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H-Index
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United States 459,632 Scientists H-Index Rankings - 2026

Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.

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Total 459.632 scientist , 3,197 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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5
World Rank
United States
1
Country Rank
Harvard University Logo
1
University
Ranking Based On Selection:
1
Ronald C Kessler
Harvard University Cambridge, United States
Medical and Health Sciences / Psychiatry
Psychiatric Epidemiolog

H-Index Metrics

  • Total
    354
  • Last 5 Years
    207
  • Last 5 Years / Total
    0.585
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* Total H Index Rankings

Rankings

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6
World Rank
United States
2
Country Rank
Georgia Institute of Technology Logo
1
University
Ranking Based On Selection:
2
Zhong Lin Wang
Georgia Institute of Technology Atlanta, United States
Engineering & Technology / Nanoscience and Nanotechnology
nanogenerator | self-powered sensors/systems | blue energy | piezotronics | piezo-phototronic

H-Index Metrics

  • Total
    340
  • Last 5 Years
    252
  • Last 5 Years / Total
    0.741
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* Total H Index Rankings

Rankings

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7
World Rank
United States
3
Country Rank
Massachusetts Institute of Technology Logo
1
University
Ranking Based On Selection:
3
Robert Langer
Massachusetts Institute of Technology Cambridge, United States
Engineering & Technology / Bioengineering
drug delivery | tissue engineering | biomaterials | nanotechnology | chemistr

H-Index Metrics

  • Total
    334
  • Last 5 Years
    173
  • Last 5 Years / Total
    0.518
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* Total H Index Rankings

Rankings

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8
World Rank
United States
4
Country Rank
Harvard University Logo
2
University
Ranking Based On Selection:
4
Frank B Hu
Harvard University Cambridge, United States
Medical and Health Sciences / Epidemiology and Public Health

H-Index Metrics

  • Total
    330
  • Last 5 Years
    211
  • Last 5 Years / Total
    0.639
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* Total H Index Rankings

Rankings

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9
World Rank
United States
5
Country Rank
Harvard University Logo
3
University
Ranking Based On Selection:
5
Joann E Manson
Harvard University Cambridge, United States
Medical and Health Sciences / Endocrinology and Metabolism
Endocrinology | Epidemiology | Cardiovascular Disease | Diabetes | Women's healt

H-Index Metrics

  • Total
    329
  • Last 5 Years
    170
  • Last 5 Years / Total
    0.517
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* Total H Index Rankings

Rankings

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10
World Rank
United States
6
Country Rank
Washington University Saint Louis Logo
1
University
Ranking Based On Selection:
6
Graham Colditz
Washington University Saint Louis St. Louis, United States
Medical and Health Sciences / Epidemiology and Public Health
Epidemiology | Cancer Prevention | Health Outcome

H-Index Metrics

  • Total
    320
  • Last 5 Years
    129
  • Last 5 Years / Total
    0.403
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* Total H Index Rankings

Rankings

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12
World Rank
United States
7
Country Rank
Harvard University Logo
4
University
Ranking Based On Selection:
7
Eric Lander
Harvard University Cambridge, United States
Natural Sciences / Mathematical Sciences
Biology | Genomics | Genetics | Bioinformatics | Mathematics

H-Index Metrics

  • Total
    319
  • Last 5 Years
    206
  • Last 5 Years / Total
    0.646
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* Total H Index Rankings

Rankings

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13
World Rank
United States
8
Country Rank
University of Wisconsin Madison Logo
1
University
Ranking Based On Selection:
8
Fuquan Wang
University of Wisconsin Madison Madison, United States
Natural Sciences / Physics
Particle Physic

H-Index Metrics

  • Total
    317
  • Last 5 Years
    223
  • Last 5 Years / Total
    0.703
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* Total H Index Rankings

Rankings

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25
World Rank
United States
9
Country Rank
University of Oregon Logo
1
University
Ranking Based On Selection:
9
James Brau
University of Oregon Eugene, United States
Natural Sciences / Physics
particle physic

H-Index Metrics

  • Total
    303
  • Last 5 Years
    195
  • Last 5 Years / Total
    0.644
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* Total H Index Rankings

Rankings

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26
World Rank
United States
10
Country Rank
University of Massachusetts Amherst Logo
1
University
Ranking Based On Selection:
10
Stephane Willocq
University of Massachusetts Amherst Amherst, United States
Natural Sciences / Physics
particle physic

H-Index Metrics

  • Total
    302
  • Last 5 Years
    185
  • Last 5 Years / Total
    0.613
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* Total H Index Rankings

Rankings

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28
World Rank
United States
11
Country Rank
Johns Hopkins University Logo
1
University
Ranking Based On Selection:
11
Bert Vogelstein
Johns Hopkins University Baltimore, United States
Natural Sciences / Molecular Biology & Genetics
Cancer | Biolog

H-Index Metrics

  • Total
    300
  • Last 5 Years
    155
  • Last 5 Years / Total
    0.517
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* Total H Index Rankings

Rankings

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30
World Rank
United States
12
Country Rank
Harvard University Logo
5
University
Ranking Based On Selection:
12
Paul M Ridker
Harvard University Cambridge, United States
Medical and Health Sciences / Epidemiology and Public Health

H-Index Metrics

  • Total
    298
  • Last 5 Years
    178
  • Last 5 Years / Total
    0.597
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* Total H Index Rankings

Rankings

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31
World Rank
United States
13
Country Rank
Stanford University Logo
1
University
Ranking Based On Selection:
13
Yi Cui
Stanford University Stanford, United States
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology | energy | environment | 2D materials | nanobi

H-Index Metrics

  • Total
    295
  • Last 5 Years
    233
  • Last 5 Years / Total
    0.790
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* Total H Index Rankings

Rankings

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36
World Rank
United States
14
Country Rank
Duke University Logo
1
University
Ranking Based On Selection:
14
Lei Layla Li
Duke University Durham, United States
Natural Sciences / Physics
Experimental high energy physics | Particle physic

H-Index Metrics

  • Total
    289
  • Last 5 Years
    191
  • Last 5 Years / Total
    0.661
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* Total H Index Rankings

Rankings

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37
World Rank
United States
15
Country Rank
Yale University Logo
1
University
Ranking Based On Selection:
15
Richard A Flavell
Yale University New Haven, United States
Medical and Health Sciences / Immunology
Immunolog

H-Index Metrics

  • Total
    289
  • Last 5 Years
    145
  • Last 5 Years / Total
    0.502
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* Total H Index Rankings

Rankings

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39
World Rank
United States
16
Country Rank
University of California San Diego Logo
1
University
Ranking Based On Selection:
16
Michael Karin
University of California San Diego San Diego, United States
Medical and Health Sciences / Pharmacology
Molecular Biology | Immunology | Cancer Biology | Signal Transductio

H-Index Metrics

  • Total
    287
  • Last 5 Years
    137
  • Last 5 Years / Total
    0.477
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* Total H Index Rankings

Rankings

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42
World Rank
United States
17
Country Rank
National Institute on Aging Logo
1
University
Ranking Based On Selection:
17
Luigi Ferrucci
National Institute on Aging Bethesda, United States
Medical and Health Sciences / Geriatrics
Geriatrics and Gerontolog

H-Index Metrics

  • Total
    283
  • Last 5 Years
    187
  • Last 5 Years / Total
    0.661
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* Total H Index Rankings

Rankings

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44
World Rank
United States
18
Country Rank
University of Oregon Logo
2
University
Ranking Based On Selection:
18
Eric Torrence
University of Oregon Eugene, United States
Natural Sciences / Physics
High Energy Physics | Particle Physics | Physic

H-Index Metrics

  • Total
    281
  • Last 5 Years
    177
  • Last 5 Years / Total
    0.630
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* Total H Index Rankings

Rankings

flag
45
World Rank
United States
19
Country Rank
Cornell University Logo
1
University
Ranking Based On Selection:
19
Peter Wittich
Cornell University Ithaca, United States
Natural Sciences / Physics
experimental particle physic

H-Index Metrics

  • Total
    281
  • Last 5 Years
    156
  • Last 5 Years / Total
    0.555
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* Total H Index Rankings

Rankings

flag
48
World Rank
United States
20
Country Rank
University of Massachusetts Amherst Logo
2
University
Ranking Based On Selection:
20
Carlo Dallapiccola
University of Massachusetts Amherst Amherst, United States
Natural Sciences / Physics
experimental high energy physics | experimental particle physic

H-Index Metrics

  • Total
    278
  • Last 5 Years
    172
  • Last 5 Years / Total
    0.619
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* Total H Index Rankings

Rankings

flag
49
World Rank
United States
21
Country Rank
Stanford University Logo
2
University
Ranking Based On Selection:
21
John PA Ioannidis
Stanford University Stanford, United States
Medical and Health Sciences / Biostatistics
meta-research | clinical epidemiology | evidence-based medicine | research methods | meta-analysi

H-Index Metrics

  • Total
    276
  • Last 5 Years
    196
  • Last 5 Years / Total
    0.710
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* Total H Index Rankings

Rankings

flag
51
World Rank
United States
22
Country Rank
Johns Hopkins University Logo
2
University
Ranking Based On Selection:
22
Andrei Gritsan
Johns Hopkins University Baltimore, United States
Natural Sciences / Physics
Particle Physic

H-Index Metrics

  • Total
    275
  • Last 5 Years
    160
  • Last 5 Years / Total
    0.582
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* Total H Index Rankings

Rankings

flag
52
World Rank
United States
23
Country Rank
National Institutes of Health Logo
1
University
Ranking Based On Selection:
23
Daniel Levy
National Institutes of Health Bethesda, United States
Natural Sciences / Molecular Biology & Genetics
Genetics | Genomics | Epidemiology | Cardiovascular Diseas

H-Index Metrics

  • Total
    275
  • Last 5 Years
    158
  • Last 5 Years / Total
    0.575
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* Total H Index Rankings

Rankings

flag
53
World Rank
United States
24
Country Rank
University of Washington Logo
1
University
Ranking Based On Selection:
24
Ali H Mokdad
University of Washington Seattle, United States
Medical and Health Sciences / Epidemiology and Public Health
Health Metrics | Population Health | Risk Factors | Global Health | Epidemiolog

H-Index Metrics

  • Total
    274
  • Last 5 Years
    228
  • Last 5 Years / Total
    0.832
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* Total H Index Rankings

Rankings

flag
54
World Rank
United States
25
Country Rank
University of Arizona Logo
1
University
Ranking Based On Selection:
25
John Rutherfoord
University of Arizona Tucson, United States
Natural Sciences / Physics
Experimental Partical Physic

H-Index Metrics

  • Total
    274
  • Last 5 Years
    169
  • Last 5 Years / Total
    0.617
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