Total 2,403,032 scientists, country 221, and institutions 24,466 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Peter Matu](/user/assets/images/profile/no-profile-photo.png)
Linguistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
7
0.583
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Ochieng Orwenjo](https://cdn.adscientificindex.com/pictures/ff/4637239.jpg)
Linguistics
Education
Communication
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Omondi Oketch](/user/assets/images/profile/no-profile-photo.png)
Linguistics
semiotics
multimodality
semiotic landscapes
linguistic landscapes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
2
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Alice Kiai](/user/assets/images/profile/no-profile-photo.png)
Materials development
second language learning
ELT
discourse analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Oduor Obura](https://cdn.adscientificindex.com/pictures/6d/5831894.jpg)
literary and cultural studies in eastern africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Peter Matu
Technical University of Kenya
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
7
0.583
Ochieng Orwenjo
Technical University of Kenya
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
Linguistics
Education
Communication
Omondi Oketch
Technical University of Kenya
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
2
0.333
Linguistics
semiotics
multimodality
semiotic landscapes
linguistic landscapes
Alice Kiai
Technical University of Kenya
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
Materials development
second language learning
ELT
discourse analysis
Oduor Obura
Technical University of Kenya
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
literary and cultural studies in eastern africa