Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 2.512 Scientists Citation Rankings - 2025

Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.

* Total Citation Rankings

Rankings

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1,575
World Rank
Norway
4
Country Rank
University of Oslo Logo
1
University
Ranking Based On Selection:
1
Medical and Health Sciences / Psychiatry
Psychiatric Genetics | Psychopharmacology | Brain Imaging | Bipolar disorde

Citation Metrics

  • Total
    149,132
  • Last 6 Years
    92,561
  • Last 6 Years / Total
    0.621
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* Total Citation Rankings

Rankings

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2,124
World Rank
Norway
7
Country Rank
University of Oslo Logo
2
University
Ranking Based On Selection:
2

Citation Metrics

  • Total
    127,867
  • Last 6 Years
    47,922
  • Last 6 Years / Total
    0.375
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* Total Citation Rankings

Rankings

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4,102
World Rank
Norway
13
Country Rank
University of Oslo Logo
3
University
Ranking Based On Selection:
3
Medical and Health Sciences / Orthopedics and Traumatology
Orthopedic surgery | Sports medicine | literatur

Citation Metrics

  • Total
    90,673
  • Last 6 Years
    41,606
  • Last 6 Years / Total
    0.459
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* Total Citation Rankings

Rankings

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4,610
World Rank
Norway
14
Country Rank
University of Oslo Logo
4
University
Ranking Based On Selection:
4
Natural Sciences / Physics
high energy nuclear physics | particle physics | computing science | machine learning | deep learnin

Citation Metrics

  • Total
    84,572
  • Last 6 Years
    40,586
  • Last 6 Years / Total
    0.480
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* Total Citation Rankings

Rankings

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5,024
World Rank
Norway
19
Country Rank
University of Oslo Logo
5
University
Ranking Based On Selection:
5
Natural Sciences / Physics
Cosmology | high-performance computing | statistic

Citation Metrics

  • Total
    80,405
  • Last 6 Years
    45,685
  • Last 6 Years / Total
    0.568
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* Total Citation Rankings

Rankings

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5,572
World Rank
Norway
21
Country Rank
University of Oslo Logo
6
University
Ranking Based On Selection:
6
Natural Sciences / Biological Science
Ecology | Evolutionary biology | Climate impac

Citation Metrics

  • Total
    75,822
  • Last 6 Years
    24,806
  • Last 6 Years / Total
    0.327
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* Total Citation Rankings

Rankings

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5,679
World Rank
Norway
22
Country Rank
University of Oslo Logo
7
University
Ranking Based On Selection:
7

Citation Metrics

  • Total
    74,895
  • Last 6 Years
    50,507
  • Last 6 Years / Total
    0.674
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* Total Citation Rankings

Rankings

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5,715
World Rank
Norway
23
Country Rank
University of Oslo Logo
8
University
Ranking Based On Selection:
8
Social Sciences / Psychology
Psychotic Disorders | Early Psychosis | Early Bipolar Disorder | Environmental Risk Factor

Citation Metrics

  • Total
    74,572
  • Last 6 Years
    39,626
  • Last 6 Years / Total
    0.531
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* Total Citation Rankings

Rankings

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5,918
World Rank
Norway
24
Country Rank
University of Oslo Logo
9
University
Ranking Based On Selection:
9
Natural Sciences / Molecular Biology & Genetics
Cell biology | molecular biolog

Citation Metrics

  • Total
    73,134
  • Last 6 Years
    23,827
  • Last 6 Years / Total
    0.326
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* Total Citation Rankings

Rankings

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6,333
World Rank
Norway
25
Country Rank
University of Oslo Logo
10
University
Ranking Based On Selection:
10
Natural Sciences / Molecular Biology & Genetics
Psychiatric molecular genetics | Stem cell

Citation Metrics

  • Total
    70,249
  • Last 6 Years
    42,679
  • Last 6 Years / Total
    0.608
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* Total Citation Rankings

Rankings

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7,292
World Rank
Norway
29
Country Rank
University of Oslo Logo
11
University
Ranking Based On Selection:
11
Natural Sciences / Physics
Experimental Particle Physics | Physics Education | Philosophy of Science | Data Analysi

Citation Metrics

  • Total
    64,163
  • Last 6 Years
    56,413
  • Last 6 Years / Total
    0.879
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* Total Citation Rankings

Rankings

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7,899
World Rank
Norway
31
Country Rank
University of Oslo Logo
12
University
Ranking Based On Selection:
12

Citation Metrics

  • Total
    61,114
  • Last 6 Years
    35,677
  • Last 6 Years / Total
    0.584
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* Total Citation Rankings

Rankings

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9,712
World Rank
Norway
36
Country Rank
University of Oslo Logo
13
University
Ranking Based On Selection:
13
Others
neurobiolog

Citation Metrics

  • Total
    53,758
  • Last 6 Years
    10,009
  • Last 6 Years / Total
    0.186
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* Total Citation Rankings

Rankings

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9,788
World Rank
Norway
37
Country Rank
University of Oslo Logo
14
University
Ranking Based On Selection:
14

Citation Metrics

  • Total
    53,517
  • Last 6 Years
    24,346
  • Last 6 Years / Total
    0.455
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* Total Citation Rankings

Rankings

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10,865
World Rank
Norway
38
Country Rank
University of Oslo Logo
15
University
Ranking Based On Selection:
15
Natural Sciences / Geography
Climate change | global environmental change | transformation | human security | vulnerabilit

Citation Metrics

  • Total
    49,869
  • Last 6 Years
    25,043
  • Last 6 Years / Total
    0.502
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* Total Citation Rankings

Rankings

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11,297
World Rank
Norway
41
Country Rank
University of Oslo Logo
16
University
Ranking Based On Selection:
16
Medical and Health Sciences / Endocrinology and Metabolism
bone physiology | osteoporosis | thyroid disease | calcium metabolis

Citation Metrics

  • Total
    48,710
  • Last 6 Years
    9,527
  • Last 6 Years / Total
    0.196
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* Total Citation Rankings

Rankings

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11,555
World Rank
Norway
44
Country Rank
University of Oslo Logo
17
University
Ranking Based On Selection:
17

Citation Metrics

  • Total
    48,015
  • Last 6 Years
    11,245
  • Last 6 Years / Total
    0.234
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* Total Citation Rankings

Rankings

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11,703
World Rank
Norway
45
Country Rank
University of Oslo Logo
18
University
Ranking Based On Selection:
18
Others
kreftforskning og scientometr

Citation Metrics

  • Total
    47,613
  • Last 6 Years
    9,469
  • Last 6 Years / Total
    0.199
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* Total Citation Rankings

Rankings

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11,738
World Rank
Norway
46
Country Rank
University of Oslo Logo
19
University
Ranking Based On Selection:
19

Citation Metrics

  • Total
    47,506
  • Last 6 Years
    26,935
  • Last 6 Years / Total
    0.567
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* Total Citation Rankings

Rankings

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11,808
World Rank
Norway
47
Country Rank
University of Oslo Logo
20
University
Ranking Based On Selection:
20
Medical and Health Sciences / Psychiatry
psychiatry | alcohol | depression | suicidal behavior | resilienc

Citation Metrics

  • Total
    47,349
  • Last 6 Years
    27,375
  • Last 6 Years / Total
    0.578
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* Total Citation Rankings

Rankings

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11,874
World Rank
Norway
49
Country Rank
University of Oslo Logo
21
University
Ranking Based On Selection:
21
Medical and Health Sciences / Intensive Care
Resuscitation and Intensive Car

Citation Metrics

  • Total
    47,235
  • Last 6 Years
    33,478
  • Last 6 Years / Total
    0.709
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* Total Citation Rankings

Rankings

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12,191
World Rank
Norway
52
Country Rank
University of Oslo Logo
22
University
Ranking Based On Selection:
22
Natural Sciences / Physics
Experimental nuclear physics | medical physic

Citation Metrics

  • Total
    46,400
  • Last 6 Years
    19,155
  • Last 6 Years / Total
    0.413
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* Total Citation Rankings

Rankings

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13,141
World Rank
Norway
55
Country Rank
University of Oslo Logo
23
University
Ranking Based On Selection:
23
Natural Sciences / Chemical Sciences
Chemistry | theoretical chemistry | quantum chemistry | molecular electronic structure | molecular propertie

Citation Metrics

  • Total
    44,456
  • Last 6 Years
    11,061
  • Last 6 Years / Total
    0.249
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* Total Citation Rankings

Rankings

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15,330
World Rank
Norway
61
Country Rank
University of Oslo Logo
24
University
Ranking Based On Selection:
24

Citation Metrics

  • Total
    40,406
  • Last 6 Years
    6,906
  • Last 6 Years / Total
    0.171
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* Total Citation Rankings

Rankings

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15,498
World Rank
Norway
62
Country Rank
University of Oslo Logo
25
University
Ranking Based On Selection:
25

Citation Metrics

  • Total
    40,139
  • Last 6 Years
    10,876
  • Last 6 Years / Total
    0.271
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