Total 2,424,675 scientists, country 221, and institutions 24,468 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
![Umar Sa'ad Aliyu](https://cdn.adscientificindex.com/pictures/69/3471068.jpg)
Radiation Shielding Glasses
Optical Materials
Polymer Materials
General Materials and Radiation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
39
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Taiwo Adewumi](https://cdn.adscientificindex.com/pictures/da/4643960.jpg)
Exploration Geophysics
Environmental Geophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Onyekachi Kalu](https://cdn.adscientificindex.com/pictures/f3/4745357.jpg)
Material Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Rebecca Mfon|R.E. Mfon](https://cdn.adscientificindex.com/pictures/07/4559020.jpg)
Condensed Matter Physics (Solid state Phtsics)
Nanotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Oyelade Emmanuel Akinbami](https://cdn.adscientificindex.com/pictures/5f/4641341.jpg)
Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Oladiran Johnson Abimbola](https://cdn.adscientificindex.com/pictures/48/4643172.jpg)
Atmospheric Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Otto Muhammed Sani](https://cdn.adscientificindex.com/pictures/c9/4926522.jpg)
Atmospheric Physics & Material Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Joseph Omojola](https://cdn.adscientificindex.com/pictures/a2/4907463.jpg)
Astrophysics/Space sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Mohammed Mustapha Adejo](/user/assets/images/profile/no-profile-photo.png)
Exploration and Environmental Geophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
Umar Sa'ad Aliyu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
39
1.000
Radiation Shielding Glasses
Optical Materials
Polymer Materials
General Materials and Radiation
Taiwo Adewumi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
Exploration Geophysics
Environmental Geophysics
Onyekachi Kalu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Rebecca Mfon|R.E. Mfon
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Condensed Matter Physics (Solid state Phtsics)
Nanotechnology
Oyelade Emmanuel Akinbami
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Oladiran Johnson Abimbola
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Otto Muhammed Sani
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Joseph Omojola
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Mohammed Mustapha Adejo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000