Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
983,296
Country Rank
7,853
Institution Rank : 26
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Vitalis Torwel](/pictures/74/4445193.jpg)
Critical Media Theory
Politics
and Public Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
380
149
0.392
* Total Citation Counts Rankings
World Rank
987,692
Country Rank
7,969
Institution Rank : 27
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Emmanuel Msugh Mbaawuaga](https://cdn.adscientificindex.com/pictures/22/5797584.jpg)
Infectious diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
374
183
0.489
* Total Citation Counts Rankings
World Rank
1,002,629
Country Rank
8,400
Institution Rank : 28
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Stephen Yiase](/pictures/fa/4448112.jpg)
Inorganic/organometallic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
354
238
0.672
* Total Citation Counts Rankings
World Rank
1,021,735
Country Rank
8,951
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Ode Omenka Samuel](/pictures/69/4926249.jpg)
Radiation and Medical Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
330
293
0.888
* Total Citation Counts Rankings
World Rank
1,034,608
Country Rank
9,310
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Akunna Gabriel](/user/assets/images/profile/no-profile-photo.png)
Reproductive and Neurobiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
315
241
0.765
* Total Citation Counts Rankings
World Rank
1,039,973
Country Rank
9,482
Institution Rank : 31
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Ogo Ogo|Ogo Agbor Ogo](/pictures/fa/4495694.jpg)
Nutritional Biochemistry
Molecular Biology
Toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
309
207
0.670
* Total Citation Counts Rankings
World Rank
1,051,472
Country Rank
9,823
Institution Rank : 32
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Knowledge For Life Azende](/pictures/e6/4494947.jpg)
corporate reporting. cost accounting
finance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
297
150
0.505
* Total Citation Counts Rankings
World Rank
1,059,268
Country Rank
10,047
Institution Rank : 33
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Sandra Mwuese Igyuve](/user/assets/images/profile/no-profile-photo.png)
librarianship
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
289
213
0.737
* Total Citation Counts Rankings
World Rank
1,059,378
Country Rank
10,053
Institution Rank : 34
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Ogbene Igbum Nee Ugalahi](/pictures/73/4495685.jpg)
polymers
biofuels
oils
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
289
190
0.657
* Total Citation Counts Rankings
World Rank
1,063,332
Country Rank
10,189
Institution Rank : 35
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Terwase Shabu](/pictures/d3/4493818.jpg)
Economic Geography
Regional Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
285
190
0.667
* Total Citation Counts Rankings
World Rank
1,069,240
Country Rank
10,327
Institution Rank : 37
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Kator Liamngee](/pictures/4e/4494896.jpg)
Postharvest physiology and management of crops
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
279
247
0.885
* Total Citation Counts Rankings
World Rank
1,063,763
Country Rank
10,195
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Ivungu John Ayoor](/pictures/8f/4596178.jpg)
Accounting and Finance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
284
284
1.000
* Total Citation Counts Rankings
World Rank
1,080,373
Country Rank
10,633
Institution Rank : 38
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Rodney Ciboh](/pictures/b7/4496120.jpg)
Press and Politics
Media and Democracy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
269
154
0.572
* Total Citation Counts Rankings
World Rank
1,089,534
Country Rank
10,923
Institution Rank : 39
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Ao Ojabo](/pictures/01/4495904.jpg)
Infertility
MAS
IVF
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
261
142
0.544
* Total Citation Counts Rankings
World Rank
1,102,365
Country Rank
11,284
Institution Rank : 40
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Paul Aondona Angahar](/pictures/a5/4495854.jpg)
financial management
financial reporting
Accounting
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
250
152
0.608
* Total Citation Counts Rankings
World Rank
1,121,061
Country Rank
11,845
Institution Rank : 42
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Grace Omeche Agaba](https://cdn.adscientificindex.com/pictures/a8/5799746.jpg)
Mathematical modelling
biomathematics
epidemiology
numerical computation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
235
198
0.843
* Total Citation Counts Rankings
World Rank
1,106,991
Country Rank
11,426
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Stephen Akuma](/pictures/fd/4602917.jpg)
Information Retrieval
Personalisation
Machine Learning and HCI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
246
210
0.854
* Total Citation Counts Rankings
World Rank
1,129,303
Country Rank
12,067
Institution Rank : 44
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Dickson Owoicho Ochalefu](/user/assets/images/profile/no-profile-photo.png)
Clinical Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
229
166
0.725
* Total Citation Counts Rankings
World Rank
1,125,360
Country Rank
11,958
Institution Rank : 43
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Happiness Igbo](/pictures/06/4494322.jpg)
Counselling Psychology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
157
0.677
* Total Citation Counts Rankings
World Rank
1,133,310
Country Rank
12,190
Institution Rank : 45
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Regina Marita O. Samba](/pictures/96/4496075.jpg)
Science Methods
Educational Biology
Gender issues
Novel Protein Sources
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
226
173
0.765
* Total Citation Counts Rankings
World Rank
1,137,606
Country Rank
12,324
Institution Rank : 46
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Barnabas Achakpa Ikyo](/pictures/5a/4493263.jpg)
Photonics
Solid State Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
223
144
0.646
* Total Citation Counts Rankings
World Rank
1,137,799
Country Rank
12,335
Institution Rank : 48
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Aondoaver Ucho](/pictures/97/4493074.jpg)
Industrial and Organizational Psychology
Research Methods and Statistical Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
223
109
0.489
* Total Citation Counts Rankings
World Rank
1,137,633
Country Rank
12,327
Institution Rank : 47
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Joseph Aondoaver Gbertyo](/pictures/0b/4493631.jpg)
Inorganic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
223
140
0.628
* Total Citation Counts Rankings
World Rank
1,146,090
Country Rank
12,557
Institution Rank : 50
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Emmanuel Hemen Agba](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
217
123
0.567
* Total Citation Counts Rankings
World Rank
1,144,269
Country Rank
12,516
Institution Rank : 49
![](https://cdn.adscientificindex.com/logos/903.png)
![Nigeria](/flags/ng.png)
![Raymond Lubem Tyohemba](/pictures/2f/4493797.jpg)
Analytical/Environmental Chemistry/Food analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
218
176
0.807
* Total Citation Counts Rankings
World Ranking
983,296
Country Ranking
7,853
Institution Ranking
26
Vitalis Torwel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
380
149
0.392
![](https://cdn.adscientificindex.com/logos/903.png)
Critical Media Theory
Politics
and Public Policy
* Total Citation Counts Rankings
World Ranking
987,692
Country Ranking
7,969
Institution Ranking
27
Emmanuel Msugh Mbaawuaga
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
374
183
0.489
* Total Citation Counts Rankings
World Ranking
1,002,629
Country Ranking
8,400
Institution Ranking
28
Stephen Yiase
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
354
238
0.672
![](https://cdn.adscientificindex.com/logos/903.png)
Inorganic/organometallic Chemistry
* Total Citation Counts Rankings
World Ranking
1,021,735
Country Ranking
8,951
Institution Ranking
29
Ode Omenka Samuel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
330
293
0.888
![](https://cdn.adscientificindex.com/logos/903.png)
Radiation and Medical Physics
* Total Citation Counts Rankings
World Ranking
1,034,608
Country Ranking
9,310
Institution Ranking
30
Akunna Gabriel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
315
241
0.765
* Total Citation Counts Rankings
World Ranking
1,039,973
Country Ranking
9,482
Institution Ranking
31
Ogo Ogo|Ogo Agbor Ogo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
309
207
0.670
![](https://cdn.adscientificindex.com/logos/903.png)
Nutritional Biochemistry
Molecular Biology
Toxicology
* Total Citation Counts Rankings
World Ranking
1,051,472
Country Ranking
9,823
Institution Ranking
32
Knowledge For Life Azende
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
297
150
0.505
![](https://cdn.adscientificindex.com/logos/903.png)
corporate reporting. cost accounting
finance
* Total Citation Counts Rankings
World Ranking
1,059,268
Country Ranking
10,047
Institution Ranking
33
Sandra Mwuese Igyuve
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
289
213
0.737
* Total Citation Counts Rankings
World Ranking
1,059,378
Country Ranking
10,053
Institution Ranking
34
Ogbene Igbum Nee Ugalahi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
289
190
0.657
* Total Citation Counts Rankings
World Ranking
1,063,332
Country Ranking
10,189
Institution Ranking
35
Terwase Shabu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
285
190
0.667
![Adscientificindex](/assets/images/banner_logo.png)
Click for INSTITUTIONAL BULK REGISTRATION and PREMIUM MEMBERSHIP advantages
![Adscientificindex](/assets/images/banner_click.png)
* Total Citation Counts Rankings
World Ranking
1,069,240
Country Ranking
10,327
Institution Ranking
37
Kator Liamngee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
279
247
0.885
* Total Citation Counts Rankings
World Ranking
1,063,763
Country Ranking
10,195
Institution Ranking
36
Ivungu John Ayoor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
284
284
1.000
![](https://cdn.adscientificindex.com/logos/903.png)
Accounting and Finance
* Total Citation Counts Rankings
World Ranking
1,080,373
Country Ranking
10,633
Institution Ranking
38
Rodney Ciboh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
269
154
0.572
![](https://cdn.adscientificindex.com/logos/903.png)
Press and Politics
Media and Democracy
* Total Citation Counts Rankings
World Ranking
1,089,534
Country Ranking
10,923
Institution Ranking
39
Ao Ojabo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
261
142
0.544
* Total Citation Counts Rankings
World Ranking
1,102,365
Country Ranking
11,284
Institution Ranking
40
Paul Aondona Angahar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
250
152
0.608
![](https://cdn.adscientificindex.com/logos/903.png)
financial management
financial reporting
Accounting
* Total Citation Counts Rankings
World Ranking
1,121,061
Country Ranking
11,845
Institution Ranking
42
Grace Omeche Agaba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
235
198
0.843
![](https://cdn.adscientificindex.com/logos/903.png)
Mathematical modelling
biomathematics
epidemiology
numerical computation
* Total Citation Counts Rankings
World Ranking
1,106,991
Country Ranking
11,426
Institution Ranking
41
Stephen Akuma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
246
210
0.854
![](https://cdn.adscientificindex.com/logos/903.png)
Information Retrieval
Personalisation
Machine Learning and HCI
* Total Citation Counts Rankings
World Ranking
1,129,303
Country Ranking
12,067
Institution Ranking
44
Dickson Owoicho Ochalefu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
229
166
0.725
* Total Citation Counts Rankings
World Ranking
1,125,360
Country Ranking
11,958
Institution Ranking
43
Happiness Igbo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
157
0.677
* Total Citation Counts Rankings
World Ranking
1,133,310
Country Ranking
12,190
Institution Ranking
45
Regina Marita O. Samba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
226
173
0.765
![](https://cdn.adscientificindex.com/logos/903.png)
Science Methods
Educational Biology
Gender issues
Novel Protein Sources
* Total Citation Counts Rankings
World Ranking
1,137,606
Country Ranking
12,324
Institution Ranking
46
Barnabas Achakpa Ikyo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
223
144
0.646
* Total Citation Counts Rankings
World Ranking
1,137,799
Country Ranking
12,335
Institution Ranking
48
Aondoaver Ucho
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
223
109
0.489
![](https://cdn.adscientificindex.com/logos/903.png)
Industrial and Organizational Psychology
Research Methods and Statistical Analysis
* Total Citation Counts Rankings
World Ranking
1,137,633
Country Ranking
12,327
Institution Ranking
47
Joseph Aondoaver Gbertyo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
223
140
0.628
* Total Citation Counts Rankings
World Ranking
1,146,090
Country Ranking
12,557
Institution Ranking
50
Emmanuel Hemen Agba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
217
123
0.567
* Total Citation Counts Rankings
World Ranking
1,144,269
Country Ranking
12,516
Institution Ranking
49
Raymond Lubem Tyohemba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
218
176
0.807
![](https://cdn.adscientificindex.com/logos/903.png)
Analytical/Environmental Chemistry/Food analysis