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

196,704
World Rank

22
Country Rank

17
University
Ranking Based On Selection:
1
Citation Metrics
-
Total5,566
-
Last 6 Years2,997
-
Last 6 Years / Total0.538
* Total Citation Rankings
Rankings

305,524
World Rank

45
Country Rank

1
University
Ranking Based On Selection:
2
Citation Metrics
-
Total3,438
-
Last 6 Years1,846
-
Last 6 Years / Total0.537
* Total Citation Rankings
Rankings

753,332
World Rank

245
Country Rank

122
University
Ranking Based On Selection:
3
Medical and Health Sciences / General Surgery
GI surgery | Bariatric surgery | Colorectal surgery | Regenerative medicine | General surger
GI surgery | Bariatric surgery | Colorectal surgery | Regenerative medicine | General surger
Citation Metrics
-
Total877
-
Last 6 Years865
-
Last 6 Years / Total0.986
* Total Citation Rankings
Rankings

766,327
World Rank

249
Country Rank

2
University
Ranking Based On Selection:
4
Citation Metrics
-
Total846
-
Last 6 Years361
-
Last 6 Years / Total0.427
* Total Citation Rankings
Rankings

1,153,000
World Rank

545
Country Rank

219
University
Ranking Based On Selection:
5
Medical and Health Sciences / General Surgery
Medicine | Surgery | Education | Mental Health | Non-Communicable Disease
Medicine | Surgery | Education | Mental Health | Non-Communicable Disease
Citation Metrics
-
Total315
-
Last 6 Years313
-
Last 6 Years / Total0.994
* Total Citation Rankings
Rankings

1,693,841
World Rank

1,139
Country Rank

3
University
Ranking Based On Selection:
6
Medical and Health Sciences / General Surgery
Surgery | Urology | Anatomy | Fistula | Musculoskeletal disorder
Surgery | Urology | Anatomy | Fistula | Musculoskeletal disorder
Citation Metrics
-
Total107
-
Last 6 Years59
-
Last 6 Years / Total0.551
* Total Citation Rankings
Rankings

1,750,931
World Rank

1,192
Country Rank

364
University
Ranking Based On Selection:
7
Citation Metrics
-
Total95
-
Last 6 Years75
-
Last 6 Years / Total0.789
* Total Citation Rankings
Rankings

1,807,378
World Rank

1,273
Country Rank

220
University
Ranking Based On Selection:
8
Citation Metrics
-
Total84
-
Last 6 Years82
-
Last 6 Years / Total0.976
* Total Citation Rankings
Rankings

1,887,065
World Rank

1,367
Country Rank

246
University
Ranking Based On Selection:
9
Citation Metrics
-
Total71
-
Last 6 Years21
-
Last 6 Years / Total0.296
* Total Citation Rankings
Rankings

1,888,456
World Rank

1,368
Country Rank

247
University
Ranking Based On Selection:
10
Citation Metrics
-
Total70
-
Last 6 Years70
-
Last 6 Years / Total1.000
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* Total Citation Rankings
Rankings

1,986,283
World Rank

1,501
Country Rank

286
University
Ranking Based On Selection:
11
Citation Metrics
-
Total56
-
Last 6 Years40
-
Last 6 Years / Total0.714
* Total Citation Rankings
Rankings

2,001,149
World Rank

1,522
Country Rank

292
University
Ranking Based On Selection:
12
Citation Metrics
-
Total54
-
Last 6 Years36
-
Last 6 Years / Total0.667
* Total Citation Rankings
Rankings

2,218,825
World Rank

1,901
Country Rank

390
University
Ranking Based On Selection:
13
Citation Metrics
-
Total28
-
Last 6 Years24
-
Last 6 Years / Total0.857
* Total Citation Rankings
Rankings

2,392,027
World Rank

2,185
Country Rank

468
University
Ranking Based On Selection:
14
Citation Metrics
-
Total13
-
Last 6 Years13
-
Last 6 Years / Total1.000
* Total Citation Rankings
Rankings

2,420,161
World Rank

2,248
Country Rank

486
University
Ranking Based On Selection:
15
Citation Metrics
-
Total11
-
Last 6 Years11
-
Last 6 Years / Total1.000
* Total Citation Rankings
Rankings

2,457,411
World Rank

2,323
Country Rank

508
University
Ranking Based On Selection:
16
* Total Citation Rankings
Rankings

2,477,664
World Rank

2,367
Country Rank

525
University
Ranking Based On Selection:
17
* Total Citation Rankings
Rankings

2,552,300
World Rank

2,593
Country Rank

600
University
Ranking Based On Selection:
18
* Total Citation Rankings
Rankings

2,597,770
World Rank

2,789
Country Rank

686
University
Ranking Based On Selection:
19
* Total Citation Rankings
Rankings

2,615,065
World Rank

2,913
Country Rank

742
University
Ranking Based On Selection:
20