Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,289 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 2
Farhat Ullah
Drug discovery
Pharmacy
Antibiotic Resistance
Natural Products
Nanopharmaceutical
Metrics
 
H-Index
i10 Index
Citation
48
109
6,807
* Rankings
Ranking Based On Selection: 3
Muhammad Zahoor
environmental Science
Biochemistry
Adsorption
Ultrafiltratio
Metrics
 
H-Index
i10 Index
Citation
42
146
6,414
* Rankings
Ranking Based On Selection: 4
Alam Zeb
Biochemistry
Metabolomics
Bioactive Natural products
Food Biochemistr
Metrics
 
H-Index
i10 Index
Citation
36
85
5,181
* Rankings
Ranking Based On Selection: 5
Abid Ullah
Molecular biology
environmental microbiology
biochemistr
Metrics
 
H-Index
i10 Index
Citation
35
51
7,042
* Rankings
Ranking Based On Selection: 7
Ali Hazrat
Taxonomy
Ethnobotany
Biological Activities
Ecolog
Metrics
 
H-Index
i10 Index
Citation
33
141
4,846
* Rankings
Ranking Based On Selection: 8
Iqbal A Shahnavi
Psychometrics
Educational Management and Administration
Mixed Method Researc
Metrics
 
H-Index
i10 Index
Citation
31
79
3,535
* Rankings
Ranking Based On Selection: 9
Tariq Khan
Biotechnology
Nanobiotechnology
Public health
Medicinal Plant Biotechnolog
Metrics
 
H-Index
i10 Index
Citation
28
49
3,311
* Rankings
Ranking Based On Selection: 10
Siffat Ullah Khan
Computer Science
Software Engineering
Artificial Intelligence
Cybersecurit
Metrics
 
H-Index
i10 Index
Citation
28
77
3,143
* Rankings
Ranking Based On Selection: 12
Imad Khan
Physics
Materials Science
Ferroelectrics
Magnetism
Solar Cell Material
Metrics
 
H-Index
i10 Index
Citation
27
49
2,051
* Rankings
Ranking Based On Selection: 13
Rashid Ahmad
Computational
Environmental and Fuel Chemistr
Metrics
 
H-Index
i10 Index
Citation
27
51
2,598
* Rankings
Ranking Based On Selection: 14
Hazrat Ali
Environmental Chemistry
Ecotoxicology
Ecology
Environmental Science
Freshwater Biology & Limnolog
Metrics
 
H-Index
i10 Index
Citation
25
30
12,910
* Rankings
Ranking Based On Selection: 15
Aftab Shah
Medical Biotechnology/Human Genetic
Metrics
 
H-Index
i10 Index
Citation
23
66
1,905
* Rankings
Ranking Based On Selection: 17
Arab Naz
Gender Studies
Migration and Educatio
Metrics
 
H-Index
i10 Index
Citation
22
43
1,698
* Rankings
Ranking Based On Selection: 22
Zahid Ali
(Materials Science) Physic
Metrics
 
H-Index
i10 Index
Citation
20
30
1,164
* Rankings
Ranking Based On Selection: 24
Jamil Ahmad
Model Checking
Blockchain
Systems Biology
Gene Regulatory Networks
Petri Net
Metrics
 
H-Index
i10 Index
Citation
20
33
1,515
* Rankings
Ranking Based On Selection: 25
Bakht Amin Bacha
Quantum Optics
Quantum Information
Metrics
 
H-Index
i10 Index
Citation
19
39
945
Rankings
Ranking Based On Selection: 1
Muhammad Ayaz
Metrics
 
H-Index
i10 Index
Citation Counts
50
132
8,330
Rankings
Ranking Based On Selection: 2
Farhat Ullah
Metrics
 
H-Index
i10 Index
Citation Counts
48
109
6,807
Drug discovery
Pharmacy
Antibiotic Resistance
Natural Products
Nanopharmaceutical
Rankings
Ranking Based On Selection: 3
Muhammad Zahoor
Metrics
 
H-Index
i10 Index
Citation Counts
42
146
6,414
Rankings
Ranking Based On Selection: 4
Alam Zeb
Metrics
 
H-Index
i10 Index
Citation Counts
36
85
5,181
Biochemistry
Metabolomics
Bioactive Natural products
Food Biochemistr
Rankings
Ranking Based On Selection: 5
Abid Ullah
Metrics
 
H-Index
i10 Index
Citation Counts
35
51
7,042
Molecular biology
environmental microbiology
biochemistr
Rankings
Ranking Based On Selection: 6
Gul Zaman
Metrics
 
H-Index
i10 Index
Citation Counts
35
114
5,104
Rankings
Ranking Based On Selection: 7
Ali Hazrat
Metrics
 
H-Index
i10 Index
Citation Counts
33
141
4,846
Taxonomy
Ethnobotany
Biological Activities
Ecolog
Rankings
Ranking Based On Selection: 8
Iqbal A Shahnavi
Metrics
 
H-Index
i10 Index
Citation Counts
31
79
3,535
Psychometrics
Educational Management and Administration
Mixed Method Researc
Rankings
Ranking Based On Selection: 9
Tariq Khan
Metrics
 
H-Index
i10 Index
Citation Counts
28
49
3,311
Biotechnology
Nanobiotechnology
Public health
Medicinal Plant Biotechnolog
Rankings
Ranking Based On Selection: 10
Siffat Ullah Khan
Metrics
 
H-Index
i10 Index
Citation Counts
28
77
3,143
Computer Science
Software Engineering
Artificial Intelligence
Cybersecurit
Rankings
Ranking Based On Selection: 11
Ezzat Khan
Metrics
 
H-Index
i10 Index
Citation Counts
27
63
12,566
Rankings
Ranking Based On Selection: 12
Imad Khan
Metrics
 
H-Index
i10 Index
Citation Counts
27
49
2,051
Physics
Materials Science
Ferroelectrics
Magnetism
Solar Cell Material
Rankings
Ranking Based On Selection: 13
Rashid Ahmad
Metrics
 
H-Index
i10 Index
Citation Counts
27
51
2,598
Rankings
Ranking Based On Selection: 14
Hazrat Ali
Metrics
 
H-Index
i10 Index
Citation Counts
25
30
12,910
Environmental Chemistry
Ecotoxicology
Ecology
Environmental Science
Freshwater Biology & Limnolog
Rankings
Ranking Based On Selection: 15
Aftab Shah
Metrics
 
H-Index
i10 Index
Citation Counts
23
66
1,905
Rankings
Ranking Based On Selection: 16
Ayaz Ali Khan
Metrics
 
H-Index
i10 Index
Citation Counts
22
47
1,482
Rankings
Ranking Based On Selection: 17
Arab Naz
Metrics
 
H-Index
i10 Index
Citation Counts
22
43
1,698
Rankings
Ranking Based On Selection: 18
Adnan Ali Khan
Metrics
 
H-Index
i10 Index
Citation Counts
21
46
1,385
Rankings
Ranking Based On Selection: 19
Syed M Jamal
Metrics
 
H-Index
i10 Index
Citation Counts
21
29
1,965
Rankings
Ranking Based On Selection: 20
Tahir Khan
Metrics
 
H-Index
i10 Index
Citation Counts
20
31
1,242
Rankings
Ranking Based On Selection: 21
Sehat Ullah
Metrics
 
H-Index
i10 Index
Citation Counts
20
50
1,749
Rankings
Ranking Based On Selection: 22
Zahid Ali
Metrics
 
H-Index
i10 Index
Citation Counts
20
30
1,164
(Materials Science) Physic
Rankings
Ranking Based On Selection: 23
Hammad Khalil
Metrics
 
H-Index
i10 Index
Citation Counts
20
34
1,375
Rankings
Ranking Based On Selection: 24
Jamil Ahmad
Metrics
 
H-Index
i10 Index
Citation Counts
20
33
1,515
Model Checking
Blockchain
Systems Biology
Gene Regulatory Networks
Petri Net
Rankings
Ranking Based On Selection: 25
Bakht Amin Bacha
Metrics
 
H-Index
i10 Index
Citation Counts
19
39
945