Total 2,390,219 scientists, country 221, and institutions 24,464 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
![Richard Watson Todd](/user/assets/images/profile/no-profile-photo.png)
Applied linguistics
Text linguistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
29
0.644
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Pornapit Darasawang](/user/assets/images/profile/no-profile-photo.png)
learner autonomy
self access centre
learner training
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Wannapa Trakulkasemsuk](/user/assets/images/profile/no-profile-photo.png)
English as a Lingua Franca World Englishes English Communication
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
9
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Pojanapunya P](https://cdn.adscientificindex.com/pictures/bd/405578.jpg)
Corpus linguistics
Keyword analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Wenwen Tan](https://cdn.adscientificindex.com/pictures/7c/5718466.jpg)
Applied Linguistics
academic advising
teacher development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Saowaluck Tepsuriwong](https://cdn.adscientificindex.com/pictures/17/5541782.jpg)
Language learning
pedagogy
applied linguistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Ali Zahabi](https://cdn.adscientificindex.com/pictures/8e/5102187.jpg)
English Language Teaching Language Assessment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Pamararat Wiriyakarun](https://cdn.adscientificindex.com/pictures/aa/5457674.jpg)
English Language Teaching
Testing and Assessment
Learner Autonomy
Task-based Learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Jaturapitakkul, N.](https://cdn.adscientificindex.com/pictures/bc/5104966.jpg)
Language assessment
English Language Teaching and Learning
ESP
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Duangjaichanok Pansa](/user/assets/images/profile/no-profile-photo.png)
Language Testing and Assessment
English Language Teaching
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
* Total i10 IndexRankings
Ranking Based On Selection: 11
![Kitcha Thepsiri](/user/assets/images/profile/no-profile-photo.png)
Applied Linguistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Sri Hariyatmi](https://cdn.adscientificindex.com/pictures/f7/5379297.jpg)
Applied Linguistics
Cultural Studies
Literature
Discourse Analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Richard Watson Todd
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
29
0.644
Applied linguistics
Text linguistics
Pornapit Darasawang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
learner autonomy
self access centre
learner training
Wannapa Trakulkasemsuk
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
9
0.750
English as a Lingua Franca World Englishes English Communication
Pojanapunya P
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
Corpus linguistics
Keyword analysis
Wenwen Tan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Applied Linguistics
academic advising
teacher development
Saowaluck Tepsuriwong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Language learning
pedagogy
applied linguistics
Ali Zahabi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
English Language Teaching Language Assessment
Pamararat Wiriyakarun
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
English Language Teaching
Testing and Assessment
Learner Autonomy
Task-based Learning
Jaturapitakkul, N.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
Language assessment
English Language Teaching and Learning
ESP
Duangjaichanok Pansa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Language Testing and Assessment
English Language Teaching
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Kitcha Thepsiri
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Sri Hariyatmi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Applied Linguistics
Cultural Studies
Literature
Discourse Analysis