Total 2,384,784 scientists, country 221, and institutions 24,461 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
Applied and Environmental Microbiology
Water Quality
Antimicrobial Resistance.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
386
347
0.899
* Total i10 IndexRankings
Ranking Based On Selection: 2
Biological science
phytomedicine
botany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
361
274
0.759
* Total i10 IndexRankings
Ranking Based On Selection: 3
Ethnobotany
plant ecology
systematics
biodiversity conservation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
111
100
0.901
* Total i10 IndexRankings
Ranking Based On Selection: 4
Physical Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
94
68
0.723
* Total i10 IndexRankings
Ranking Based On Selection: 5
Soil fertility
waste management
Vermicomposting
Agronomy
climate smart agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
57
0.731
* Total i10 IndexRankings
Ranking Based On Selection: 6
drug delivery systems
organic synthesis
polymer-drug conjugates
wound dressing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
62
0.827
* Total i10 IndexRankings
Ranking Based On Selection: 7
Natural Product Chemistry
Analytical Chemistry
Inorganic Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
70
0.946
* Total i10 IndexRankings
Ranking Based On Selection: 8
Teacher Education
Curriculum Studies
Economics Education
and Research Method
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
73
52
0.712
* Total i10 IndexRankings
Ranking Based On Selection: 9
Land Reform
Food Security
Rural Livelihoods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
48
0.787
* Total i10 IndexRankings
Ranking Based On Selection: 10
Human and organizational capabilities and how they contribute towards the theme of development.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
54
0.964
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* Total i10 IndexRankings
Ranking Based On Selection: 11
climate smart agriculture
crop production
rural development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
34
0.618
* Total i10 IndexRankings
Ranking Based On Selection: 12
Land reform
agricultural development
poverty reduction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
28
0.519
* Total i10 IndexRankings
Ranking Based On Selection: 13
labour studies
african studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
13
0.245
* Total i10 IndexRankings
Ranking Based On Selection: 14
historical information
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
41
0.804
* Total i10 IndexRankings
Ranking Based On Selection: 15
Maternal and child health and indigenous knowledge and medicinal plants
law
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
23
0.460
* Total i10 IndexRankings
Ranking Based On Selection: 16
Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
32
0.653
* Total i10 IndexRankings
Ranking Based On Selection: 17
Microbiology
Disease control and prevention
Infectious disease epidemiology
Antimicrobial resistance
Public health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
47
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 18
Physical Geography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
29
0.617
* Total i10 IndexRankings
Ranking Based On Selection: 19
genetics
primates
evolutionary theory
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
17
0.362
* Total i10 IndexRankings
Ranking Based On Selection: 20
Food & Nutritional Biochemistry
Functional Foods
Nutraceuticals
Chronic Metabolic Diseases
Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
39
0.848
* Total i10 IndexRankings
Ranking Based On Selection: 21
Geomorphology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
18
0.400
* Total i10 IndexRankings
Ranking Based On Selection: 22
Microbiolology
Antimicrobial resistance
Research Synthesis
ML
Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
40
0.976
* Total i10 IndexRankings
Ranking Based On Selection: 23
Agricultural Economics
Climate change & Environment
Land & Farm Resources
Water Use
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
27
0.659
* Total i10 IndexRankings
Ranking Based On Selection: 24
Large mammal ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
35
0.875
* Total i10 IndexRankings
Ranking Based On Selection: 25
organometallic chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
10
0.263
Anthony I Okoh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
386
347
0.899
Applied and Environmental Microbiology
Water Quality
Antimicrobial Resistance.
AJ Afolayan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
361
274
0.759
Biological science
phytomedicine
botany
Alfred Maroyi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
111
100
0.901
Ethnobotany
plant ecology
systematics
biodiversity conservation
Edson Meyer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
94
68
0.723
Pearson Nyari Stephano Mnkeni
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
57
0.731
Soil fertility
waste management
Vermicomposting
Agronomy
climate smart agriculture
Blessing A. Aderibigbe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
62
0.827
drug delivery systems
organic synthesis
polymer-drug conjugates
wound dressing
Omobola Oluranti Okoh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
70
0.946
Natural Product Chemistry
Analytical Chemistry
Inorganic Chemistry
Emmanuel O. Adu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
73
52
0.712
Teacher Education
Curriculum Studies
Economics Education
and Research Method
Abby Mushunje
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
48
0.787
Land Reform
Food Security
Rural Livelihoods
Willie Chinyamurindi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
54
0.964
Human and organizational capabilities and how they contribute towards the theme of development.
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Cornelius Chiduza
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
34
0.618
climate smart agriculture
crop production
rural development
Michael Aliber
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
28
0.519
Land reform
agricultural development
poverty reduction
Sakhela Buhlungu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
13
0.245
Sive Masawe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
41
0.804
Nikodem V Cheryl
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
23
0.460
Maternal and child health and indigenous knowledge and medicinal plants
law
Graeme Bradley
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
32
0.653
Chidozie Declan Iwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
47
1.000
Microbiology
Disease control and prevention
Infectious disease epidemiology
Antimicrobial resistance
Public health
Werner Nel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
29
0.617
Judith Masters
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
17
0.362
genetics
primates
evolutionary theory
Gloria A Otunola
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
39
0.848
Food & Nutritional Biochemistry
Functional Foods
Nutraceuticals
Chronic Metabolic Diseases
Public Health
Paul Sumner
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
18
0.400
Temitope Ekundayo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
40
0.976
Microbiolology
Antimicrobial resistance
Research Synthesis
ML
Public Health
Ajuruchukwu Obi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
27
0.659
Agricultural Economics
Climate change & Environment
Land & Farm Resources
Water Use
Craig Tambling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
35
0.875
Alexandre Sadimenko
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
10
0.263