Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (870,053 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 4
Abdelmottaleb Ouederni
aticated carbon/ gaz storage/ microreactors/ ozone/ adsorption/ catalysis
Metrics
H-Index
i10 Index
Citation
33
60
3,258
* Rankings
Ranking Based On Selection: 7
Rhouma Rhouma
Telecommunications
Computer Science
Cryptography
Watermarking
Steganography
Metrics
H-Index
i10 Index
Citation
24
32
2,631
* Rankings
Ranking Based On Selection: 8
Mustapha Gorai
plant ecology
plant physiology
abiotic stresses
Metrics
H-Index
i10 Index
Citation
19
22
1,410
* Rankings
Ranking Based On Selection: 10
Kamel Abderrahim
System identification
Metrics
H-Index
i10 Index
Citation
15
31
931

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! 

* Rankings
Ranking Based On Selection: 11
Nabil Ben Mansour
Nanocomposites organiques/inorganiques
Metrics
H-Index
i10 Index
Citation
15
19
479
* Rankings
Ranking Based On Selection: 12
Mohamed Debouba
Plant physiology
phytochemistry
secondary metabolites
Metrics
H-Index
i10 Index
Citation
14
17
1,191
* Rankings
Ranking Based On Selection: 13
Majda Ltaief
Multimodel and Multicontrol approaches
Fuzzy supervision and Numerical Control of complex systems.
Metrics
H-Index
i10 Index
Citation
14
20
522
* Rankings
Ranking Based On Selection: 14
Mounir Ltifi
Geotechnical Engineering - Geo-materials Behavior
Metrics
H-Index
i10 Index
Citation
13
19
816
* Rankings
Ranking Based On Selection: 15
Mohamed Hachemi Chahbani
Gas separation Adsorption solar air conditioning Adsorption heat pumps
Metrics
H-Index
i10 Index
Citation
13
14
984
* Rankings
Ranking Based On Selection: 16
Nasreddine Hajlaoui
Cyber Security
Wireless networks
Cloud computing
Machine Learning
Metrics
H-Index
i10 Index
Citation
9
9
235
* Rankings
Ranking Based On Selection: 17
Baghdadi Aloui
Special Functions Orthogonal Polynomials Generating Functions Number Theory
Metrics
H-Index
i10 Index
Citation
5
4
101
* Rankings
Ranking Based On Selection: 19
Moez Ayachi
Nonlinear dynamics
Biological systems
Neural networks
Almost periodicity
Delay Differential Equ
Metrics
H-Index
i10 Index
Citation
5
3
81
* Rankings
Ranking Based On Selection: 20
Noureddine Ghiloufi
Complex Analysis
Functional Analysis
Metrics
H-Index
i10 Index
Citation
5
1
62
* Rankings
Ranking Based On Selection: 23
Khawla Guiza
Chemistry- biomatériel Wastewater treatment
Metrics
H-Index
i10 Index
Citation
2
1
30
* Rankings
Ranking Based On Selection: 24
Walaeddine Maaoui
Physics
Artificial intelligence
Artificial neural networks
Metrics
H-Index
i10 Index
Citation
2
0
14
Rankings
Ranking Based On Selection: 1
Lassaad El Mir
Metrics
H-Index
i10 Index
Citation Counts
54
172
8,221
Rankings
Ranking Based On Selection: 2
Ammar Houas
Metrics
H-Index
i10 Index
Citation Counts
39
78
9,755
Rankings
Ranking Based On Selection: 3
Walid Elfalleh
Metrics
H-Index
i10 Index
Citation Counts
36
102
5,390
Rankings
Ranking Based On Selection: 4
Abdelmottaleb Ouederni
Metrics
H-Index
i10 Index
Citation Counts
33
60
3,258
aticated carbon/ gaz storage/ microreactors/ ozone/ adsorption/ catalysis
Rankings
Ranking Based On Selection: 5
Lassaad Sbita
Metrics
H-Index
i10 Index
Citation Counts
32
104
3,898
Rankings
Ranking Based On Selection: 6
Lazhar Zourgui
Metrics
H-Index
i10 Index
Citation Counts
24
32
1,868
Rankings
Ranking Based On Selection: 7
Rhouma Rhouma
Metrics
H-Index
i10 Index
Citation Counts
24
32
2,631
Telecommunications
Computer Science
Cryptography
Watermarking
Steganography
Rankings
Ranking Based On Selection: 8
Mustapha Gorai
Metrics
H-Index
i10 Index
Citation Counts
19
22
1,410
plant ecology
plant physiology
abiotic stresses
Rankings
Ranking Based On Selection: 9
Rafik Bachoual
Metrics
H-Index
i10 Index
Citation Counts
16
17
1,163
Rankings
Ranking Based On Selection: 10
Kamel Abderrahim
Metrics
H-Index
i10 Index
Citation Counts
15
31
931

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! 

Rankings
Ranking Based On Selection: 11
Nabil Ben Mansour
Metrics
H-Index
i10 Index
Citation Counts
15
19
479
Nanocomposites organiques/inorganiques
Rankings
Ranking Based On Selection: 12
Mohamed Debouba
Metrics
H-Index
i10 Index
Citation Counts
14
17
1,191
Plant physiology
phytochemistry
secondary metabolites
Rankings
Ranking Based On Selection: 13
Majda Ltaief
Metrics
H-Index
i10 Index
Citation Counts
14
20
522
Multimodel and Multicontrol approaches
Fuzzy supervision and Numerical Control of complex systems.
Rankings
Ranking Based On Selection: 14
Mounir Ltifi
Metrics
H-Index
i10 Index
Citation Counts
13
19
816
Geotechnical Engineering - Geo-materials Behavior
Rankings
Ranking Based On Selection: 15
Mohamed Hachemi Chahbani
Metrics
H-Index
i10 Index
Citation Counts
13
14
984
Gas separation Adsorption solar air conditioning Adsorption heat pumps
Rankings
Ranking Based On Selection: 16
Nasreddine Hajlaoui
Metrics
H-Index
i10 Index
Citation Counts
9
9
235
Cyber Security
Wireless networks
Cloud computing
Machine Learning
Rankings
Ranking Based On Selection: 17
Baghdadi Aloui
Metrics
H-Index
i10 Index
Citation Counts
5
4
101
Special Functions Orthogonal Polynomials Generating Functions Number Theory
Rankings
Ranking Based On Selection: 18
Khaled Hassine
Metrics
H-Index
i10 Index
Citation Counts
5
3
95
Rankings
Ranking Based On Selection: 19
Moez Ayachi
Metrics
H-Index
i10 Index
Citation Counts
5
3
81
Nonlinear dynamics
Biological systems
Neural networks
Almost periodicity
Delay Differential Equ
Rankings
Ranking Based On Selection: 20
Noureddine Ghiloufi
Metrics
H-Index
i10 Index
Citation Counts
5
1
62
Complex Analysis
Functional Analysis
Rankings
Ranking Based On Selection: 21
Nejib Saadaoui
Metrics
H-Index
i10 Index
Citation Counts
3
1
97
Rankings
Ranking Based On Selection: 22
Bessadok Mohamed Nafti
Metrics
H-Index
i10 Index
Citation Counts
3
1
29
Rankings
Ranking Based On Selection: 23
Khawla Guiza
Metrics
H-Index
i10 Index
Citation Counts
2
1
30
Chemistry- biomatériel Wastewater treatment
Rankings
Ranking Based On Selection: 24
Walaeddine Maaoui
Metrics
H-Index
i10 Index
Citation Counts
2
0
14
Physics
Artificial intelligence
Artificial neural networks