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
919,596
Country Rank
7,600
Institution Rank : 28
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Ezeanyeji Clement. I](/pictures/f9/4531379.jpg)
Public Finance
Economics of Production
Personnel management and Industrial Relations
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
* Total i10 Index Rankings
World Rank
891,869
Country Rank
7,086
Institution Rank : 26
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Angela Nwammuo](/pictures/62/4531105.jpg)
Media Studies
Gender Studies
Journalism
Public Relations
Advertising.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
7
0.636
* Total i10 Index Rankings
World Rank
929,013
Country Rank
7,859
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Chinyere Constance Ezemba](/pictures/88/4531107.jpg)
Fermentation technologies
Microbial biotechnology
Bioinformatics
Bioenergy
Food proteins
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
* Total i10 Index Rankings
World Rank
930,311
Country Rank
7,886
Institution Rank : 31
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Gordian Obi](/pictures/78/4515937.jpg)
Sedimentology
stratigraphy
petroleum geochemistry
paleobiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
6
0.600
* Total i10 Index Rankings
World Rank
927,123
Country Rank
7,782
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Emeka Anthony Obi](/pictures/1f/4516570.jpg)
Public Policy Analysis
Political economy
Development studies
Government
Comparative studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
* Total i10 Index Rankings
World Rank
932,408
Country Rank
7,961
Institution Rank : 32
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Amaechi Comfort Ifeakor](/pictures/0c/4531110.jpg)
Research Methodology
Educational Statistics
Measurement and Evaluation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
6
0.600
* Total i10 Index Rankings
World Rank
935,272
Country Rank
8,055
Institution Rank : 33
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Ojiyi Emmanuel Chukwuemeka](/user/assets/images/profile/no-profile-photo.png)
Urology
Gynaecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
5
0.500
* Total i10 Index Rankings
World Rank
956,862
Country Rank
8,387
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Chukwurah, Daniel Chi](/pictures/e0/105825.jpg)
Public Sector Admin//Mgt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
* Total i10 Index Rankings
World Rank
981,727
Country Rank
9,131
Institution Rank : 40
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Chukwuemeke Azikiwe](/pictures/a2/4531650.jpg)
infectious diseases
malaria
anticonvulsants
medicinal plants
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
2
0.222
* Total i10 Index Rankings
World Rank
939,708
Country Rank
8,150
Institution Rank : 34
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Ngozi Agatha Okereke](/pictures/0c/4530813.jpg)
solid state physics
material science
crystal growth
nanotechnology and photovoltaics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
2
0.200
* Total i10 Index Rankings
World Rank
983,268
Country Rank
9,150
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Okeke Justina Ebele](/pictures/45/4637341.jpg)
applied computational mathematics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
1
0.111
* Total i10 Index Rankings
World Rank
948,837
Country Rank
8,258
Institution Rank : 35
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Anne C. Maduka](/pictures/57/4531106.jpg)
Development Economics
Financial Institutions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total i10 Index Rankings
World Rank
992,568
Country Rank
9,294
Institution Rank : 42
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Olisah Michael Chinedu](https://cdn.adscientificindex.com/pictures/d4/5796008.jpg)
Clinical Chemistry
Toxicology and Nutritional Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 Index Rankings
World Rank
998,818
Country Rank
9,396
Institution Rank : 43
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Kingsley Nwozor](https://cdn.adscientificindex.com/pictures/61/5800264.jpg)
Geology
Geophysics
Digital Geosciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 Index Rankings
World Rank
885,781
Country Rank
6,918
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Alphonsus Sunday Anichebe](/user/assets/images/profile/no-profile-photo.png)
general relatively
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
* Total i10 Index Rankings
World Rank
1,014,574
Country Rank
9,812
Institution Rank : 44
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Onyebuchi Joseph Nwadiogbu](https://cdn.adscientificindex.com/pictures/dc/5797205.jpg)
Environmental Chemistry
Analytical Chemistry
Materials Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
* Total i10 Index Rankings
World Rank
972,079
Country Rank
8,856
Institution Rank : 37
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Nkiru Patricia Chude](/pictures/e8/4516238.jpg)
Finance and Banking
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
* Total i10 Index Rankings
World Rank
972,135
Country Rank
8,862
Institution Rank : 38
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Daniel Izuchukwu Chude](/pictures/8d/4515788.jpg)
Auditing and Investigation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
* Total i10 Index Rankings
World Rank
981,049
Country Rank
9,115
Institution Rank : 39
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Gbasouzor Austin Ikechukwu](/user/assets/images/profile/no-profile-photo.png)
Design
Manufacturing and Production Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
3
0.333
* Total i10 Index Rankings
World Rank
1,030,607
Country Rank
10,295
Institution Rank : 45
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Odumodu Chukwuemeka Frank Raluchukwu](/pictures/00/4531109.jpg)
Petroleum Geology
Paleontology and Biostratigraphy
Sedimentology and Stratigraphy
Regional Geology.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
1
0.125
* Total i10 Index Rankings
World Rank
1,043,171
Country Rank
10,544
Institution Rank : 47
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Nwokolo Echezona Emmanuel](/pictures/06/4637966.jpg)
Entrepreneurship
Organizational behaviour
Organizational Leadership and Food Security
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 Index Rankings
World Rank
1,052,381
Country Rank
10,669
Institution Rank : 48
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Jessie I. Chukwunulu](/pictures/6a/4637733.jpg)
Monetary theory
financial management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 Index Rankings
World Rank
1,053,534
Country Rank
10,691
Institution Rank : 49
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Ellis I. Idemobi](https://cdn.adscientificindex.com/pictures/bf/5798607.jpg)
national and international trade engagement
capital accumulation
foreign direct investment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
* Total i10 Index Rankings
World Rank
1,041,639
Country Rank
10,512
Institution Rank : 46
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Manafa Ifeyinwa F](/pictures/96/4637394.jpg)
Education management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 Index Rankings
World Rank
1,062,054
Country Rank
10,925
Institution Rank : 50
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Chinweobo E. Umeora](/pictures/2a/4531371.jpg)
Monetary Theory and Policies
Fiscal policy
International Finance
Taxation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
* Total i10 Index Rankings
World Ranking
919,596
Country Ranking
7,600
Institution Ranking
28
Ezeanyeji Clement. I
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
![](https://cdn.adscientificindex.com/logos/1584.png)
Public Finance
Economics of Production
Personnel management and Industrial Relations
* Total i10 Index Rankings
World Ranking
891,869
Country Ranking
7,086
Institution Ranking
26
Angela Nwammuo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
7
0.636
![](https://cdn.adscientificindex.com/logos/1584.png)
Media Studies
Gender Studies
Journalism
Public Relations
Advertising.
* Total i10 Index Rankings
World Ranking
929,013
Country Ranking
7,859
Institution Ranking
30
Chinyere Constance Ezemba
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
![](https://cdn.adscientificindex.com/logos/1584.png)
Fermentation technologies
Microbial biotechnology
Bioinformatics
Bioenergy
Food proteins
* Total i10 Index Rankings
World Ranking
930,311
Country Ranking
7,886
Institution Ranking
31
Gordian Obi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
6
0.600
![](https://cdn.adscientificindex.com/logos/1584.png)
Sedimentology
stratigraphy
petroleum geochemistry
paleobiology
* Total i10 Index Rankings
World Ranking
927,123
Country Ranking
7,782
Institution Ranking
29
Emeka Anthony Obi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
![](https://cdn.adscientificindex.com/logos/1584.png)
Public Policy Analysis
Political economy
Development studies
Government
Comparative studies
* Total i10 Index Rankings
World Ranking
932,408
Country Ranking
7,961
Institution Ranking
32
Amaechi Comfort Ifeakor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
6
0.600
![](https://cdn.adscientificindex.com/logos/1584.png)
Research Methodology
Educational Statistics
Measurement and Evaluation
* Total i10 Index Rankings
World Ranking
935,272
Country Ranking
8,055
Institution Ranking
33
Ojiyi Emmanuel Chukwuemeka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
5
0.500
* Total i10 Index Rankings
World Ranking
956,862
Country Ranking
8,387
Institution Ranking
36
Chukwurah, Daniel Chi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
* Total i10 Index Rankings
World Ranking
981,727
Country Ranking
9,131
Institution Ranking
40
Chukwuemeke Azikiwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
2
0.222
![](https://cdn.adscientificindex.com/logos/1584.png)
infectious diseases
malaria
anticonvulsants
medicinal plants
* Total i10 Index Rankings
World Ranking
939,708
Country Ranking
8,150
Institution Ranking
34
Ngozi Agatha Okereke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
2
0.200
![](https://cdn.adscientificindex.com/logos/1584.png)
solid state physics
material science
crystal growth
nanotechnology and photovoltaics
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* Total i10 Index Rankings
World Ranking
983,268
Country Ranking
9,150
Institution Ranking
41
Okeke Justina Ebele
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
1
0.111
![](https://cdn.adscientificindex.com/logos/1584.png)
applied computational mathematics
* Total i10 Index Rankings
World Ranking
948,837
Country Ranking
8,258
Institution Ranking
35
Anne C. Maduka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
![](https://cdn.adscientificindex.com/logos/1584.png)
Development Economics
Financial Institutions
* Total i10 Index Rankings
World Ranking
992,568
Country Ranking
9,294
Institution Ranking
42
Olisah Michael Chinedu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 Index Rankings
World Ranking
998,818
Country Ranking
9,396
Institution Ranking
43
Kingsley Nwozor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 Index Rankings
World Ranking
885,781
Country Ranking
6,918
Institution Ranking
25
Alphonsus Sunday Anichebe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
* Total i10 Index Rankings
World Ranking
1,014,574
Country Ranking
9,812
Institution Ranking
44
Onyebuchi Joseph Nwadiogbu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
![](https://cdn.adscientificindex.com/logos/1584.png)
Environmental Chemistry
Analytical Chemistry
Materials Chemistry
* Total i10 Index Rankings
World Ranking
972,079
Country Ranking
8,856
Institution Ranking
37
Nkiru Patricia Chude
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
* Total i10 Index Rankings
World Ranking
972,135
Country Ranking
8,862
Institution Ranking
38
Daniel Izuchukwu Chude
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
![](https://cdn.adscientificindex.com/logos/1584.png)
Auditing and Investigation
* Total i10 Index Rankings
World Ranking
981,049
Country Ranking
9,115
Institution Ranking
39
Gbasouzor Austin Ikechukwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
3
0.333
![](https://cdn.adscientificindex.com/logos/1584.png)
Design
Manufacturing and Production Engineering
* Total i10 Index Rankings
World Ranking
1,030,607
Country Ranking
10,295
Institution Ranking
45
Odumodu Chukwuemeka Frank Raluchukwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
1
0.125
![](https://cdn.adscientificindex.com/logos/1584.png)
Petroleum Geology
Paleontology and Biostratigraphy
Sedimentology and Stratigraphy
Regional Geology.
* Total i10 Index Rankings
World Ranking
1,043,171
Country Ranking
10,544
Institution Ranking
47
Nwokolo Echezona Emmanuel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
![](https://cdn.adscientificindex.com/logos/1584.png)
Entrepreneurship
Organizational behaviour
Organizational Leadership and Food Security
* Total i10 Index Rankings
World Ranking
1,052,381
Country Ranking
10,669
Institution Ranking
48
Jessie I. Chukwunulu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 Index Rankings
World Ranking
1,053,534
Country Ranking
10,691
Institution Ranking
49
Ellis I. Idemobi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
![](https://cdn.adscientificindex.com/logos/1584.png)
national and international trade engagement
capital accumulation
foreign direct investment
* Total i10 Index Rankings
World Ranking
1,041,639
Country Ranking
10,512
Institution Ranking
46
Manafa Ifeyinwa F
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 Index Rankings
World Ranking
1,062,054
Country Ranking
10,925
Institution Ranking
50
Chinweobo E. Umeora
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
![](https://cdn.adscientificindex.com/logos/1584.png)
Monetary Theory and Policies
Fiscal policy
International Finance
Taxation