Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 207 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 Counts Rankings
Ranking Based On Selection: 1
Drug development and Therapeutic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,048
411
0.392
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Neonatal Medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,042
204
0.196
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Botany
Forestry
Forest Ecology
Regeneration and Conservation
Ethnobotan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,021
421
0.412
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Toxicology
autopsy
female reproductive system
breast
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
966
352
0.364
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Haematology
blood transfusion
Immunology
Phytomedicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
844
842
0.998
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Ethnopharmacology and Toxicolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
775
332
0.428
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Mechanical & Mechatronic Engineering
Engineering Design and Manufacturing
Design of Mechanism and Machine Elements
Renewabl
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
772
574
0.744
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Clinical Biochemistry and Public Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
772
566
0.733
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Microbial resistanc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
711
440
0.619
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Petroleum and natural gas processing
energy Conservation
Biomass processing
Renewable energy
modeling and simulation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
703
421
0.599
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Molecular biology
toxicology and ethnopharmacolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
703
474
0.674
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Environmental toxicant/male reproductive physiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
693
450
0.649
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Anatomic Pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
620
234
0.377
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Food Chemistry
Medicinal Chemistry
Natural Products Chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
618
300
0.485
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Synthetic Inorganic Chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
579
257
0.444
* Total Citation Counts Rankings
Ranking Based On Selection: 16
La
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
562
202
0.359
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Etomology
Virology
Immunobiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
533
158
0.296
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Safe motherhood
maternal mortality & morbidity (Hypertensive Crisis is Pregnancy
Severe Eclampsia and Pre Eclampsia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
446
43
0.096
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Bacteriolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
434
149
0.343
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Accountin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
426
352
0.826
* Total Citation Counts Rankings
Ranking Based On Selection: 21
general haematology
transfusion and transplant medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
409
198
0.484
* Total Citation Counts Rankings
Ranking Based On Selection: 22
methicillin-resistant S. aureus
Multidrug resistant bacteria
Medicinal plants
Molecular characterizatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
400
265
0.663
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Dosage Desig
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
401
53
0.132
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Ecotoxicology and Climate Chang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
387
219
0.566
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Reproductive Anatomy Histology/ Histochemistry
Neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
385
156
0.405
* Total Citation Counts Rankings
Rankings
683,829
2,200
1
Ranking Based On Selection: 1
Jonathan Chukwudebe Nwanze
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,048
411
0.392
Drug development and Therapeutic
* Total Citation Counts Rankings
Rankings
686,023
2,229
2
Ranking Based On Selection: 2
Samuel Ibhanesebhor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,042
204
0.196
* Total Citation Counts Rankings
Rankings
693,296
2,313
3
Ranking Based On Selection: 3
Joseph E. Ehiagbonare
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,021
421
0.412
Botany
Forestry
Forest Ecology
Regeneration and Conservation
Ethnobotan
* Total Citation Counts Rankings
Rankings
713,155
2,590
4
Ranking Based On Selection: 4
Adokiye Benebo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
966
352
0.364
* Total Citation Counts Rankings
Rankings
761,082
3,249
5
Ranking Based On Selection: 5
Arinze Favour Anyiam
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
844
842
0.998
Haematology
blood transfusion
Immunology
Phytomedicin
* Total Citation Counts Rankings
Rankings
791,025
3,700
6
Ranking Based On Selection: 6
Sunday Josiah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
775
332
0.428
Ethnopharmacology and Toxicolog
* Total Citation Counts Rankings
Rankings
792,137
3,720
7
Ranking Based On Selection: 7
Ejiroghene Kelly Orhorhoro
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
772
574
0.744
Mechanical & Mechatronic Engineering
Engineering Design and Manufacturing
Design of Mechanism and Machine Elements
Renewabl
* Total Citation Counts Rankings
Rankings
792,143
3,721
8
Ranking Based On Selection: 8
Kingsley Omage,
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
772
566
0.733
Clinical Biochemistry and Public Healt
* Total Citation Counts Rankings
Rankings
820,750
4,202
9
Ranking Based On Selection: 9
Mitsan Olley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
711
440
0.619
* Total Citation Counts Rankings
Rankings
824,683
4,278
11
Ranking Based On Selection: 10
Samuel E. Ogbeide
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
703
421
0.599
Petroleum and natural gas processing
energy Conservation
Biomass processing
Renewable energy
modeling and simulation
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
* Total Citation Counts Rankings
Rankings
824,623
4,277
10
Ranking Based On Selection: 11
Ighodaro Igbe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
703
474
0.674
Molecular biology
toxicology and ethnopharmacolog
* Total Citation Counts Rankings
Rankings
829,489
4,355
12
Ranking Based On Selection: 12
Oyeyemi Adekunle Wahab
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
693
450
0.649
* Total Citation Counts Rankings
Rankings
868,001
5,060
13
Ranking Based On Selection: 13
AS Benebo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
620
234
0.377
* Total Citation Counts Rankings
Rankings
868,993
5,079
14
Ranking Based On Selection: 14
Adeniyi, Sunday Adegoke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
618
300
0.485
Food Chemistry
Medicinal Chemistry
Natural Products Chemistr
* Total Citation Counts Rankings
Rankings
892,006
5,494
15
Ranking Based On Selection: 15
Chike Orjiekwe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
579
257
0.444
* Total Citation Counts Rankings
Rankings
902,989
5,682
16
Ranking Based On Selection: 16
Rasheed Ijaodola
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
562
202
0.359
* Total Citation Counts Rankings
Rankings
923,792
6,057
17
Ranking Based On Selection: 17
Tonye Grace Okorie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
533
158
0.296
* Total Citation Counts Rankings
Rankings
998,292
7,457
18
Ranking Based On Selection: 18
Jacob Unuigbe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
446
43
0.096
Safe motherhood
maternal mortality & morbidity (Hypertensive Crisis is Pregnancy
Severe Eclampsia and Pre Eclampsia
* Total Citation Counts Rankings
Rankings
1,009,378
7,654
19
Ranking Based On Selection: 19
Jonathan Osariemen Isibor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
434
149
0.343
* Total Citation Counts Rankings
Rankings
1,016,404
7,784
20
Ranking Based On Selection: 20
Olufemi Oa Gina
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
426
352
0.826
* Total Citation Counts Rankings
Rankings
1,033,792
8,159
21
Ranking Based On Selection: 21
Taiwo Balogun
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
409
198
0.484
general haematology
transfusion and transplant medicin
* Total Citation Counts Rankings
Rankings
1,042,759
8,311
23
Ranking Based On Selection: 22
Maureen U. Okwu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
400
265
0.663
methicillin-resistant S. aureus
Multidrug resistant bacteria
Medicinal plants
Molecular characterizatio
* Total Citation Counts Rankings
Rankings
1,042,177
8,297
22
Ranking Based On Selection: 23
Sam Esezobo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
401
53
0.132
* Total Citation Counts Rankings
Rankings
1,056,452
8,573
24
Ranking Based On Selection: 24
Georgina Erifeta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
387
219
0.566
Ecotoxicology and Climate Chang
* Total Citation Counts Rankings
Rankings
1,058,705
8,623
25
Ranking Based On Selection: 25
Okwuonu Uche Christina
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
385
156
0.405
Reproductive Anatomy Histology/ Histochemistry
Neuroscienc