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

545,685
World Rank

1,285
Country Rank

8
University
Ranking Based On Selection:
1
Engineering & Technology / Earth Sciences
Sedimentology | Biostratigraphy | Petroleum geology and Basin Analysi
Sedimentology | Biostratigraphy | Petroleum geology and Basin Analysi
Citation Metrics
-
Total1,571
-
Last 6 Years911
-
Last 6 Years / Total0.580
* Total Citation Rankings
Rankings

1,072,341
World Rank

8,937
Country Rank

93
University
Ranking Based On Selection:
2
Citation Metrics
-
Total387
-
Last 6 Years333
-
Last 6 Years / Total0.860
* Total Citation Rankings
Rankings

1,599,531
World Rank

19,785
Country Rank

249
University
Ranking Based On Selection:
3
Citation Metrics
-
Total129
-
Last 6 Years95
-
Last 6 Years / Total0.736
* Total Citation Rankings
Rankings

1,724,547
World Rank

22,607
Country Rank

287
University
Ranking Based On Selection:
4
Citation Metrics
-
Total105
-
Last 6 Years102
-
Last 6 Years / Total0.971
* Total Citation Rankings
Rankings

2,020,865
World Rank

29,703
Country Rank

410
University
Ranking Based On Selection:
5
Citation Metrics
-
Total51
-
Last 6 Years48
-
Last 6 Years / Total0.941
* Total Citation Rankings
Rankings

2,467,946
World Rank

44,624
Country Rank

611
University
Ranking Based On Selection:
6