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Sierra Leone 145 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Dec 30, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.699) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
43,974
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
67,248
World Rank
2
Country Rank
2
University
Ranking Based On Selection:
2
Social Sciences / Sociology
Social change in post conflict countries | social response to zoonotic disease
Social change in post conflict countries | social response to zoonotic disease
H-Index Metrics
-
H-Index57
-
i10 Index184
-
Citation Counts18,534
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* Total H Index Rankings
Rankings
83,844
World Rank
3
Country Rank
1
University
Ranking Based On Selection:
3
Natural Sciences / Mathematical Sciences
Statistics | Epidemiology | Public Health | GIS | Literatur
Statistics | Epidemiology | Public Health | GIS | Literatur
H-Index Metrics
-
H-Index52
-
i10 Index116
-
Citation Counts25,738
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* Total H Index Rankings
Rankings
174,049
World Rank
4
Country Rank
3
University
Ranking Based On Selection:
4
Medical and Health Sciences / Infectious Diseases
Tropical Medicine | Epidemiology | Infectious diseases | surveillance | mhealt
Tropical Medicine | Epidemiology | Infectious diseases | surveillance | mhealt
H-Index Metrics
-
H-Index38
-
i10 Index74
-
Citation Counts4,945
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* Total H Index Rankings
Rankings
252,365
World Rank
5
Country Rank
4
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
345,928
World Rank
6
Country Rank
1
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
365,724
World Rank
7
Country Rank
2
University
Ranking Based On Selection:
7
Medical and Health Sciences / Epidemiology and Public Health
Infectious Diseases | Public Health and Internal Medicin
Infectious Diseases | Public Health and Internal Medicin
H-Index Metrics
-
H-Index25
-
i10 Index55
-
Citation Counts2,367
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* Total H Index Rankings
Rankings
400,517
World Rank
8
Country Rank
5
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
419,770
World Rank
9
Country Rank
1
University
Ranking Based On Selection:
9
Economics & Econometrics / Economics
Macroeconomic Policy Management | Macroeconomic Forecasting | Livelihood Economics | SD
Macroeconomic Policy Management | Macroeconomic Forecasting | Livelihood Economics | SD
H-Index Metrics
-
H-Index23
-
i10 Index48
-
Citation Counts2,336
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* Total H Index Rankings
Rankings
501,985
World Rank
10
Country Rank
3
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
577,039
World Rank
11
Country Rank
4
University
Ranking Based On Selection:
11
Medical and Health Sciences / Pathology
Pathology | Medicine | Physiology | Hepatogastroenterology | Minimally Invasive Tissue Samplin
Pathology | Medicine | Physiology | Hepatogastroenterology | Minimally Invasive Tissue Samplin
H-Index Metrics
-
H-Index18
-
i10 Index31
-
Citation Counts1,449
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* Total H Index Rankings
Rankings
599,384
World Rank
12
Country Rank
6
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
618,497
World Rank
13
Country Rank
7
University
Ranking Based On Selection:
13
Natural Sciences / Biological Science
Sacred Groves | Podostemaceae | Tropical Plants | Ecological Surveillance of Viral Pathogen
Sacred Groves | Podostemaceae | Tropical Plants | Ecological Surveillance of Viral Pathogen
H-Index Metrics
-
H-Index17
-
i10 Index24
-
Citation Counts1,036
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* Total H Index Rankings
Rankings
643,048
World Rank
14
Country Rank
8
University
Ranking Based On Selection:
14
Medical and Health Sciences / Epidemiology and Public Health
Physical Activity & Public Health | Public Health Nutrition | Health Education Promotio
Physical Activity & Public Health | Public Health Nutrition | Health Education Promotio
H-Index Metrics
-
H-Index17
-
i10 Index28
-
Citation Counts557
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* Total H Index Rankings
Rankings
661,437
World Rank
15
Country Rank
9
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
687,416
World Rank
16
Country Rank
5
University
Ranking Based On Selection:
16
Engineering & Technology / Energy Engineering
Renewable energy technologies | greenhouse gas mitigation | solid waste management and utilizatio
Renewable energy technologies | greenhouse gas mitigation | solid waste management and utilizatio
H-Index Metrics
-
H-Index16
-
i10 Index17
-
Citation Counts1,596
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* Total H Index Rankings
Rankings
786,500
World Rank
17
Country Rank
10
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
811,196
World Rank
18
Country Rank
11
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
853,298
World Rank
19
Country Rank
12
University
Ranking Based On Selection:
19
Others
Development planning and urban sustainability | Environment | Informality | Mobility andTransport | Disaster Risk Reduction and Citi
Development planning and urban sustainability | Environment | Informality | Mobility andTransport | Disaster Risk Reduction and Citi
H-Index Metrics
-
H-Index12
-
i10 Index16
-
Citation Counts520
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* Total H Index Rankings
Rankings
856,785
World Rank
20
Country Rank
13
University
Ranking Based On Selection:
20
Medical and Health Sciences / Epidemiology and Public Health
Health Systems | Child and Adolescent Health | Maternal and Child Health | Public Health | Women'
Health Systems | Child and Adolescent Health | Maternal and Child Health | Public Health | Women'
H-Index Metrics
-
H-Index12
-
i10 Index14
-
Citation Counts1,196
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* Total H Index Rankings
Rankings
870,607
World Rank
21
Country Rank
14
University
Ranking Based On Selection:
21
Agriculture & Forestry / Crop Sciences
Argriculture | Plant Physiology | Biological Nitrogen Fixation | Water Quality Managemen
Argriculture | Plant Physiology | Biological Nitrogen Fixation | Water Quality Managemen
H-Index Metrics
-
H-Index12
-
i10 Index16
-
Citation Counts996
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* Total H Index Rankings
Rankings
874,355
World Rank
22
Country Rank
6
University
Ranking Based On Selection:
22
Natural Sciences / Biological Science
Biodiversity | Pharmacognosy | Environmental Mgt. | Taxonomy and Biosystematic
Biodiversity | Pharmacognosy | Environmental Mgt. | Taxonomy and Biosystematic
H-Index Metrics
-
H-Index12
-
i10 Index14
-
Citation Counts857
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* Total H Index Rankings
Rankings
877,804
World Rank
23
Country Rank
15
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
881,500
World Rank
24
Country Rank
1
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
900,014
World Rank
25
Country Rank
1
University
Ranking Based On Selection:
25
Medical and Health Sciences / Microbiology
Epidemiological Modelling | Bacteriology | AMR & ARGs | Virology | Sequencing and Bioinformatic
Epidemiological Modelling | Bacteriology | AMR & ARGs | Virology | Sequencing and Bioinformatic
H-Index Metrics
-
H-Index12
-
i10 Index13
-
Citation Counts1,154
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