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

7,487
World Rank

6
Country Rank

1
University
Ranking Based On Selection:
1
Medical and Health Sciences / Gastroenterology
Gastroenterology | Genomics and Aspirin Chemopreventio
Gastroenterology | Genomics and Aspirin Chemopreventio
Citation Metrics
-
Total63,109
-
Last 6 Years30,327
-
Last 6 Years / Total0.481
* Total Citation Rankings
Rankings

329,230
World Rank

553
Country Rank

17
University
Ranking Based On Selection:
2
Citation Metrics
-
Total3,147
-
Last 6 Years1,635
-
Last 6 Years / Total0.520
* Total Citation Rankings
Rankings

610,239
World Rank

1,148
Country Rank

200
University
Ranking Based On Selection:
3
Citation Metrics
-
Total1,309
-
Last 6 Years287
-
Last 6 Years / Total0.219
* Total Citation Rankings
Rankings

790,549
World Rank

1,548
Country Rank

26
University
Ranking Based On Selection:
4
Citation Metrics
-
Total791
-
Last 6 Years124
-
Last 6 Years / Total0.157
* Total Citation Rankings
Rankings

959,902
World Rank

1,904
Country Rank

34
University
Ranking Based On Selection:
5
Citation Metrics
-
Total500
-
Last 6 Years224
-
Last 6 Years / Total0.448
* Total Citation Rankings
Rankings

1,277,144
World Rank

2,566
Country Rank

40
University
Ranking Based On Selection:
6
Citation Metrics
-
Total242
-
Last 6 Years83
-
Last 6 Years / Total0.343
* Total Citation Rankings
Rankings

1,401,170
World Rank

2,781
Country Rank

42
University
Ranking Based On Selection:
7
Citation Metrics
-
Total189
-
Last 6 Years145
-
Last 6 Years / Total0.767