Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
277,222
Country Rank
510
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Paul C. Chikezie](https://cdn.adscientificindex.com/pictures/56/4314786.jpg)
Medical Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
28
0.560
* Total i10 Index Rankings
World Rank
340,291
Country Rank
733
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Chukwuma B. Duru](/pictures/32/4314788.jpg)
Medicine & Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
33
0.805
* Total i10 Index Rankings
World Rank
392,952
Country Rank
972
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Preet İnder Kaur Onyeka](/user/assets/images/profile/no-profile-photo.png)
Gender Studies
Malaria and Tropical diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
8
0.222
* Total i10 Index Rankings
World Rank
483,188
Country Rank
1,510
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Chidi Edbert Duru](/pictures/77/4314794.jpg)
Physical and Computational Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
26
0.929
* Total i10 Index Rankings
World Rank
450,344
Country Rank
1,288
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Ndukwe James Okeudo](/pictures/30/4314787.jpg)
Animal Products and Processing
Animal Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
15
0.484
* Total i10 Index Rankings
World Rank
508,377
Country Rank
1,719
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Johnkennedy Nnodim](https://cdn.adscientificindex.com/pictures/48/5794951.jpg)
Antioxidants
Membrane potential
Enzymes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
12
0.444
* Total i10 Index Rankings
World Rank
509,584
Country Rank
1,725
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Onyeanuforo C. C](/user/assets/images/profile/no-profile-photo.png)
soil science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
7
0.259
* Total i10 Index Rankings
World Rank
523,364
Country Rank
1,843
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Edward Ukamaka](https://cdn.adscientificindex.com/pictures/37/5795157.jpg)
Chemical pathology / Haematology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
14
0.538
* Total i10 Index Rankings
World Rank
515,168
Country Rank
1,755
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Chiekulie Kevin Diwe](https://cdn.adscientificindex.com/pictures/1e/5794489.jpg)
Community Medicine (Occupational Health)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
23
0.885
* Total i10 Index Rankings
World Rank
539,419
Country Rank
1,970
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Philomena Ugo](https://cdn.adscientificindex.com/pictures/cd/5794571.jpg)
MEASUREMENT AND EVALUATION
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
14
0.560
* Total i10 Index Rankings
World Rank
541,046
Country Rank
1,984
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Chidiezie Chineke](/pictures/d0/105584.jpg)
Atmospheric Physics
Climate Change
Renewable Energy
Air Quality
Remote Sensing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
11
0.440
* Total i10 Index Rankings
World Rank
558,608
Country Rank
2,148
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Chinyere Ukaga](https://cdn.adscientificindex.com/pictures/f8/5794803.jpg)
Control and elimination of Malaria
PcNTDs
Co-infections of parasitic and viral diseases
Phytoproducts in Parasitic diseases control
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
11
0.458
* Total i10 Index Rankings
World Rank
564,653
Country Rank
2,190
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![BO Isiuku](/user/assets/images/profile/no-profile-photo.png)
adsorption
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
* Total i10 Index Rankings
World Rank
625,127
Country Rank
2,830
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Chinedu Anthony Iwu](https://cdn.adscientificindex.com/pictures/7e/5795064.jpg)
Public Health
Communicable and Non-Communicable disease epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
* Total i10 Index Rankings
World Rank
652,156
Country Rank
3,131
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Ngozi Sydney-Agbor](https://cdn.adscientificindex.com/pictures/59/5794770.jpg)
work behaviour and social issues
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
* Total i10 Index Rankings
World Rank
694,879
Country Rank
3,680
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Gilbert Onubuogu](https://cdn.adscientificindex.com/pictures/a9/5794851.jpg)
production Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
16
0.941
* Total i10 Index Rankings
World Rank
707,035
Country Rank
3,859
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Michael Nwachukwu](/pictures/7b/4314790.jpg)
Environmental and Industrial Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
* Total i10 Index Rankings
World Rank
728,886
Country Rank
4,145
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Chinyere Aguocha](/pictures/57/4314796.jpg)
Mental Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
* Total i10 Index Rankings
World Rank
739,281
Country Rank
4,378
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Gabriel Oze](/user/assets/images/profile/no-profile-photo.png)
Neurobiochemistry
Xenobiochem & Phytopharmacology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
6
0.375
* Total i10 Index Rankings
World Rank
740,310
Country Rank
4,391
Institution Rank : 20
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Promise Nwankpa](/user/assets/images/profile/no-profile-photo.png)
Biochemical/Environmental Toxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
5
0.313
* Total i10 Index Rankings
World Rank
795,818
Country Rank
5,268
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Okey K. Nwofor](https://cdn.adscientificindex.com/pictures/29/5796884.jpg)
Professsor of Atmospheric Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
7
0.500
* Total i10 Index Rankings
World Rank
804,899
Country Rank
5,368
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Emeka Nwefoh](https://cdn.adscientificindex.com/pictures/80/5797076.jpg)
Public Mental Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total i10 Index Rankings
World Rank
823,940
Country Rank
5,696
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Jc Uwaezuoke](https://cdn.adscientificindex.com/pictures/fd/5795971.jpg)
medical Microbiology
parasitology
public health Microbiology.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
* Total i10 Index Rankings
World Rank
830,729
Country Rank
5,837
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Joeken Nzerem](https://cdn.adscientificindex.com/pictures/7b/5797040.jpg)
Public Speaking
Sylistics and Applied and Psycho Linguistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
* Total i10 Index Rankings
World Rank
830,734
Country Rank
5,838
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Isidore Diala](/user/assets/images/profile/no-profile-photo.png)
African poetry
African fiction
African drama
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
* Total i10 Index Rankings
World Ranking
277,222
Country Ranking
510
Institution Ranking
1
Paul C. Chikezie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
28
0.560
![](https://cdn.adscientificindex.com/logos/3648.png)
Medical Biochemistry
* Total i10 Index Rankings
World Ranking
340,291
Country Ranking
733
Institution Ranking
2
Chukwuma B. Duru
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
33
0.805
![](https://cdn.adscientificindex.com/logos/3648.png)
Medicine & Public Health
* Total i10 Index Rankings
World Ranking
392,952
Country Ranking
972
Institution Ranking
3
Preet İnder Kaur Onyeka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
8
0.222
* Total i10 Index Rankings
World Ranking
483,188
Country Ranking
1,510
Institution Ranking
5
Chidi Edbert Duru
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
26
0.929
![](https://cdn.adscientificindex.com/logos/3648.png)
Physical and Computational Chemistry
* Total i10 Index Rankings
World Ranking
450,344
Country Ranking
1,288
Institution Ranking
4
Ndukwe James Okeudo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
15
0.484
![](https://cdn.adscientificindex.com/logos/3648.png)
Animal Products and Processing
Animal Nutrition
* Total i10 Index Rankings
World Ranking
508,377
Country Ranking
1,719
Institution Ranking
6
Johnkennedy Nnodim
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
12
0.444
* Total i10 Index Rankings
World Ranking
509,584
Country Ranking
1,725
Institution Ranking
7
Onyeanuforo C. C
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
7
0.259
* Total i10 Index Rankings
World Ranking
523,364
Country Ranking
1,843
Institution Ranking
9
Edward Ukamaka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
14
0.538
* Total i10 Index Rankings
World Ranking
515,168
Country Ranking
1,755
Institution Ranking
8
Chiekulie Kevin Diwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
23
0.885
* Total i10 Index Rankings
World Ranking
539,419
Country Ranking
1,970
Institution Ranking
10
Philomena Ugo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
14
0.560
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* Total i10 Index Rankings
World Ranking
541,046
Country Ranking
1,984
Institution Ranking
11
Chidiezie Chineke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
11
0.440
![](https://cdn.adscientificindex.com/logos/3648.png)
Atmospheric Physics
Climate Change
Renewable Energy
Air Quality
Remote Sensing
* Total i10 Index Rankings
World Ranking
558,608
Country Ranking
2,148
Institution Ranking
12
Chinyere Ukaga
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
11
0.458
![](https://cdn.adscientificindex.com/logos/3648.png)
Control and elimination of Malaria
PcNTDs
Co-infections of parasitic and viral diseases
Phytoproducts in Parasitic diseases control
* Total i10 Index Rankings
World Ranking
564,653
Country Ranking
2,190
Institution Ranking
13
BO Isiuku
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
* Total i10 Index Rankings
World Ranking
625,127
Country Ranking
2,830
Institution Ranking
14
Chinedu Anthony Iwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
![](https://cdn.adscientificindex.com/logos/3648.png)
Public Health
Communicable and Non-Communicable disease epidemiology
* Total i10 Index Rankings
World Ranking
652,156
Country Ranking
3,131
Institution Ranking
15
Ngozi Sydney-Agbor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
* Total i10 Index Rankings
World Ranking
694,879
Country Ranking
3,680
Institution Ranking
16
Gilbert Onubuogu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
16
0.941
* Total i10 Index Rankings
World Ranking
707,035
Country Ranking
3,859
Institution Ranking
17
Michael Nwachukwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
![](https://cdn.adscientificindex.com/logos/3648.png)
Environmental and Industrial Microbiology
* Total i10 Index Rankings
World Ranking
728,886
Country Ranking
4,145
Institution Ranking
18
Chinyere Aguocha
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
* Total i10 Index Rankings
World Ranking
739,281
Country Ranking
4,378
Institution Ranking
19
Gabriel Oze
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
6
0.375
* Total i10 Index Rankings
World Ranking
740,310
Country Ranking
4,391
Institution Ranking
20
Promise Nwankpa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
5
0.313
* Total i10 Index Rankings
World Ranking
795,818
Country Ranking
5,268
Institution Ranking
21
Okey K. Nwofor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
7
0.500
* Total i10 Index Rankings
World Ranking
804,899
Country Ranking
5,368
Institution Ranking
22
Emeka Nwefoh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total i10 Index Rankings
World Ranking
823,940
Country Ranking
5,696
Institution Ranking
23
Jc Uwaezuoke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
* Total i10 Index Rankings
World Ranking
830,729
Country Ranking
5,837
Institution Ranking
24
Joeken Nzerem
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
* Total i10 Index Rankings
World Ranking
830,734
Country Ranking
5,838
Institution Ranking
25
Isidore Diala
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231