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
English
Poetry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
3
0.158
* Total i10 IndexRankings
Ranking Based On Selection :2
Curriculum and Instruction
EFL
ESL
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :3
English Language/ Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :4
English Language
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection :5
English Language
English as a Second Language
English Grammar
Sociolinguistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :6
English Language
Applied English Linguistics
Discourse Analysis
Teaching English as a second language
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :7
English Language Education and communication
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :8
English Language
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :9
English language teaching and learning
Gender studies
Semantics
Morphology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :10
English language
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Rn Egudu
Godfrey Okoye University
Ugwuomu-Nike, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
3
0.158
Muhammad Ali Mustapha
University of Maiduguri
Maiduguri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Curriculum and Instruction
EFL
ESL
Pastor Charles Olowoyeye
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Susanna Timkamauduot Udoka|Susanna T. Udoka, Udoka, Susanna T., Udoka, ST.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
Akabuike Ifeoma Grace
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
English Language
English as a Second Language
English Grammar
Sociolinguistics
Ngozi C. Anigbogu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
English Language
Applied English Linguistics
Discourse Analysis
Teaching English as a second language
Adejoke Victoria Jibowo
Olabisi Onabanjo University
Ago Iwoye, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
English Language Education and communication
Folakemi Oyeyemi Adeniyi-Egbeola
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Ngozi Nwigwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
English language teaching and learning
Gender studies
Semantics
Morphology
Margaret Nonyerem Agu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0