Total 2,392,995 scientists, country 221, and institutions 24,455 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
Chemistry
Tea
Environmental Science
Agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
149
50
0.336
* Total i10 IndexRankings
Ranking Based On Selection: 2
Genetics
Immunology
Infectious and non-infectious diseases
Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
62
0.765
* Total i10 IndexRankings
Ranking Based On Selection: 3
Developmental Psychology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
66
0.943
* Total i10 IndexRankings
Ranking Based On Selection: 4
Aquaculture
Fisheries
Aquatic ecology
Environmental sciences
biofloc technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
46
0.885
* Total i10 IndexRankings
Ranking Based On Selection: 5
Malaria in pregnancy
Malaria epidemiology
Antenatal Care
Malaria prevention
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
34
0.773
* Total i10 IndexRankings
Ranking Based On Selection: 6
Weed Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
19
0.452
* Total i10 IndexRankings
Ranking Based On Selection: 7
malaria vaccines
drugs and epidemiology
sickle cell pathogenesis and management
childhood haemato-oncology
neonatal medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
30
0.769
* Total i10 IndexRankings
Ranking Based On Selection: 8
Plant Physiology
Conservation Biology
Rice Production
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
25
0.714
* Total i10 IndexRankings
Ranking Based On Selection: 9
Medical & Veterinary Parasitology
Malaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
10
0.313
* Total i10 IndexRankings
Ranking Based On Selection: 10
curriculum
instruction and educational technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
12
0.387
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* Total i10 IndexRankings
Ranking Based On Selection: 11
Political Science - Development Politics
Comparative Politics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
15
0.536
* Total i10 IndexRankings
Ranking Based On Selection: 12
Hydrologist/Water resources Management/GIS/Remote Sensing/EIA.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
8
0.286
* Total i10 IndexRankings
Ranking Based On Selection: 13
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
* Total i10 IndexRankings
Ranking Based On Selection: 14
Religious Studies and Clinical Psychology and Counselling Psychology and Religious Studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
12
0.462
* Total i10 IndexRankings
Ranking Based On Selection: 15
Medical Anthropology
Health Systems Research
Social Protection
Inclusive development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
11
0.423
* Total i10 IndexRankings
Ranking Based On Selection: 16
plant stress physiology
ecosystem services
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
16
0.640
* Total i10 IndexRankings
Ranking Based On Selection: 17
biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
11
0.458
* Total i10 IndexRankings
Ranking Based On Selection: 18
Soil Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
18
0.783
* Total i10 IndexRankings
Ranking Based On Selection: 19
Chemistry
Water
catalysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
15
0.682
* Total i10 IndexRankings
Ranking Based On Selection: 20
Agroforestry
Environmental Microbiology and Plant Pathology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
12
0.545
* Total i10 IndexRankings
Ranking Based On Selection: 21
Lifestyle diseases
Metabolic born diseases
Haemoglobinopathies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
7
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 22
Human and Wildlife Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
* Total i10 IndexRankings
Ranking Based On Selection: 23
Cardiothoracic surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
17
0.895
* Total i10 IndexRankings
Ranking Based On Selection: 24
Academic Achievement studies
psychometrics
Reading research
Counseling studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
10
0.526
* Total i10 IndexRankings
Ranking Based On Selection: 25
GENETICS (POPULATION and OUANTITATIVEGENETIC)
PLANT BREEDING
CROP EVOLUTION
BIOTECHNOLOGY
POLITICS AND COMMUNITY DEVELOPMENT
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
9
0.474
Philip Okinda Owuor
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
149
50
0.336
Chemistry
Tea
Environmental Science
Agriculture
Collins Ouma
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
62
0.765
Genetics
Immunology
Infectious and non-infectious diseases
Public Health
Paul Oburu
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
66
0.943
Erick Ogello
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
46
0.885
Aquaculture
Fisheries
Aquatic ecology
Environmental sciences
biofloc technology
Peter Ouma Okuma
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
34
0.773
Malaria in pregnancy
Malaria epidemiology
Antenatal Care
Malaria prevention
George D. Odhiambo
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
19
0.452
Otieno Walter
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
30
0.769
malaria vaccines
drugs and epidemiology
sickle cell pathogenesis and management
childhood haemato-oncology
neonatal medicine
John Collins Onyango
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
25
0.714
Plant Physiology
Conservation Biology
Rice Production
Walter Jura
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
10
0.313
Medical & Veterinary Parasitology
Malaria
Francis Chisikwa Indoshi
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
12
0.387
curriculum
instruction and educational technology
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Fredrick Wanyama
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
15
0.536
Political Science - Development Politics
Comparative Politics
Odhiambo George Gor
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
8
0.286
Hydrologist/Water resources Management/GIS/Remote Sensing/EIA.
Dida Mito
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
Kasomo Daniel
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
12
0.462
Religious Studies and Clinical Psychology and Counselling Psychology and Religious Studies
Erick Otieno Nyambedha
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
11
0.423
Medical Anthropology
Health Systems Research
Social Protection
Inclusive development
Godfrey W. Netondo
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
16
0.640
plant stress physiology
ecosystem services
Richard Otieno
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
11
0.458
PA Opala
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
18
0.783
C Kowenje
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
15
0.682
David Musyimi Musyimi
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
12
0.545
Agroforestry
Environmental Microbiology and Plant Pathology
Peter J Ojwang
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
7
0.333
Lifestyle diseases
Metabolic born diseases
Haemoglobinopathies
Patrick Ogola Onyango
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
Stephen Ogendo
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
17
0.895
Cardiothoracic surgery
John Odwar Agak
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
10
0.526
Academic Achievement studies
psychometrics
Reading research
Counseling studies
Patrick Ayiecho Olweny
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
9
0.474
GENETICS (POPULATION and OUANTITATIVEGENETIC)
PLANT BREEDING
CROP EVOLUTION
BIOTECHNOLOGY
POLITICS AND COMMUNITY DEVELOPMENT