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
Theoretical and Computational Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
30
1.000
* Total i10 IndexRankings
Ranking Based On Selection :2
Proiected Area Planning and Design
Rural Livelihood
Wildlife Management
Sustainable Development
Conservation Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
23
0.821
* Total i10 IndexRankings
Ranking Based On Selection :3
Environmental chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
11
0.524
* Total i10 IndexRankings
Ranking Based On Selection :4
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 :5
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 :6
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 :7
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 :8
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 :9
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 :10
Food and Industrial Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
* Total i10 IndexRankings
Ranking Based On Selection :11
RESERVOIR ENGINEERING
DRILLING MUD
ENHANCED OIL RECOVERY
GAS CONDENSATE RESERVOIRS
DIGITAL
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total i10 IndexRankings
Ranking Based On Selection :12
Ethnopharmacology
Malaria research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
* Total i10 IndexRankings
Ranking Based On Selection :13
Medical Microbiology
Public Health Microbiology and Microbial Immunology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
8
0.471
* Total i10 IndexRankings
Ranking Based On Selection :14
PHARMACEUTICAL MICROBIOLOGY
NOVEL ANTIMICROBIAL AGENTS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :15
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
8
0.500
* Total i10 IndexRankings
Ranking Based On Selection :16
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
12
0.800
* Total i10 IndexRankings
Ranking Based On Selection :17
Neurophysiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
8
0.533
* Total i10 IndexRankings
Ranking Based On Selection :18
chronic diseases
healthcare management
malaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
6
0.400
* Total i10 IndexRankings
Ranking Based On Selection :19
Biochemical Toxicology/Pharmacology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
6
0.429
* Total i10 IndexRankings
Ranking Based On Selection :20
Agricultural Extension
rural development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
4
0.286
* Total i10 IndexRankings
Ranking Based On Selection :21
Animal Biochemistry & Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Total i10 IndexRankings
Ranking Based On Selection :22
Survey Sampling
Time Series Analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
* Total i10 IndexRankings
Ranking Based On Selection :23
Medical physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
11
0.917
* Total i10 IndexRankings
Ranking Based On Selection :24
Reproductive Health
Epidemiology of Non-Communicable Diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
10
0.833
* Total i10 IndexRankings
Ranking Based On Selection :25
Guidance and Counselling
Family
Marital
and Couples therapy
Counsellor Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
10
0.833
Ituen B. Okon
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
30
1.000
Daniel Etim Jacob
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
23
0.821
Proiected Area Planning and Design
Rural Livelihood
Wildlife Management
Sustainable Development
Conservation Biology
Essien Udosen
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
11
0.524
Ofonime Johnson
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
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
Paulinus Joseph Etim
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
11
0.579
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
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
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
Julius Akpabio
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
RESERVOIR ENGINEERING
DRILLING MUD
ENHANCED OIL RECOVERY
GAS CONDENSATE RESERVOIRS
DIGITAL
Ette Okon Ettebong
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
Anietie Effiong Moses
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
8
0.471
Medical Microbiology
Public Health Microbiology and Microbial Immunology
Chinweizu Ejikeme Udobi
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
PHARMACEUTICAL MICROBIOLOGY
NOVEL ANTIMICROBIAL AGENTS
Alfred Young Itah
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
8
0.500
Eduok, Samuel Ita
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
12
0.800
Koofreh Davies|Davies, K. G
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
8
0.533
Etiobong Etukumana
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
6
0.400
Itoro Usoh
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
6
0.429
Iniobong Aniefiok Akpabio
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
4
0.286
Kolawole Daniel Afolabi
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
Etebong Clement
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
Ernest Akpan|AKPAN EE
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
11
0.917
Uwemedimbuk Ekanem
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
10
0.833
Ime N. George
University of Uyo
Uyo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
10
0.833
Guidance and Counselling
Family
Marital
and Couples therapy
Counsellor Education