Total 2,455,213 scientists, country 221, and institutions 24,478 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

Physical chemistry
Nanomaterials Science
Energy production and storage
Photocatalys
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
* Total i10 IndexRankings
Ranking Based On Selection: 2

Analytical Chemistry
Physical Chemistry
Electrochemical
Environmental Chemistry
Biological
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
5
0.625
* Total i10 IndexRankings
Ranking Based On Selection: 3

Inorganic Chemistry
Spectroscopy
Complexes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 4

الفيزياء التجريبية، البصريات، الليزر والبلمرات
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Mohammed A Mannaa
Sa'ada University
Saada, Yemen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
Physical chemistry
Nanomaterials Science
Energy production and storage
Photocatalys
Ahmad Al Maofari|Ahmaed Al Maofari, Ahmad Almaofari, احمد الموفري
Sa'ada University
Saada, Yemen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
5
0.625
Analytical Chemistry
Physical Chemistry
Electrochemical
Environmental Chemistry
Biological
Mosaad Ragea
Sa'ada University
Saada, Yemen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Inorganic Chemistry
Spectroscopy
Complexes
Foad Hanash|F. E. Hanash
Sa'ada University
Saada, Yemen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
الفيزياء التجريبية، البصريات، الليزر والبلمرات