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
Health policy and practice
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
34
0.971
* Total i10 IndexRankings
Ranking Based On Selection :2
Infectious Diseases
Public Health and Internal Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
34
1.000
* Total i10 IndexRankings
Ranking Based On Selection :3
Cardiology
Internal Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
24
0.857
* Total i10 IndexRankings
Ranking Based On Selection :4
Pathology
Medicine
Physiology
Hepatogastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
* Total i10 IndexRankings
Ranking Based On Selection :5
Renewable energy technologies
greenhouse gas mitigation
solid waste management and utilization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
13
0.765
* Total i10 IndexRankings
Ranking Based On Selection :6
Environmental Science and Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
* Total i10 IndexRankings
Ranking Based On Selection :7
Women/Gender Sudies
peace and conflict
literature
development Studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
* Total i10 IndexRankings
Ranking Based On Selection :8
Institutional and Educational Research
Environmental Management
Taxonomy and Biosystematics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 IndexRankings
Ranking Based On Selection :9
heavy metals
wastewater
grey water
solid waste management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 IndexRankings
Ranking Based On Selection :10
Aquatic Resource Economics
Blue Economy and Ocean Governance
Education Administration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 IndexRankings
Ranking Based On Selection :11
Research and programs
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :12
Clinical Trials
Pharmacy
Pharmacology
Pharmacoepidemiology
Pharmacovigilance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :13
Deep Learning
AI
Data Mining
Machine Learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :14
Wave Hydrodynamics
Harbour Engineering
Coastal Zone Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :15
Probability Limit Theory of Dependent Variables
Nonparametric and Semiparametric models
Nonlinear Statistical Models
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :16
Geospatial Science & Environmental Geography
Computational Geography
Spatial Analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :17
Paediatrics and Paeditric Neurology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :18
Clinical research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :19
Climate Change
Development Studies
Ecotoxicology
Environmental Remediation
Wastewater treatment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :20
Development Geography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :21
Natural Language Processing
Quantum Computation
Human Computer Interaction
Software Development & Security
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :22
Geology
Environmental Sciences
Engineering Behaviour of Soil
GIS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :23
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :24
Applied and Pure Mathematics
Applied and Theoretical Statistic
Mathematical Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :25
Marine Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Haja Ramatulai Wurie
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
34
0.971
Health policy and practice
Sulaiman Lakoh
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
34
1.000
Infectious Diseases
Public Health and Internal Medicine
James Baligeh Walter Russell
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
24
0.857
Babatunde Duduyemi
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
Pathology
Medicine
Physiology
Hepatogastroenterology
Kelleh Gbawuru Mansaray
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
13
0.765
Renewable energy technologies
greenhouse gas mitigation
solid waste management and utilization
Edward Hinga Sandy
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
Environmental Science and Engineering
Aisha Fofana Ibrahim
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
Women/Gender Sudies
peace and conflict
literature
development Studies
Adepoju Adeyinka Olufemi|Adeyinka O. ADEPOJU, Adeyinka ADEPOJU, ADEPOJU, Adeyinka Olufemi
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Institutional and Educational Research
Environmental Management
Taxonomy and Biosystematics
Ronnie Frazer-Williams
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
Andrew Baio
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
Aquatic Resource Economics
Blue Economy and Ocean Governance
Education Administration
Samuel Saidu
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Onome Abiri
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Clinical Trials
Pharmacy
Pharmacology
Pharmacoepidemiology
Pharmacovigilance
Amadu Fullah Kamara
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Deep Learning
AI
Data Mining
Machine Learning
Obai Kargbo
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Wave Hydrodynamics
Harbour Engineering
Coastal Zone Management
Sallieu Kabay Samura
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Probability Limit Theory of Dependent Variables
Nonparametric and Semiparametric models
Nonlinear Statistical Models
Solomon Peter Gbanie
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Geospatial Science & Environmental Geography
Computational Geography
Spatial Analysis
Alhaji Alusine Jalloh
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Paediatrics and Paeditric Neurology
Muketorma Bawoh
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Edward Hingha Foday Jr
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Climate Change
Development Studies
Ecotoxicology
Environmental Remediation
Wastewater treatment
Kabba Santigie Bangura
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Olutola Fagbolu
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Natural Language Processing
Quantum Computation
Human Computer Interaction
Software Development & Security
Tamba Komba
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Geology
Environmental Sciences
Engineering Behaviour of Soil
GIS
Michael A. Conteh
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Abdul Alimamy Kamara
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Applied and Pure Mathematics
Applied and Theoretical Statistic
Mathematical Epidemiology
Komba Jossie Konoyima
University of Sierra Leone
Tower Hill, Sierra Leone
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0