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
Phytomedicines
ethnobotany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
27
0.771
* Total i10 IndexRankings
Ranking Based On Selection :2
Chemical Engineering
Water and Sanitation
Environmental Engineering
Water and Wastewater treatment processes
Solid waste man
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
29
0.935
* Total i10 IndexRankings
Ranking Based On Selection :3
Thermodynamics
Gas hydrates
Minerals
Renewable Energy
Batteries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
21
0.750
* Total i10 IndexRankings
Ranking Based On Selection :4
Data Science
Machine Learning
Data Mining
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
19
0.679
* Total i10 IndexRankings
Ranking Based On Selection :5
Energy efficiency and management
mining systems energy efficiency
optimal control
Power systems
Renewable and sustainable en
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
23
0.920
* Total i10 IndexRankings
Ranking Based On Selection :6
Microalgal Biotechnology
Biofuels
Bioremediation
Enzymology
Prebiotics and Probiotics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
* Total i10 IndexRankings
Ranking Based On Selection :7
Algae Physiology
Algae Biofuels
Ecophysiology
Green Energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
* Total i10 IndexRankings
Ranking Based On Selection :8
Medicinal plants
plant ecophysiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
16
0.800
* Total i10 IndexRankings
Ranking Based On Selection :9
water
wastewater
green energy
environmental engineering
bioprocessing engineering and algae biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total i10 IndexRankings
Ranking Based On Selection :10
Biotechnology
pharmacology
drug discover and development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
* Total i10 IndexRankings
Ranking Based On Selection :11
Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
15
0.938
* Total i10 IndexRankings
Ranking Based On Selection :12
Agronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
12
0.800
* Total i10 IndexRankings
Ranking Based On Selection :13
conservation biology
Plant physiology
Vermicomposting
phytoremediation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
11
0.733
* Total i10 IndexRankings
Ranking Based On Selection :14
Agricultural Economics
climate change
community engagement and development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 IndexRankings
Ranking Based On Selection :15
Analytical/Environmental Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Total i10 IndexRankings
Ranking Based On Selection :16
Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
* Total i10 IndexRankings
Ranking Based On Selection :17
linguistics
education
management sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
* Total i10 IndexRankings
Ranking Based On Selection :18
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 IndexRankings
Ranking Based On Selection :19
Agricultural extension
soil sustainability
soil conservation
agricultural innovation technologies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 IndexRankings
Ranking Based On Selection :20
Chemistry
Academic Development
HE Leadership
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
* Total i10 IndexRankings
Ranking Based On Selection :21
Computer Architecture
Intelligent Agents
Wireless Communication
Electronic Systems & Devices
Internet of Things
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
* Total i10 IndexRankings
Ranking Based On Selection :22
Computational and medicinal chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
* Total i10 IndexRankings
Ranking Based On Selection :23
chemical engineering
industrial wastewater reclamation
acid mine drainage remediation
environmental engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total i10 IndexRankings
Ranking Based On Selection :24
Inorganic chemistry
Computational chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total i10 IndexRankings
Ranking Based On Selection :25
chemical thermodynamics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
1
0.200
Roger Coopoosamy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
27
0.771
Babatunde Femi Bakare
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
29
0.935
Chemical Engineering
Water and Sanitation
Environmental Engineering
Water and Wastewater treatment processes
Solid waste man
Kaniki Tumba
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
21
0.750
Thermodynamics
Gas hydrates
Minerals
Renewable Energy
Batteries
Mehdi Sattari
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
19
0.679
Data Science
Machine Learning
Data Mining
BP Numbi Eng
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
23
0.920
Energy efficiency and management
mining systems energy efficiency
optimal control
Power systems
Renewable and sustainable en
Taurai Mutanda
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
Microalgal Biotechnology
Biofuels
Bioremediation
Enzymology
Prebiotics and Probiotics
Akash Anandraj
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
Algae Physiology
Algae Biofuels
Ecophysiology
Green Energy
KK Naidoo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
16
0.800
Medicinal plants
plant ecophysiology
Joseph K. Bwapwa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
water
wastewater
green energy
environmental engineering
bioprocessing engineering and algae biotechnology
Devashan Naidoo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
Biotechnology
pharmacology
drug discover and development
Courage Mlambo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
15
0.938
Farayi Murungu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
12
0.800
Georgina D Arthur
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
11
0.733
conservation biology
Plant physiology
Vermicomposting
phytoremediation
B. Nkonki-Mandleni
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
Agricultural Economics
climate change
community engagement and development
Gbadebo Clement Adeyinka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
Analytical/Environmental Chemistry
Maryam Amra Jordaan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
Sandiso Ngcobo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
linguistics
education
management sciences
Akinlolu Mariam
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Ikponmwosa David Ighodaro
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Agricultural extension
soil sustainability
soil conservation
agricultural innovation technologies
Muntuwenkosi M Chili
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
Chemistry
Academic Development
HE Leadership
Marcel Ohanga Odhiambo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
Computer Architecture
Intelligent Agents
Wireless Communication
Electronic Systems & Devices
Internet of Things
Njabulo Ngumede
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
Computational and medicinal chemistry
Thobeka Makhathini,
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
chemical engineering
industrial wastewater reclamation
acid mine drainage remediation
environmental engineering
Nkululeko Damoyi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Inorganic chemistry
Computational chemistry
Madison Lasich|Matthew Lasich
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
1
0.200