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. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Medical Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
28
0.560
* Total i10 IndexRankings
Ranking Based On Selection :2
Medicine & Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
33
0.805
* Total i10 IndexRankings
Ranking Based On Selection :3
Gender Studies
Malaria and Tropical diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
8
0.222
* Total i10 IndexRankings
Ranking Based On Selection :4
Animal Products and Processing
Animal Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
15
0.484
* Total i10 IndexRankings
Ranking Based On Selection :5
Physical and Computational Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
26
0.929
* Total i10 IndexRankings
Ranking Based On Selection :6
Antioxidants
Membrane potential
Enzymes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
12
0.444
* Total i10 IndexRankings
Ranking Based On Selection :7
soil science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
7
0.259
* Total i10 IndexRankings
Ranking Based On Selection :8
Community Medicine (Occupational Health)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
23
0.885
* Total i10 IndexRankings
Ranking Based On Selection :9
Chemical pathology / Haematology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
14
0.538
* Total i10 IndexRankings
Ranking Based On Selection :10
MEASUREMENT AND EVALUATION
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
14
0.560
* Total i10 IndexRankings
Ranking Based On Selection :11
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 IndexRankings
Ranking Based On Selection :12
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 IndexRankings
Ranking Based On Selection :13
adsorption
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
* Total i10 IndexRankings
Ranking Based On Selection :14
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 IndexRankings
Ranking Based On Selection :15
work behaviour and social issues
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
* Total i10 IndexRankings
Ranking Based On Selection :16
production Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
16
0.941
* Total i10 IndexRankings
Ranking Based On Selection :17
Environmental and Industrial Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
* Total i10 IndexRankings
Ranking Based On Selection :18
Mental Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
* Total i10 IndexRankings
Ranking Based On Selection :19
Neurobiochemistry
Xenobiochem & Phytopharmacology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
6
0.375
* Total i10 IndexRankings
Ranking Based On Selection :20
Biochemical/Environmental Toxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
5
0.313
* Total i10 IndexRankings
Ranking Based On Selection :21
Professsor of Atmospheric Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
7
0.500
* Total i10 IndexRankings
Ranking Based On Selection :22
Public Mental Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total i10 IndexRankings
Ranking Based On Selection :23
medical Microbiology
parasitology
public health Microbiology.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
* Total i10 IndexRankings
Ranking Based On Selection :24
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 IndexRankings
Ranking Based On Selection :25
African poetry
African fiction
African drama
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
Paul C. Chikezie
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
28
0.560
Medical Biochemistry
Chukwuma B. Duru
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
33
0.805
Medicine & Public Health
Preet İnder Kaur Onyeka
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
8
0.222
Ndukwe James Okeudo
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
15
0.484
Animal Products and Processing
Animal Nutrition
Chidi Edbert Duru
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
26
0.929
Physical and Computational Chemistry
Johnkennedy Nnodim
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
12
0.444
Onyeanuforo C. C
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
7
0.259
Chiekulie Kevin Diwe
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
23
0.885
Edward Ukamaka
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
14
0.538
Philomena Ugo
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
14
0.560
Chidiezie Chineke
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
11
0.440
Atmospheric Physics
Climate Change
Renewable Energy
Air Quality
Remote Sensing
Chinyere Ukaga
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
11
0.458
Control and elimination of Malaria
PcNTDs
Co-infections of parasitic and viral diseases
Phytoproducts in Parasitic diseases control
BO Isiuku
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
Chinedu Anthony Iwu
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
Public Health
Communicable and Non-Communicable disease epidemiology
Ngozi Sydney-Agbor
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
Gilbert Onubuogu
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
16
0.941
Michael Nwachukwu
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
Environmental and Industrial Microbiology
Chinyere Aguocha
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
Gabriel Oze
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
6
0.375
Promise Nwankpa
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
5
0.313
Okey K. Nwofor
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
7
0.500
Emeka Nwefoh
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
Jc Uwaezuoke
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
Joeken Nzerem
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
Isidore Diala
Imo State University Owerri
Owerri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231