30
Pulmonology
Critical Care Medicine
Hiv/Aids
Tropical Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
10
0.435
* Total i10 IndexRankings
Ranking Based On Selection :31
International Communication
Organisational Communication
Journalism and Media Studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
9
0.409
* Total i10 IndexRankings
Ranking Based On Selection :32
Macroeconomics
Econometrics and Environmental Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
* Total i10 IndexRankings
Ranking Based On Selection :33
Environmental chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
11
0.524
* Total i10 IndexRankings
Ranking Based On Selection :34
Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
9
0.429
* Total i10 IndexRankings
Ranking Based On Selection :35
Food Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
* Total i10 IndexRankings
Ranking Based On Selection :36
Occupational Health/Reproductive Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
* Total i10 IndexRankings
Ranking Based On Selection :37
Linguistics
Phonology
Phonetics
Language Documentation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
5
0.250
* Total i10 IndexRankings
Ranking Based On Selection :38
Macroeconomics
Applied Econometrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
* Total i10 IndexRankings
Ranking Based On Selection :39
Postharvest technology of food
Alternative protein
Cold plasma
Ultrasound
UV-C & LED irradiation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
18
0.947
* Total i10 IndexRankings
Ranking Based On Selection :40
Construction Resources Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
* Total i10 IndexRankings
Ranking Based On Selection :41
food processing and utilisation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection :42
Organic Chemistry
Medicinal Chemistry
synthesis of novel compounds with bioactivities
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
12
0.632
* Total i10 IndexRankings
Ranking Based On Selection :43
INSTRUCTIONAL DESIGN AND COMMUNICATION
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
11
0.579
* Total i10 IndexRankings
Ranking Based On Selection :44
Pharmaceutics
Drug Delivery
nanotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
11
0.579
* Total i10 IndexRankings
Ranking Based On Selection :45
Materials development
surface finishing engineering and nanotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
7
0.368
* Total i10 IndexRankings
Ranking Based On Selection :46
monetary policy
microfinance
economic growth
financial intermediation
entrepreneurship
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
* Total i10 IndexRankings
Ranking Based On Selection :47
Food Fermentation
Enzymology
Pharmaceutical Microbiology
Single Cell Protein
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :48
cardiothoracic and vascular surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
11
0.611
* Total i10 IndexRankings
Ranking Based On Selection :49
Reproductive health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
10
0.556
* Total i10 IndexRankings
Ranking Based On Selection :50
Food and Industrial Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
Akinjogunla, O. J
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
Medical and Public Health Microbiology
Olajide J Akinjogunla
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
Medical and Public Health Microbiology
Grace E Peters
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
Dubem Isaac Ikediashi
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
Etete James Peters
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
10
0.435
Pulmonology
Critical Care Medicine
Hiv/Aids
Tropical Medicine
Ekeanyanwu Nnamdi Tobechukwu
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
9
0.409
International Communication
Organisational Communication
Journalism and Media Studies
Chuku Chuku
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
Macroeconomics
Econometrics and Environmental Economics
Essien Udosen
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
11
0.524
Emmanuel Onwioduokit
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
9
0.429
Ayobami Oladejo
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
Ofonime Johnson
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
Eno-Abasi Urua
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
5
0.250
Linguistics
Phonology
Phonetics
Language Documentation
Ekpeno Effiong
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
Macroeconomics
Applied Econometrics
Johnson O Esua
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
18
0.947
Postharvest technology of food
Alternative protein
Cold plasma
Ultrasound
UV-C & LED irradiation
Isaac Abiodun Odesola
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
Ufot Evanson Inyang
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
food processing and utilisation
Basil Nse Ita
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
12
0.632
Organic Chemistry
Medicinal Chemistry
synthesis of novel compounds with bioactivities
Paulinus Joseph Etim
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
11
0.579
Clement Linus Jackson
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
11
0.579
Pharmaceutics
Drug Delivery
nanotechnology
Ihom Aondona
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
7
0.368
Materials development
surface finishing engineering and nanotechnology
Ikechukwu Acha
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
monetary policy
microfinance
economic growth
financial intermediation
entrepreneurship
Comfort A. Etok
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Food Fermentation
Enzymology
Pharmaceutical Microbiology
Single Cell Protein
Ekpe Eyo Effiong
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
11
0.611
cardiothoracic and vascular surgery
Augustine Umoh
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
10
0.556
Reproductive health
Comfort Ufot Inyang
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
Food and Industrial Microbiology