Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as 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
African Philosophy
African Metaphysics
African Bioethics
African Traditional Religion
African Cultural Studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
105
0.938
* Total i10 IndexRankings
Ranking Based On Selection :2
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
29
0.408
* Total i10 IndexRankings
Ranking Based On Selection :3
Maritime History
Economic History
Social History
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
13
0.289
* Total i10 IndexRankings
Ranking Based On Selection :4
Materials technology
design and manufacturing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
26
0.897
* Total i10 IndexRankings
Ranking Based On Selection :5
New Testament Theology
African Christology
Greek
Social Justice
Contemporary Ethical Issues.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
16
0.552
* Total i10 IndexRankings
Ranking Based On Selection :6
Phylosophy of Science and Epistemology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
13
0.565
* Total i10 IndexRankings
Ranking Based On Selection :7
Environmental Ethics
African Environmental Ethics
Ethics
African Philosophy
Social/Political Philosophy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
* Total i10 IndexRankings
Ranking Based On Selection :8
Economic and Social History
with emphasis on Oil and Gas and the Environment in the Niger Delta
Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
7
0.318
* Total i10 IndexRankings
Ranking Based On Selection :9
Epistemology
African Philosophy
Metaphysics
Peace and Conflict Studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
20
0.952
* Total i10 IndexRankings
Ranking Based On Selection :10
identity and migration studies
borderland research and african history
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
11
0.524
* Total i10 IndexRankings
Ranking Based On Selection :11
African philosophy
bioethics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
* Total i10 IndexRankings
Ranking Based On Selection :12
Peace
Conflict
Security Studies
African Politics
History
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
13
0.650
* Total i10 IndexRankings
Ranking Based On Selection :13
Logic
Foundations of Mathematics
Philosophy of Science
Leadership Philosophy & African Philosophy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
* Total i10 IndexRankings
Ranking Based On Selection :14
Islamic Juristprudence/ Family Laws
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
13
0.722
* Total i10 IndexRankings
Ranking Based On Selection :15
Epistemology
Ethics and African Philosophy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
8
0.444
* Total i10 IndexRankings
Ranking Based On Selection :16
African & Nigerian History
Women History
Islam
Religious Conversions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
* Total i10 IndexRankings
Ranking Based On Selection :17
Orthopaedics and Trauma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
10
0.625
* Total i10 IndexRankings
Ranking Based On Selection :18
Philosophy
Policy
Critical & Creative Pedagogy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
9
0.563
* Total i10 IndexRankings
Ranking Based On Selection :19
History
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
2
0.125
* Total i10 IndexRankings
Ranking Based On Selection :20
Pentecostalism
African Church History
Religion and Society
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
* Total i10 IndexRankings
Ranking Based On Selection :21
Philosophy
Ibuanyidanda (Complementary Philosophy)
African Philosophy.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
9
0.600
* Total i10 IndexRankings
Ranking Based On Selection :22
Philosophy
Religion
Theology
Ethics
Humanities Research Methodologies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
* Total i10 IndexRankings
Ranking Based On Selection :23
Religion and General Educatiion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total i10 IndexRankings
Ranking Based On Selection :24
history of ogbomoso
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
11
0.846
* Total i10 IndexRankings
Ranking Based On Selection :25
African history
cultural studies
development studies democracy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
Kanu Ikechukwu Anthony
Tansian University
Umunya, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
105
0.938
African Philosophy
African Metaphysics
African Bioethics
African Traditional Religion
African Cultural Studies
Ogbu Kalu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
29
0.408
Ayodeji Olukoju.
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
13
0.289
Maritime History
Economic History
Social History
Christian Emeka Okafor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
26
0.897
Materials technology
design and manufacturing
Chinwokwu Emmanuel Nlenanya
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
16
0.552
New Testament Theology
African Christology
Greek
Social Justice
Contemporary Ethical Issues.
Christian Onuorah Agbo
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
13
0.565
Phylosophy of Science and Epistemology
Samuel Akpan Bassey
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
Environmental Ethics
African Environmental Ethics
Ethics
African Philosophy
Social/Political Philosophy
Samuel Ovuete Aghalino
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
7
0.318
Economic and Social History
with emphasis on Oil and Gas and the Environment in the Niger Delta
Nigeria
Iniobong D. Umotong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
20
0.952
Epistemology
African Philosophy
Metaphysics
Peace and Conflict Studies
Olukoya Ogen
Osun State University
Oshogbo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
11
0.524
identity and migration studies
borderland research and african history
Fayemi Ademola
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
African philosophy
bioethics
Kelechi Johnmary Ani
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
13
0.650
Peace
Conflict
Security Studies
African Politics
History
Christopher Alexander Udofia|Udofia Christopher Alexander, Udofia C. A, CA Udofia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
Logic
Foundations of Mathematics
Philosophy of Science
Leadership Philosophy & African Philosophy
Abdulwahab Abdulqadir Ibrahim
Nasarawa State University
Keffi, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
13
0.722
Islamic Juristprudence/ Family Laws
Ozumba Godfrey Okechukwu
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
8
0.444
Epistemology
Ethics and African Philosophy
Egodi Uchendu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
African & Nigerian History
Women History
Islam
Religious Conversions
Nwankwo Okechukwu Emmanuel
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
10
0.625
Patrick Akinsanya
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
9
0.563
Philosophy
Policy
Critical & Creative Pedagogy
Okon E. Uya
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
2
0.125
Hilary Achunike
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
Pentecostalism
African Church History
Religion and Society
Innocent Asouzu
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
9
0.600
Philosophy
Ibuanyidanda (Complementary Philosophy)
African Philosophy.
Peter Oo Ottuh|P. O. O. Ottuh, Peter Ottuh, Peter Oghenefavwe Oritsemuwa Ottuh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
Philosophy
Religion
Theology
Ethics
Humanities Research Methodologies
Leonard İlechukwu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
Religion and General Educatiion
Lawal Shehu Dauda
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
11
0.846
Emmanuel Oladipo Ojo
Ekiti State University Ado Ekiti
Ado-Ekiti, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
African history
cultural studies
development studies democracy