Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Neuro-Oncology
Neurosurgery
Tumor Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,788
1,595
0.892
* Total i10 IndexRankings
Ranking Based On Selection :2
Neurosurgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
552
421
0.763
* Total i10 IndexRankings
Ranking Based On Selection :3
brain tumour biology
neurosurgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
482
301
0.624
* Total i10 IndexRankings
Ranking Based On Selection :4
Neurosurgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
478
419
0.877
* Total i10 IndexRankings
Ranking Based On Selection :5
neurosurgery
neurology
endocrinology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
460
238
0.517
* Total i10 IndexRankings
Ranking Based On Selection :6
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
458
390
0.852
* Total i10 IndexRankings
Ranking Based On Selection :7
Neurosurgery
Endovascular
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
414
364
0.879
* Total i10 IndexRankings
Ranking Based On Selection :8
Neurosurgery
Spine Surgery
Cervical Deformity
Spondylosis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
408
265
0.650
* Total i10 IndexRankings
Ranking Based On Selection :9
Stroke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
394
350
0.888
* Total i10 IndexRankings
Ranking Based On Selection :10
Neurosurgery
Stroke
Aneurysms
AVMs
Intra-Arterial Chemotherapy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
386
331
0.858
* Total i10 IndexRankings
Ranking Based On Selection :11
neuroscience
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
386
321
0.832
* Total i10 IndexRankings
Ranking Based On Selection :12
Neurosurgery
Cerebrovacular surgery
Endovascular
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
372
250
0.672
* Total i10 IndexRankings
Ranking Based On Selection :13
Neurosurgery
Neuroscience
Stem Cell Therapy
New Drug Development
Medical Devices
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
371
234
0.631
* Total i10 IndexRankings
Ranking Based On Selection :14
Biomechanics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
364
188
0.516
* Total i10 IndexRankings
Ranking Based On Selection :15
Neurosurgery
Neuroscience
Deep brain stimulation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
357
253
0.709
* Total i10 IndexRankings
Ranking Based On Selection :16
Neurosurgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
355
210
0.592
* Total i10 IndexRankings
Ranking Based On Selection :17
Pediatric Neurosurgery
Engineering in Surgery
Surgical Robotics
Surgical Simulation
MR guided interventions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
346
236
0.682
* Total i10 IndexRankings
Ranking Based On Selection :18
spine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
341
230
0.674
* Total i10 IndexRankings
Ranking Based On Selection :19
Brain tumours
Awake craniotomy
Gamma Knife radiosurgery
Spinal surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
338
178
0.527
* Total i10 IndexRankings
Ranking Based On Selection :20
brain iron metabolism
mechanisms of iron homeostasis in the brain
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
329
235
0.714
* Total i10 IndexRankings
Ranking Based On Selection :21
Neurooncology
Nerve Regeneration
Neurorobotics
Neuroprosthetics
Neurosurgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
326
227
0.696
* Total i10 IndexRankings
Ranking Based On Selection :22
traumatic brain injury
precision medicine
neurosurgery
neurocritical care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
322
285
0.885
* Total i10 IndexRankings
Ranking Based On Selection :23
SCI Cervical Myelopathy Spine Trauma Degenerative Neurosurgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
316
262
0.829
* Total i10 IndexRankings
Ranking Based On Selection :24
Neurosurgery
Immunotherapy
Neuro-oncology
Immunology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
316
233
0.737
* Total i10 IndexRankings
Ranking Based On Selection :25
Neurosurgery
stroke
vascular biology
cerebral hemorrhage
vascular malformations of the brain
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
312
194
0.622
Wei Zhang
Capital Medical University
Beijing, China
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,788
1,595
0.892
Neuro-Oncology
Neurosurgery
Tumor Biology
Clark C Chen
University of Minnesota Twin Cities
Minneapolis, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
552
421
0.763
James Rutka
Hospital for Sick Children
Toronto, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
482
301
0.624
brain tumour biology
neurosurgery
Jason Sheehan
University of Virginia
Charlottesville, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
478
419
0.877
Edward Oldfield
University of Virginia
Charlottesville, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
460
238
0.517
neurosurgery
neurology
endocrinology
Peter Hutchinson
University of Cambridge
Cambridge, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
458
390
0.852
Robert M Starke
University of Miami
Coral Gables, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
414
364
0.879
Edward C Benzel
Cleveland Clinic
Cleveland, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
408
265
0.650
Neurosurgery
Spine Surgery
Cervical Deformity
Spondylosis
Xunming Ji
Capital Medical University
Beijing, China
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
394
350
0.888
Pascal Jabbour
Thomas Jefferson University
Philadelphia, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
386
331
0.858
Neurosurgery
Stroke
Aneurysms
AVMs
Intra-Arterial Chemotherapy
Bernhard Meyer
Technische Universität München
München, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
386
321
0.832
Christopher S Ogilvy
Harvard University
Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
372
250
0.672
Neurosurgery
Cerebrovacular surgery
Endovascular
Shinn-Zong Lin, Cpi
Buddhist Tzu Chi General Hospital
Hualien, Taiwan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
371
234
0.631
Neurosurgery
Neuroscience
Stem Cell Therapy
New Drug Development
Medical Devices
Narayan Yoganandan
Medical College of Wisconsin
Milwaukee, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
364
188
0.516
Tipu Aziz
University of Oxford
Oxford, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
357
253
0.709
Neurosurgery
Neuroscience
Deep brain stimulation
W Couldwell
University of Utah
Salt Lake City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
355
210
0.592
James Drake
Hospital for Sick Children
Toronto, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
346
236
0.682
Pediatric Neurosurgery
Engineering in Surgery
Surgical Robotics
Surgical Simulation
MR guided interventions
Timothy Wang
Duke University
Durham, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
341
230
0.674
Ramesh Kumar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
338
178
0.527
Brain tumours
Awake craniotomy
Gamma Knife radiosurgery
Spinal surgery
James Connor
Pennsylvania State University
University Park, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
329
235
0.714
brain iron metabolism
mechanisms of iron homeostasis in the brain
Marcos Tatagiba
Universität Tubingen
Tübingen, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
326
227
0.696
Neurooncology
Nerve Regeneration
Neurorobotics
Neuroprosthetics
Neurosurgery
Geoffrey Manley
University of California San Francisco
San Francisco, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
322
285
0.885
traumatic brain injury
precision medicine
neurosurgery
neurocritical care
James Harrop
Thomas Jefferson University
Philadelphia, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
316
262
0.829
SCI Cervical Myelopathy Spine Trauma Degenerative Neurosurgery
John H Sampson
Duke University
Durham, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
316
233
0.737
Neurosurgery
Immunotherapy
Neuro-oncology
Immunology
Issam Awad
University of Chicago
Chicago, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
312
194
0.622
Neurosurgery
stroke
vascular biology
cerebral hemorrhage
vascular malformations of the brain