Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 62 Scientists Citation Rankings - 2025
The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Social change in post conflict countries
social response to zoonotic diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,099
3,279
0.181
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Neglected Tropical Diseases
Entomology
Health Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,114
4,950
0.351
* Total Citation Counts Rankings
Ranking Based On Selection: 3
land cover
pollution
Sierra Leone
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,922
1,241
0.252
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Tropical Medicine
Epidemiology
Infectious diseases
surveillance
mhealth
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,287
3,182
0.742
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Data Science
Data Analytics
AI
Social Justice
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,705
788
0.462
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Agricultural Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,759
906
0.515
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Renewable energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,158
327
0.282
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Sacred Groves
Podostemaceae
Tropical Plants
Ecological Surveillance of Viral Pathogens
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
901
478
0.531
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Argriculture
Plant Physiology
Biological Nitrogen Fixation
Water Quality Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
837
640
0.765
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Through advanced, institution-specific analytics and benchmarking, gain data-driven strategic insights into your academic performance, global standing, and competitive strengths. Compare your institution with 20 similarly ranked institutions at city, country, regional, and global levels, as well as with those in similar standings across 13 subjects, to uncover your institution’s strengths. More Info
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Medicinal plant research
Veterinary Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
791
431
0.545
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Blue Economic diversification in the era of Climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
804
487
0.606
* Total Citation Counts Rankings
Ranking Based On Selection: 12
developmental issues
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
627
544
0.868
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Physical Activity & Public Health
Public Health Nutrition
Health Education Promotion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
547
320
0.585
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Animal dtsease dog rabies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
470
276
0.587
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Forestry
Biodiversity
Ecosystem function Environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
428
422
0.986
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Development planning and urban sustainability
Environment
Informality
Mobility andTransport
Disaster Risk Reduction and Citie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
357
331
0.927
* Total Citation Counts Rankings
Ranking Based On Selection: 17
soil fertility
soil chemistry
biochar
soil erosion and nutrient leaching
remote sensing and GIS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
326
227
0.696
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Control of Infectious Diseases
Health Systems & Health Policy
Pandemic/Epidemic Outbreaks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
291
288
0.990
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Infectious Disease Epidemiology
Disease Surveillance
Vaccinology
Emerging infectious Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
229
227
0.991
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Soil science
agronomy
climate change
land evaluation
remote sensing and GIS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
207
147
0.710
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Child and Adolescent Health
Maternal and Child Health
Public Health
Women's Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
210
206
0.981
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Adolescents Health
Women's Health
Public Health
Data Analysis
Global Health Surveys.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
167
164
0.982
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Ecology
Wildlife Management
Conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
170
166
0.976
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Posthavest food and bioprocess engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
145
104
0.717
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Biomedical Science and Environmental sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
137
1.000
* Total Citation Counts Rankings
Rankings
46,618
2
1
Ranking Based On Selection: 1
Paul Richards
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,099
3,279
0.181
Social change in post conflict countries
social response to zoonotic diseases
* Total Citation Counts Rankings
Rankings
67,622
3
2
Ranking Based On Selection: 2
Bockarie M
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,114
4,950
0.351
* Total Citation Counts Rankings
Rankings
214,674
4
3
Ranking Based On Selection: 3
Richard Wadsworth
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,922
1,241
0.252
land cover
pollution
Sierra Leone
* Total Citation Counts Rankings
Rankings
244,894
5
4
Ranking Based On Selection: 4
Rashid Ansumana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,287
3,182
0.742
Tropical Medicine
Epidemiology
Infectious diseases
surveillance
mhealth
* Total Citation Counts Rankings
Rankings
478,800
8
5
Ranking Based On Selection: 5
Ibrahim Denis Fofanah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,705
788
0.462
Data Science
Data Analytics
AI
Social Justice
* Total Citation Counts Rankings
Rankings
497,557
11
6
Ranking Based On Selection: 6
Juana P. Moiwo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,759
906
0.515
Agricultural Engineering
* Total Citation Counts Rankings
Rankings
638,614
14
7
Ranking Based On Selection: 7
Hindowa Lebbie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,158
327
0.282
* Total Citation Counts Rankings
Rankings
729,644
17
8
Ranking Based On Selection: 8
Aiah Lebbie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
901
478
0.531
Sacred Groves
Podostemaceae
Tropical Plants
Ecological Surveillance of Viral Pathogens
* Total Citation Counts Rankings
Rankings
757,282
18
9
Ranking Based On Selection: 9
Sheku Alfred Kanu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
837
640
0.765
Argriculture
Plant Physiology
Biological Nitrogen Fixation
Water Quality Management
* Total Citation Counts Rankings
Rankings
766,958
19
10
Ranking Based On Selection: 10
Victor. P. Bagla
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
791
431
0.545
Medicinal plant research
Veterinary Science
360° Institutional Performance & Benchmarking Click Here for Live Demo
Through advanced, institution-specific analytics and benchmarking, gain data-driven strategic insights into your academic performance, global standing, and competitive strengths. Compare your institution with 20 similarly ranked institutions at city, country, regional, and global levels, as well as with those in similar standings across 13 subjects, to uncover your institution’s strengths. More Info
* Total Citation Counts Rankings
Rankings
768,268
20
11
Ranking Based On Selection: 11
Mathew Didlyn Kpundeh|Kpundeh Mathew Didlyn, Kpundeh M.D, Mathew D. Kpundeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
804
487
0.606
Blue Economic diversification in the era of Climate change
* Total Citation Counts Rankings
Rankings
863,485
22
12
Ranking Based On Selection: 12
Alhaji Morlai Bangura
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
627
544
0.868
* Total Citation Counts Rankings
Rankings
892,716
24
13
Ranking Based On Selection: 13
Samuel Joseph Bebeley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
547
320
0.585
Physical Activity & Public Health
Public Health Nutrition
Health Education Promotion
* Total Citation Counts Rankings
Rankings
960,552
28
14
Ranking Based On Selection: 14
Roland Suluku
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
470
276
0.587
* Total Citation Counts Rankings
Rankings
1,013,634
30
15
Ranking Based On Selection: 15
Moses Fayiah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
428
422
0.986
Forestry
Biodiversity
Ecosystem function Environment
* Total Citation Counts Rankings
Rankings
1,086,181
31
16
Ranking Based On Selection: 16
Braima Koroma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
357
331
0.927
Development planning and urban sustainability
Environment
Informality
Mobility andTransport
Disaster Risk Reduction and Citie
* Total Citation Counts Rankings
Rankings
1,107,740
32
17
Ranking Based On Selection: 17
Alie Kamara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
326
227
0.696
soil fertility
soil chemistry
biochar
soil erosion and nutrient leaching
remote sensing and GIS
* Total Citation Counts Rankings
Rankings
1,155,138
34
18
Ranking Based On Selection: 18
Lawrence Sao Babawo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
291
288
0.990
Control of Infectious Diseases
Health Systems & Health Policy
Pandemic/Epidemic Outbreaks
* Total Citation Counts Rankings
Rankings
1,272,127
44
19
Ranking Based On Selection: 19
Ibrahim Massaquoi|Ibrahim Bob Swaray, Swaray, Ibrahim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
229
227
0.991
Infectious Disease Epidemiology
Disease Surveillance
Vaccinology
Emerging infectious Diseases
* Total Citation Counts Rankings
Rankings
1,305,713
47
20
Ranking Based On Selection: 20
Denis Magnus Ken Amara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
207
147
0.710
Soil science
agronomy
climate change
land evaluation
remote sensing and GIS
* Total Citation Counts Rankings
Rankings
1,313,578
48
21
Ranking Based On Selection: 21
Augustus Osborne
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
210
206
0.981
Child and Adolescent Health
Maternal and Child Health
Public Health
Women's Health
* Total Citation Counts Rankings
Rankings
1,403,784
49
22
Ranking Based On Selection: 22
Camilla Bangura
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
167
164
0.982
Adolescents Health
Women's Health
Public Health
Data Analysis
Global Health Surveys.
* Total Citation Counts Rankings
Rankings
1,406,491
50
23
Ranking Based On Selection: 23
Ibrahim A Bakarr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
170
166
0.976
Ecology
Wildlife Management
Conservation
* Total Citation Counts Rankings
Rankings
1,460,605
54
24
Ranking Based On Selection: 24
Joseph Sherman Kamara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
145
104
0.717
Posthavest food and bioprocess engineering
* Total Citation Counts Rankings
Rankings
1,491,609
55
25
Ranking Based On Selection: 25
Alusine Hassan Koroma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
137
1.000
Biomedical Science and Environmental sciences
