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
Molecular Spectroscopy
Astrochemistry
Computational chemistry
Physical Chemistry
Thermochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
45
0.849
* Total i10 IndexRankings
Ranking Based On Selection :2
enviromental and nutritional toxicology
climate change
pollution and waste management
biochemical toxicology
biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
29
0.690
* Total i10 IndexRankings
Ranking Based On Selection :3
Medical Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
21
0.808
* Total i10 IndexRankings
Ranking Based On Selection :4
Nutritional Biochemistry
Nanotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
22
0.880
* Total i10 IndexRankings
Ranking Based On Selection :5
Computational Fluid Dynamics
Combustion Theory
Mathematical Modeling & Thermal Analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
15
0.625
* Total i10 IndexRankings
Ranking Based On Selection :6
Peace and Conflict Studies
Security Studies
Development Studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
23
1.000
* Total i10 IndexRankings
Ranking Based On Selection :7
Food/Industrial Microbiology
Biotechnology
Environmental Microbiology
Public health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :8
Public Sector Economics
Energy Economics
Environmental Economics
Applied Macroeconomics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
* Total i10 IndexRankings
Ranking Based On Selection :9
Nutritional toxicology Evaluation of heavy metal contamination in the environment. Medicinal plant and nutrition res
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
* Total i10 IndexRankings
Ranking Based On Selection :10
Biochemistry and Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
* Total i10 IndexRankings
Ranking Based On Selection :11
Electrochemistry: Metal electrodeposition & Applications
Cyclic Voltammetry etc.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
14
0.700
* Total i10 IndexRankings
Ranking Based On Selection :12
High entropy alloys
Metallic Coatings
Additive Manufacturing
Materials Characterization
Corrosion & Electrochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
* Total i10 IndexRankings
Ranking Based On Selection :13
environmental analytical chemistry/ instrumentation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
15
0.789
* Total i10 IndexRankings
Ranking Based On Selection :14
Organic Chemistry
Natural Product Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
15
0.789
* Total i10 IndexRankings
Ranking Based On Selection :15
Pharmacological Biochemistry and Toxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
18
1.000
* Total i10 IndexRankings
Ranking Based On Selection :16
soil
water and air analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
* Total i10 IndexRankings
Ranking Based On Selection :17
Development Administration
Education
Public Policy Analysis
Public Administration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
* Total i10 IndexRankings
Ranking Based On Selection :18
Data Mining
Biometrics
Expert System
Bioinformatics
Machine Learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
14
0.875
* Total i10 IndexRankings
Ranking Based On Selection :19
•General analysis of food
drinks and environmental samples • Research on nutritional composition of indigenous foods. Deve
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
12
0.750
* Total i10 IndexRankings
Ranking Based On Selection :20
Food Biotechnology and Process Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
* Total i10 IndexRankings
Ranking Based On Selection :21
Accounting
Taxation
Finance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
12
0.800
* Total i10 IndexRankings
Ranking Based On Selection :22
Antibiotic Resistance among bacteria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
8
0.533
* Total i10 IndexRankings
Ranking Based On Selection :23
Wastewater Treatment
Resource Recovery
Environmental Studies and Monitoring
Sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
11
0.786
* Total i10 IndexRankings
Ranking Based On Selection :24
Physical Chemistry
Material Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
9
0.643
* Total i10 IndexRankings
Ranking Based On Selection :25
environmental analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
Emmanuel E. Etim
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
45
0.849
Molecular Spectroscopy
Astrochemistry
Computational chemistry
Physical Chemistry
Thermochemistry
Otitoju Olawale
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
29
0.690
enviromental and nutritional toxicology
climate change
pollution and waste management
biochemical toxicology
biochemistry
Chinedu Imo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
21
0.808
Kayode Arowora
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
22
0.880
Philip Olanrewaju
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
15
0.625
Computational Fluid Dynamics
Combustion Theory
Mathematical Modeling & Thermal Analysis
Evans Ayeni|Evans Ayeni
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
23
1.000
Peace and Conflict Studies
Security Studies
Development Studies
Ogodo, Alloysius Chibuike
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Food/Industrial Microbiology
Biotechnology
Environmental Microbiology
Public health
Samson Adeniyi Aladejare|Samson Aladejare, Aladejare Samson Adeniyi, Aladejare Adeniyi Samson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
Public Sector Economics
Energy Economics
Environmental Economics
Applied Macroeconomics
Grace Otitoju
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
Nutritional toxicology Evaluation of heavy metal contamination in the environment. Medicinal plant and nutrition res
Ezeonu Chukwuma Stephen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
Biochemistry and Biotechnology
Andrew Chrysanthus
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
14
0.700
Electrochemistry: Metal electrodeposition & Applications
Cyclic Voltammetry etc.
Aliyu Ahmed
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
High entropy alloys
Metallic Coatings
Additive Manufacturing
Materials Characterization
Corrosion & Electrochemistry
Yebpella GG
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
15
0.789
environmental analytical chemistry/ instrumentation
Onumashi Ushie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
15
0.789
Organic Chemistry
Natural Product Chemistry
Ojochenemi E. Yakubu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
18
1.000
Pharmacological Biochemistry and Toxicology
Raphael Odoh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
Kayode Asaju
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
Development Administration
Education
Public Policy Analysis
Public Administration
Hambali Moshood Abiola
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
14
0.875
Data Mining
Biometrics
Expert System
Bioinformatics
Machine Learning
Am Magomya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
12
0.750
•General analysis of food
drinks and environmental samples • Research on nutritional composition of indigenous foods. Deve
Olajide Adedeji
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
Food Biotechnology and Process Engineering
James O. Alabede
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
12
0.800
Accounting
Taxation
Finance
Hammuel Chrinius
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
8
0.533
Antibiotic Resistance among bacteria
Adelagun Ruth Olubukola Ajoke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
11
0.786
Wastewater Treatment
Resource Recovery
Environmental Studies and Monitoring
Sustainability
Alfred I. Onen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
9
0.643
Physical Chemistry
Material Chemistry
Odoh Raphael
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769