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” (1,121,299 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.

* Total H Index Rankings

Rankings

flag
153,451
World Rank
Iran
1,370
Country Rank
Mashhad University of Medical Sciences Logo
44
University
Ranking Based On Selection:
1
* Total H Index Rankings

Rankings

flag
162,864
World Rank
Iran
1,510
Country Rank
Mashhad University of Medical Sciences Logo
48
University
Ranking Based On Selection:
2
Medical and Health Sciences / Nursing and Midwifery
Nursing Practice | Nursing Research | Nursing Educatio

H-Index Metrics

  • H-Index
    39
  • i10 Index
    125
  • Citation Counts
    5,207
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
244,394
World Rank
Iran
2,817
Country Rank
Mashhad University of Medical Sciences Logo
77
University
Ranking Based On Selection:
3
Medical and Health Sciences / Nursing and Midwifery
Qualitative and quantitative research in medical and nursing educatio

H-Index Metrics

  • H-Index
    31
  • i10 Index
    98
  • Citation Counts
    3,648
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
257,270
World Rank
Iran
3,030
Country Rank
Mashhad University of Medical Sciences Logo
84
University
Ranking Based On Selection:
4
* Total H Index Rankings

Rankings

flag
375,572
World Rank
Iran
5,452
Country Rank
Mashhad University of Medical Sciences Logo
138
University
Ranking Based On Selection:
5
* Total H Index Rankings

Rankings

flag
478,419
World Rank
Iran
7,761
Country Rank
Mashhad University of Medical Sciences Logo
188
University
Ranking Based On Selection:
6

H-Index Metrics

  • H-Index
    20
  • i10 Index
    34
  • Citation Counts
    1,620
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
485,514
World Rank
Iran
7,964
Country Rank
Mashhad University of Medical Sciences Logo
190
University
Ranking Based On Selection:
7
Medical and Health Sciences / Nursing and Midwifery
Nursing Management | Medical Education | Oncology Nursing | Qualitative Researc

H-Index Metrics

  • H-Index
    20
  • i10 Index
    40
  • Citation Counts
    2,592
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
489,160
World Rank
Iran
8,088
Country Rank
Mashhad University of Medical Sciences Logo
193
University
Ranking Based On Selection:
8
* Total H Index Rankings

Rankings

flag
492,604
World Rank
Iran
8,219
Country Rank
Mashhad University of Medical Sciences Logo
199
University
Ranking Based On Selection:
9
* Total H Index Rankings

Rankings

flag
546,262
World Rank
Iran
9,416
Country Rank
Mashhad University of Medical Sciences Logo
233
University
Ranking Based On Selection:
10
* Total H Index Rankings

Rankings

flag
546,634
World Rank
Iran
9,445
Country Rank
Mashhad University of Medical Sciences Logo
234
University
Ranking Based On Selection:
11
* Total H Index Rankings

Rankings

flag
660,264
World Rank
Iran
12,378
Country Rank
Mashhad University of Medical Sciences Logo
308
University
Ranking Based On Selection:
12
* Total H Index Rankings

Rankings

flag
673,002
World Rank
Iran
12,713
Country Rank
Mashhad University of Medical Sciences Logo
314
University
Ranking Based On Selection:
13
Medical and Health Sciences / Nursing and Midwifery
Reproductive Health | Women's Health | Midwifery | Maternal & child Health | Public Healt

H-Index Metrics

  • H-Index
    15
  • i10 Index
    21
  • Citation Counts
    1,251
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
721,476
World Rank
Iran
13,863
Country Rank
Mashhad University of Medical Sciences Logo
332
University
Ranking Based On Selection:
14
Medical and Health Sciences / Nursing and Midwifery
Management | Health policy | Health | Radiology | Nursin

H-Index Metrics

  • H-Index
    14
  • i10 Index
    22
  • Citation Counts
    791
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
733,691
World Rank
Iran
14,247
Country Rank
Mashhad University of Medical Sciences Logo
338
University
Ranking Based On Selection:
15
Medical and Health Sciences / Nursing and Midwifery
Pediatric Nursing | Neonatal Nursing | Nursing Educatio

H-Index Metrics

  • H-Index
    14
  • i10 Index
    17
  • Citation Counts
    451
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
779,210
World Rank
Iran
15,143
Country Rank
Mashhad University of Medical Sciences Logo
354
University
Ranking Based On Selection:
16
* Total H Index Rankings

Rankings

flag
787,194
World Rank
Iran
15,354
Country Rank
Mashhad University of Medical Sciences Logo
356
University
Ranking Based On Selection:
17
* Total H Index Rankings

Rankings

flag
995,513
World Rank
Iran
19,343
Country Rank
Mashhad University of Medical Sciences Logo
392
University
Ranking Based On Selection:
18
Medical and Health Sciences / Nursing and Midwifery
Medical Surgical Nursing | Cardiac nursing | Intensive car

H-Index Metrics

  • H-Index
    10
  • i10 Index
    11
  • Citation Counts
    347
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
1,418,143
World Rank
Iran
27,359
Country Rank
Mashhad University of Medical Sciences Logo
526
University
Ranking Based On Selection:
19
* Total H Index Rankings

Rankings

flag
1,495,038
World Rank
Iran
29,096
Country Rank
Mashhad University of Medical Sciences Logo
572
University
Ranking Based On Selection:
20
* Total H Index Rankings

Rankings

flag
1,587,797
World Rank
Iran
31,160
Country Rank
Mashhad University of Medical Sciences Logo
621
University
Ranking Based On Selection:
21
* Total H Index Rankings

Rankings

flag
1,622,796
World Rank
Iran
31,980
Country Rank
Mashhad University of Medical Sciences Logo
647
University
Ranking Based On Selection:
22
Medical and Health Sciences / Nursing and Midwifery
pediatric nursing | childhood obesity | comunicatio

H-Index Metrics

  • H-Index
    5
  • i10 Index
    3
  • Citation Counts
    74
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
1,659,829
World Rank
Iran
32,778
Country Rank
Mashhad University of Medical Sciences Logo
676
University
Ranking Based On Selection:
23
* Total H Index Rankings

Rankings

flag
1,821,227
World Rank
Iran
36,934
Country Rank
Mashhad University of Medical Sciences Logo
760
University
Ranking Based On Selection:
24
Medical and Health Sciences / Nursing and Midwifery
Midwifery | Reproductive rights | Reproductive health | Third party reproduction | Infertilit

H-Index Metrics

  • H-Index
    4
  • i10 Index
    2
  • Citation Counts
    61
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
1,850,896
World Rank
Iran
37,584
Country Rank
Mashhad University of Medical Sciences Logo
779
University
Ranking Based On Selection:
25