The ranking of “Top 100” scientists is based on total h-index scores. Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, EECA, BRICS, and COMESA 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, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (829,221 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.
* Rankings
World Rank
56,919
Country Rank
267
Institution Rank :
1
Epidemiology
Public Health
Health Inequality
SDH (Social Determinants of Health)
HIV/AIDS
Metrics
H-Index
i10 Index
Citation
57
157
80,578
* Rankings
World Rank
69,519
Country Rank
363
Institution Rank :
2
Inflammation & Immunity
Metrics
H-Index
i10 Index
Citation
52
103
9,954
* Rankings
World Rank
77,685
Country Rank
425
Institution Rank :
3
Water and wastewater
Metrics
H-Index
i10 Index
Citation
51
173
23,484
* Rankings
World Rank
139,197
Country Rank
1,117
Institution Rank :
4
Environmental Science (Nanotechnology)
Metrics
H-Index
i10 Index
Citation
39
91
4,342
* Rankings
World Rank
173,456
Country Rank
1,552
Institution Rank :
5
Molecular Epidemiology
Evidence Synthesis
Gender Identity
High Risk Behaviors
Metrics
H-Index
i10 Index
Citation
38
94
7,170
* Rankings
World Rank
195,629
Country Rank
1,917
Institution Rank :
6
Systematic review
Scale development
Nursing
Metrics
H-Index
i10 Index
Citation
33
113
6,588
* Rankings
World Rank
236,921
Country Rank
2,586
Institution Rank :
7
Immunology
allergy
Chronic Urticaria
Pharmacognosy
Cancer
Metrics
H-Index
i10 Index
Citation
30
58
4,278
* Rankings
World Rank
250,637
Country Rank
2,819
Institution Rank :
8
Membrane technology for water and wastewater treatment
Metrics
H-Index
i10 Index
Citation
29
74
3,173
* Rankings
World Rank
281,902
Country Rank
3,375
Institution Rank :
9
Water and wastewater treatment
Metrics
H-Index
i10 Index
Citation
27
44
2,459
* Rankings
World Rank
303,812
Country Rank
3,812
Institution Rank :
10
psychiatry
Metrics
H-Index
i10 Index
Citation
27
46
2,188
* Rankings
World Rank
304,918
Country Rank
3,831
Institution Rank :
11
Epidemiology
Communicable Diseases
Surveillance System
Public Health and Health Policy
RCT
Metrics
H-Index
i10 Index
Citation
26
73
2,362
* Rankings
World Rank
328,435
Country Rank
4,336
Institution Rank :
22
Feed Addetives
Feed Ingredients
Medicinal Plants
Metrics
H-Index
i10 Index
Citation
25
45
1,822
* Rankings
World Rank
340,128
Country Rank
4,506
Institution Rank :
12
Social Determinants of Health
Health Inequality
UHC
Vulnerable Populations
Healthcare Access
Metrics
H-Index
i10 Index
Citation
24
44
2,636
* Rankings
World Rank
341,720
Country Rank
4,548
Institution Rank :
13
Environmental Analytical Chemist
Metrics
H-Index
i10 Index
Citation
25
49
2,210
* Rankings
World Rank
373,173
Country Rank
5,307
Institution Rank :
30
Animal nutrition
Feed enzymes
Feed additives
Feed ingredients
Phytase
Metrics
H-Index
i10 Index
Citation
23
44
1,712
* Rankings
World Rank
374,334
Country Rank
5,335
Institution Rank :
32
Quantitative Genetics
Metrics
H-Index
i10 Index
Citation
23
33
1,842
* Rankings
World Rank
379,975
Country Rank
5,463
Institution Rank :
14
Hematological Cancer
Stem Cells
Metrics
H-Index
i10 Index
Citation
23
45
1,812
* Rankings
World Rank
390,544
Country Rank
5,632
Institution Rank :
15
Time Series
Meta-Analysis
modeling in medicine
Metrics
H-Index
i10 Index
Citation
22
47
1,842
* Rankings
World Rank
390,698
Country Rank
5,640
Institution Rank :
16
Nursing Care
Qualitative research
Nursing Education
Critical Care
Metrics
H-Index
i10 Index
Citation
22
43
1,820
* Rankings
World Rank
393,363
Country Rank
5,700
Institution Rank :
17
Biostatistics
survival analysis
Metrics
H-Index
i10 Index
Citation
23
59
2,142
* Rankings
World Rank
395,722
Country Rank
5,778
Institution Rank :
18
Addiction
relapse
women studies
behavior change
lifes
Metrics
H-Index
i10 Index
Citation
23
29
9,601
* Rankings
World Rank
403,473
Country Rank
5,995
Institution Rank :
19
Health Psychology
Breast Cancer Screening Behaviors
Physical Activity
Metrics
H-Index
i10 Index
Citation
22
33
9,416
* Rankings
World Rank
419,943
Country Rank
6,311
Institution Rank :
20
Social determinant of Health
Cancer Epidemiology
Health inequality
Mental health epidemiology
Metrics
H-Index
i10 Index
Citation
21
29
10,759
* Rankings
World Rank
425,203
Country Rank
6,455
Institution Rank :
21
Stem cell biology and Transgenic animals
Metrics
H-Index
i10 Index
Citation
21
42
1,910
* Rankings
World Rank
431,541
Country Rank
6,649
Institution Rank :
22
Medical Bacteriology
Metrics
H-Index
i10 Index
Citation
22
49
1,540
* Rankings
World Rank
441,934
Country Rank
6,797
Institution Rank :
23
Health Management
Social Determinants of Health
Metrics
H-Index
i10 Index
Citation
20
42
2,013
* Rankings
World Rank
444,477
Country Rank
6,855
Institution Rank :
24
Sanandaj
Metrics
H-Index
i10 Index
Citation
20
40
1,407
* Rankings
World Rank
445,175
Country Rank
6,881
Institution Rank :
25
Health education
Health promotion
community health nursing
Metrics
H-Index
i10 Index
Citation
21
34
1,301
* Rankings
World Rank
456,375
Country Rank
7,224
Institution Rank :
26
Epidemiology
Clinical Epidemiology
systematic review and Meta analysis
Medical research
Metrics
H-Index
i10 Index
Citation
21
37
1,449
* Rankings
World Rank
461,078
Country Rank
7,361
Institution Rank :
27
environmental health
Metrics
H-Index
i10 Index
Citation
20
30
1,588
* Rankings
World Rank
489,417
Country Rank
8,003
Institution Rank :
28
Clinical biochemistry
Metrics
H-Index
i10 Index
Citation
19
37
1,049
* Rankings
World Rank
511,661
Country Rank
8,477
Institution Rank :
29
Metrics
H-Index
i10 Index
Citation
19
26
4,868
* Rankings
World Rank
515,577
Country Rank
8,583
Institution Rank :
30
Noise Effects
Environmental Ergonomics
occupational epidemiology
Metrics
H-Index
i10 Index
Citation
18
32
949
* Rankings
World Rank
524,810
Country Rank
8,882
Institution Rank :
56
Reproductive physiology
Metrics
H-Index
i10 Index
Citation
18
21
980
* Rankings
World Rank
532,786
Country Rank
9,133
Institution Rank :
31
neuroscince
stem cell
Metrics
H-Index
i10 Index
Citation
18
26
789
* Rankings
World Rank
533,082
Country Rank
9,136
Institution Rank :
32
Environmental Health
Water and Wastewater
Metrics
H-Index
i10 Index
Citation
18
21
2,817
* Rankings
World Rank
545,169
Country Rank
9,319
Institution Rank :
59
Poultry nutrition
Mineral nutrition
Medicinal Plants
Byproducts
Metrics
H-Index
i10 Index
Citation
17
22
1,463
* Rankings
World Rank
565,821
Country Rank
9,958
Institution Rank :
33
Hematology
Molecular Medicine
Genetics
Biology
Immunology
Metrics
H-Index
i10 Index
Citation
18
28
922
* Rankings
World Rank
572,702
Country Rank
10,158
Institution Rank :
34
Environmental Microbiology and Biotechnology
Metrics
H-Index
i10 Index
Citation
17
21
687
* Rankings
World Rank
590,861
Country Rank
10,501
Institution Rank :
35
Pediatric Infectious Diseases
Metrics
H-Index
i10 Index
Citation
16
20
2,310
* Rankings
World Rank
596,242
Country Rank
10,657
Institution Rank :
36
Psychology and Psychiatry
Metrics
H-Index
i10 Index
Citation
16
23
904
* Rankings
World Rank
602,288
Country Rank
10,846
Institution Rank :
37
Metrics
H-Index
i10 Index
Citation
16
25
819
* Rankings
World Rank
603,280
Country Rank
10,889
Institution Rank :
71
genetics
Metrics
H-Index
i10 Index
Citation
16
23
704
* Rankings
World Rank
614,623
Country Rank
11,239
Institution Rank :
38
gastroenterology
neuroscience
Metrics
H-Index
i10 Index
Citation
16
22
751
* Rankings
World Rank
635,004
Country Rank
11,646
Institution Rank :
39
Metrics
H-Index
i10 Index
Citation
15
19
653
* Rankings
World Rank
646,290
Country Rank
11,972
Institution Rank :
40
Pediatrics
public health
Violence
Metrics
H-Index
i10 Index
Citation
15
30
889
* Rankings
World Rank
654,736
Country Rank
12,277
Institution Rank :
41
Home health nursing
Critical Care Nursing
Diabetes
Epilepsy
Metrics
H-Index
i10 Index
Citation
15
22
681
* Rankings
World Rank
680,918
Country Rank
12,883
Institution Rank :
42
Metrics
H-Index
i10 Index
Citation
14
18
588
* Rankings
World Rank
739,572
Country Rank
14,364
Institution Rank :
43
Metrics
H-Index
i10 Index
Citation
13
17
646
* Rankings
World Rank
743,054
Country Rank
14,496
Institution Rank :
44
Midwifery
Sleep disorders
Chronic disease
Metrics
H-Index
i10 Index
Citation
13
15
398
* Rankings
World Rank
757,805
Country Rank
14,878
Institution Rank :
45
Dentistry
Oral and Maxillofacial Pathology
Metrics
H-Index
i10 Index
Citation
13
15
434
* Rankings
World Rank
757,814
Country Rank
14,879
Institution Rank :
46
neonatology and pediatric
Metrics
H-Index
i10 Index
Citation
13
15
427
* Rankings
World Rank
791,817
Country Rank
15,548
Institution Rank :
47
Metrics
H-Index
i10 Index
Citation
12
12
314
* Rankings
World Rank
793,501
Country Rank
15,621
Institution Rank :
48
infectious disease
UTI
BRUCELLOSIS
sepsis
tularemia
Metrics
H-Index
i10 Index
Citation
12
16
441
* Rankings
World Rank
796,995
Country Rank
15,738
Institution Rank :
49
Immunology
Hematological Cancer
Metrics
H-Index
i10 Index
Citation
12
14
366
* Rankings
World Rank
801,844
Country Rank
15,864
Institution Rank :
50
Medical Entomology
leishmaniasis
Medical Education
GIS
Public Health
Metrics
H-Index
i10 Index
Citation
13
19
534
* Rankings
World Rank
829,502
Country Rank
16,382
Institution Rank :
51
cancer
regenerative medicine
tissue engineering
stem cell
exosome
Metrics
H-Index
i10 Index
Citation
11
12
517
* Rankings
World Rank
837,549
Country Rank
16,546
Institution Rank :
52
Microbiology
Bacteriology
Metrics
H-Index
i10 Index
Citation
11
16
625
* Rankings
World Rank
837,646
Country Rank
16,549
Institution Rank :
53
Medical Virology
Metrics
H-Index
i10 Index
Citation
11
15
516
* Rankings
World Rank
841,043
Country Rank
16,680
Institution Rank :
54
Hematology
Medical Oncology
cancer
Metrics
H-Index
i10 Index
Citation
11
13
357
* Rankings
World Rank
849,079
Country Rank
16,913
Institution Rank :
55
Nano sciences and Ecotoxicology
Metrics
H-Index
i10 Index
Citation
11
11
413
* Rankings
World Rank
849,294
Country Rank
16,921
Institution Rank :
56
microbiology
Metrics
H-Index
i10 Index
Citation
11
11
387
* Rankings
World Rank
851,948
Country Rank
17,017
Institution Rank :
57
sonodynamic therapy
nanomedicine
radiation therapy
Metrics
H-Index
i10 Index
Citation
11
13
691
* Rankings
World Rank
855,243
Country Rank
17,107
Institution Rank :
58
Disaster Medicine
Health in Disaster
Epidemiologic Study
Case Control Study
Metrics
H-Index
i10 Index
Citation
11
12
465
* Rankings
World Rank
855,838
Country Rank
17,131
Institution Rank :
59
radiotherapy dosimetry and planning
Metrics
H-Index
i10 Index
Citation
11
12
383
* Rankings
World Rank
860,087
Country Rank
17,260
Institution Rank :
60
Electrochemistry
Biosensors
Nanomaterials
Sensors
Environmental pollutions
Metrics
H-Index
i10 Index
Citation
11
11
330
* Rankings
World Rank
891,871
Country Rank
17,873
Institution Rank :
61
ADHD
Metrics
H-Index
i10 Index
Citation
10
10
499
* Rankings
World Rank
900,581
Country Rank
18,096
Institution Rank :
62
Medical Education
Medical Errors
Patient Safety
disasters management
Professionalism، disaster management
Metrics
H-Index
i10 Index
Citation
10
11
551
* Rankings
World Rank
907,850
Country Rank
18,277
Institution Rank :
63
Food Safety
Metrics
H-Index
i10 Index
Citation
10
11
466
* Rankings
World Rank
910,566
Country Rank
18,385
Institution Rank :
64
Emergency Medicine
CPR
Ultrasound
Trauma
Critical Care
Metrics
H-Index
i10 Index
Citation
10
10
329
* Rankings
World Rank
917,146
Country Rank
18,650
Institution Rank :
65
Alzheimer's disease
Optogenetic approaches
neural repair mechanisms
Neurogenesis
Neural differentiation pathways
Metrics
H-Index
i10 Index
Citation
10
11
202
* Rankings
World Rank
920,068
Country Rank
18,694
Institution Rank :
66
Nursing
Metrics
H-Index
i10 Index
Citation
10
10
502
* Rankings
World Rank
928,592
Country Rank
18,949
Institution Rank :
67
Medicine
Medical Genetics
Cancer Biology
Medical Education & Evidence Based Medicine
Metrics
H-Index
i10 Index
Citation
10
10
575
* Rankings
World Rank
930,475
Country Rank
18,979
Institution Rank :
68
Physiology
Metrics
H-Index
i10 Index
Citation
10
10
353
* Rankings
World Rank
952,447
Country Rank
19,378
Institution Rank :
69
human reproductive
infertility
Metrics
H-Index
i10 Index
Citation
9
9
310
* Rankings
World Rank
953,007
Country Rank
19,393
Institution Rank :
70
Critical Care Nursing
systematic review and meta-analysis
Metrics
H-Index
i10 Index
Citation
9
9
299
* Rankings
World Rank
960,597
Country Rank
19,560
Institution Rank :
71
molecular genetics
Stem cells
CRISPR/Cas9
Metrics
H-Index
i10 Index
Citation
9
8
357
* Rankings
World Rank
962,066
Country Rank
19,592
Institution Rank :
72
Genetics
Bioinformatic
Metrics
H-Index
i10 Index
Citation
9
8
272
* Rankings
World Rank
962,132
Country Rank
19,597
Institution Rank :
131
Biostatistics
Quantitative Genetics
Animal Breeding
Honey bee
Metrics
H-Index
i10 Index
Citation
9
8
269
* Rankings
World Rank
968,769
Country Rank
19,697
Institution Rank :
73
Reproductive Biology
Cancer
Angiogenesis
Neurosciences
Metrics
H-Index
i10 Index
Citation
9
9
598
* Rankings
World Rank
969,883
Country Rank
19,731
Institution Rank :
74
Rheumatology
Metrics
H-Index
i10 Index
Citation
9
9
474
* Rankings
World Rank
970,666
Country Rank
19,762
Institution Rank :
75
Gynecology
Metrics
H-Index
i10 Index
Citation
9
9
418
* Rankings
World Rank
971,958
Country Rank
19,803
Institution Rank :
76
nursing
knowledge management.
Metrics
H-Index
i10 Index
Citation
9
9
352
* Rankings
World Rank
991,428
Country Rank
20,461
Institution Rank :
77
Endourology
Kidney Stone
Prostate Cancer
Metrics
H-Index
i10 Index
Citation
9
9
468
* Rankings
World Rank
1,007,248
Country Rank
20,844
Institution Rank :
78
Cell Memory
Holographic Principle
Stem Cell Biology
Cellular Reprogramming
Metrics
H-Index
i10 Index
Citation
9
6
292
* Rankings
World Rank
1,011,125
Country Rank
20,868
Institution Rank :
79
Medical Ethics
Medical Law
Pharmacy Ethics and Law
Patient Rights
human rights education
Metrics
H-Index
i10 Index
Citation
8
8
1,046
* Rankings
World Rank
1,024,491
Country Rank
21,174
Institution Rank :
80
endocrinology and metabolism
Metrics
H-Index
i10 Index
Citation
8
8
174
* Rankings
World Rank
1,024,775
Country Rank
21,179
Institution Rank :
81
Molecular medicine
Genetics
Molecular biology
Metrics
H-Index
i10 Index
Citation
8
8
164
* Rankings
World Rank
1,033,589
Country Rank
21,376
Institution Rank :
82
Occupational safety & health - Risk assessment & Management - Occupational Medicine - Air Pollution
Metrics
H-Index
i10 Index
Citation
8
7
198
* Rankings
World Rank
1,048,542
Country Rank
21,639
Institution Rank :
83
Information Science
Metrics
H-Index
i10 Index
Citation
8
8
272
* Rankings
World Rank
1,049,234
Country Rank
21,668
Institution Rank :
84
Gynecology
Endocrinology
Infertility
Metrics
H-Index
i10 Index
Citation
8
8
241
* Rankings
World Rank
1,056,502
Country Rank
21,929
Institution Rank :
85
nursing
Metrics
H-Index
i10 Index
Citation
8
7
208
* Rankings
World Rank
1,056,548
Country Rank
21,932
Institution Rank :
86
parasitology
Metrics
H-Index
i10 Index
Citation
8
7
207
* Rankings
World Rank
1,059,498
Country Rank
22,009
Institution Rank :
87
Molecular parasitology
Metrics
H-Index
i10 Index
Citation
8
6
284
* Rankings
World Rank
1,062,260
Country Rank
22,107
Institution Rank :
88
leishmania
intestinalis nematoda
Metrics
H-Index
i10 Index
Citation
8
6
153
* Rankings
World Rank
1,062,596
Country Rank
22,123
Institution Rank :
89
Occupational Health
Metrics
H-Index
i10 Index
Citation
8
6
127
* Rankings
World Rank
1,068,255
Country Rank
22,256
Institution Rank :
90
Medical Microbiology
Antimicrobial Resistance
bacterial Molecular Epidemiology
Metrics
H-Index
i10 Index
Citation
8
8
189
* Rankings
World Rank
1,074,939
Country Rank
22,460
Institution Rank :
91
health promotion
health education
healthy life style
nutrition literacy
ethic
Metrics
H-Index
i10 Index
Citation
8
6
202
* Rankings
World Rank
1,107,782
Country Rank
23,059
Institution Rank :
92
Neuroscience
Metrics
H-Index
i10 Index
Citation
7
6
269
* Rankings
World Rank
1,115,549
Country Rank
23,200
Institution Rank :
93
anesthesiology
Metrics
H-Index
i10 Index
Citation
7
6
156
Rankings
56,919
267
1