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: 1
Ahmad Zarei
Water pollution
Soil pollution
Air pollution
Food contaminants
Risk assessmen
Metrics
 
H-Index
i10 Index
Citation
50
76
6,607
* Rankings
Ranking Based On Selection: 4
Narjes Bahri
Reproductive & Sexual Health
Menopause
Women's Health
Midwifery
Labor Pai
Metrics
 
H-Index
i10 Index
Citation
25
64
2,386
* Rankings
Ranking Based On Selection: 5
Mahdi Moshki
Health Education & Promotion
Women and Children Health
Health Psychology
Scale Developmen
Metrics
 
H-Index
i10 Index
Citation
25
63
2,139
* Rankings
Ranking Based On Selection: 7
Ali Alami
Epidemiology
Biostatistics
Sociology
Equity&Equality
International Healt
Metrics
 
H-Index
i10 Index
Citation
24
47
1,675
* Rankings
Ranking Based On Selection: 9
Davoud Salarbashi
Natural product
Nanobiocomposite
drug delivery
Control Releas
Metrics
 
H-Index
i10 Index
Citation
22
28
1,491
* Rankings
Ranking Based On Selection: 12
Moosa Sajjadi
Cancer Care
Chronic Illness
Palliative Care
Scale Developmen
Metrics
 
H-Index
i10 Index
Citation
20
34
1,270
* Rankings
Ranking Based On Selection: 19
Jahanshir Tavakolizadeh
Psychotherapy
Psychosomtic Medicine
self-regulation
Epidemiology of mental health and Psychosomatic Medicin
Metrics
 
H-Index
i10 Index
Citation
17
32
1,227
* Rankings
Ranking Based On Selection: 25
Shadan Navid
cell biology . stem cell therapy
Antropology
reproductive biolog
Metrics
 
H-Index
i10 Index
Citation
14
15
518
Rankings
Ranking Based On Selection: 1
Ahmad Zarei
Metrics
 
H-Index
i10 Index
Citation Counts
50
76
6,607
Water pollution
Soil pollution
Air pollution
Food contaminants
Risk assessmen
Rankings
Ranking Based On Selection: 2
Hamed Biglari
Metrics
 
H-Index
i10 Index
Citation Counts
32
76
3,392
Rankings
Ranking Based On Selection: 3
Maryam Moghimian
Metrics
 
H-Index
i10 Index
Citation Counts
26
42
1,704
Rankings
Ranking Based On Selection: 4
Narjes Bahri
Metrics
 
H-Index
i10 Index
Citation Counts
25
64
2,386
Reproductive & Sexual Health
Menopause
Women's Health
Midwifery
Labor Pai
Rankings
Ranking Based On Selection: 5
Mahdi Moshki
Metrics
 
H-Index
i10 Index
Citation Counts
25
63
2,139
Health Education & Promotion
Women and Children Health
Health Psychology
Scale Developmen
Rankings
Ranking Based On Selection: 6
Mojtaba Afsharnia
Metrics
 
H-Index
i10 Index
Citation Counts
24
40
2,127
Rankings
Ranking Based On Selection: 7
Ali Alami
Metrics
 
H-Index
i10 Index
Citation Counts
24
47
1,675
Epidemiology
Biostatistics
Sociology
Equity&Equality
International Healt
Rankings
Ranking Based On Selection: 8
Ali Abbasi Mendi
Metrics
 
H-Index
i10 Index
Citation Counts
22
25
1,355
Rankings
Ranking Based On Selection: 9
Davoud Salarbashi
Metrics
 
H-Index
i10 Index
Citation Counts
22
28
1,491
Natural product
Nanobiocomposite
drug delivery
Control Releas
Rankings
Ranking Based On Selection: 10
Seyed Hosein Abtahi Eivary
Metrics
 
H-Index
i10 Index
Citation Counts
21
36
1,662
Rankings
Ranking Based On Selection: 11
Seyed-Amir Tabatabaeizadeh
Metrics
 
H-Index
i10 Index
Citation Counts
21
27
8,006
Nutrition
Inflammation
Gut Microbiome
Vitamin D
Chronic Disease
Rankings
Ranking Based On Selection: 12
Moosa Sajjadi
Metrics
 
H-Index
i10 Index
Citation Counts
20
34
1,270
Cancer Care
Chronic Illness
Palliative Care
Scale Developmen
Rankings
Ranking Based On Selection: 13
Roya Mohammadzadeh Kakhki
Metrics
 
H-Index
i10 Index
Citation Counts
20
39
1,252
Rankings
Ranking Based On Selection: 16
Alireza Jafari
Metrics
 
H-Index
i10 Index
Citation Counts
18
30
1,219
Rankings
Ranking Based On Selection: 17
Mojtaba Kianmehr
Metrics
 
H-Index
i10 Index
Citation Counts
17
28
1,604
Rankings
Ranking Based On Selection: 18
Fatemeh Mohammadzadeh
Metrics
 
H-Index
i10 Index
Citation Counts
17
23
713
public health
psychology
data mining and machine learnin
Rankings
Ranking Based On Selection: 19
Jahanshir Tavakolizadeh
Metrics
 
H-Index
i10 Index
Citation Counts
17
32
1,227
Psychotherapy
Psychosomtic Medicine
self-regulation
Epidemiology of mental health and Psychosomatic Medicin
Rankings
Ranking Based On Selection: 20
Mostafa Mousavizade Noghabi
Metrics
 
H-Index
i10 Index
Citation Counts
16
22
1,096
Rankings
Ranking Based On Selection: 21
Mohammad Hossein Jabbarpoor Bonyadi
Metrics
 
H-Index
i10 Index
Citation Counts
16
26
798
Rankings
Ranking Based On Selection: 22
Mansoureh Farhang
Metrics
 
H-Index
i10 Index
Citation Counts
15
16
1,184
Rankings
Ranking Based On Selection: 23
Mohammad Hossein Beheshti
Metrics
 
H-Index
i10 Index
Citation Counts
15
27
816
Rankings
Ranking Based On Selection: 24
Alireza Atarodi
Metrics
 
H-Index
i10 Index
Citation Counts
15
20
703
Rankings
Ranking Based On Selection: 25
Shadan Navid
Metrics
 
H-Index
i10 Index
Citation Counts
14
15
518
cell biology . stem cell therapy
Antropology
reproductive biolog