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
Natural Drug Chemistry
and Pharmaceutical Drug Analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 IndexRankings
Ranking Based On Selection :27
Print Journalism
print/broadcast and new media
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 IndexRankings
Ranking Based On Selection :28
Biology
Integrated science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
* Total i10 IndexRankings
Ranking Based On Selection :29
Renewable Energy (Biofuel)
Chemical kinetics and modeling
Process optimization
Catalysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :30
Natural Product/Medicinal Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :31
Food Science and Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :32
economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :33
Sociology of Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :34
Neuroscience
Neuroendocrinology
Cardiovascular
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :35
Development Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :36
Philosophy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection :37
Pharmacognosy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection :38
Science Education (Chemistry)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
* Total i10 IndexRankings
Ranking Based On Selection :39
High Performance Computing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
0
0.000
* Total i10 IndexRankings
Ranking Based On Selection :40
Management Accounting
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :41
Industrial/Organizational Behavior
Human Resources Management
Positive Psychology
Psychometrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :42
Toxicology
Remediation
Enzymology
Phytochemistry
Soil & Water Analyses.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :43
Accountacy and Finance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :44
Parasitology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :45
Auditing and Forensic Accounting
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :46
Pharmacognosy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection :47
wastewater-based epidemiology
microplastics
Water quality
Metagenomics
Antibiotic resistance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection :48
Anaemia and antioxidants
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection :49
Food chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :50
Unit operations
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Awemu Ga
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
John Chidi Ugwuanyi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Print Journalism
print/broadcast and new media
Benadette Ugochi Chukwuneke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
Chinyere Ezekannagha
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Renewable Energy (Biofuel)
Chemical kinetics and modeling
Process optimization
Catalysis
Ogbiko Cyril
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Ekpeno Ukpong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Food Science and Technology
Chibueze Aniebo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Chukwuemeka Oteh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Samuel Mobisson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Elekwa Paul
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Princewill Alozie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Gina Flor Ramos
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Christiana Nwachukwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
Emmanuel Kamgnia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
0
0.000
Greg Onuora Okoye
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Callistus Chinwuba Ugwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Industrial/Organizational Behavior
Human Resources Management
Positive Psychology
Psychometrics
Chukwuma Chukwuemeka Chukwuma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Toxicology
Remediation
Enzymology
Phytochemistry
Soil & Water Analyses.
Uchechukwu Daniel Abada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Chika Ukanwa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Ewereoke Vitalis N
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Auditing and Forensic Accounting
Felix N Osuala
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
Edith Mbah
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
wastewater-based epidemiology
microplastics
Water quality
Metagenomics
Antibiotic resistance
Beatrice Olatundun Oluwatayo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
Okpalanma Emeka Felix
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Obibuenyi John
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000