The ranking of “Top 100” scientists is based on total h-index scores. Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, EECA, BRICS, and COMESA 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, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (829,221 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.
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![Ahmad Hamaed](https://cdn.adscientificindex.com/pictures/3e/342987.jpg)
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![Egypt](/flags/eg.png)
![Ahmed Badawy](/user/assets/images/profile/no-profile-photo.png)
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![Heba Mohamed Adel](https://cdn.adscientificindex.com/pictures/41/4556393.jpg)
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![Lebanon](/flags/lb.png)
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![Algeria](/flags/dz.png)
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![Saudi Arabia](/flags/sa.png)
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![Tarek Nazel](/user/assets/images/profile/no-profile-photo.png)
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![Saudi Arabia](/flags/sa.png)
![Maha Al-Senan](https://cdn.adscientificindex.com/pictures/34/5134474.jpg)
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![Jordan](/flags/jo.png)
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![Lebanon](/flags/lb.png)
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![Oman](/flags/om.png)
![Ihab Hanafy](https://cdn.adscientificindex.com/pictures/0d/4314325.jpg)
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![Egypt](/flags/eg.png)
![Lamiaa M Lotfy](https://cdn.adscientificindex.com/pictures/56/4813759.jpg)
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![Egypt](/flags/eg.png)
![Basant Awad Mandour](/user/assets/images/profile/no-profile-photo.png)
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![Lebanon](/flags/lb.png)
![Hady Zaccak](https://cdn.adscientificindex.com/pictures/63/5068642.jpg)
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![Lebanon](/flags/lb.png)
![Arjun Kumar Singh](https://cdn.adscientificindex.com/pictures/ce/5063484.jpg)
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![Algeria](/flags/dz.png)
![Rezak Aziz](/user/assets/images/profile/no-profile-photo.png)
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![Lebanon](/flags/lb.png)
![Maha Mahmoud El Masri Hachem|Maha Masri, Maha Hachem](https://cdn.adscientificindex.com/pictures/0d/5071042.jpg)
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![Jordan](/flags/jo.png)
![Tsonka Albakri](/user/assets/images/profile/no-profile-photo.png)
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![Egypt](/flags/eg.png)
![Maha Ibrahim](/pictures/f7/5034119.jpg)
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![Lebanon](/flags/lb.png)
![Toufic Maatouk](/pictures/cd/4655340.jpg)
![](https://cdn.adscientificindex.com/logos/2254.jpg)
![Mauritania](/flags/mr.png)
![Cheikh Brahim Abed](/pictures/b1/4307264.jpg)
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![Iraq](/flags/iq.png)
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![Saudi Arabia](/flags/sa.png)
![Marva Lopez](/pictures/71/5134746.jpg)
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![Jordan](/flags/jo.png)
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![Egypt](/flags/eg.png)
![Eman Elbana](/pictures/05/5067384.jpg)
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![Kuwait](/flags/kw.png)
![Gokce Hilal Sincer](/pictures/6f/5333815.jpg)
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![Iraq](/flags/iq.png)
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![Ahmedel Tahan](/pictures/c0/5062374.jpg)
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![Iraq](/flags/iq.png)
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![Egypt](/flags/eg.png)
![Haitham Nagieb](/pictures/a7/5035669.jpg)
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![Egypt](/flags/eg.png)
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![Saudi Arabia](/flags/sa.png)
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![Saudi Arabia](/flags/sa.png)
![Abeer Farouk Ahmed](/pictures/c9/5134748.jpg)
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![Weaam Ahmed Elmasry Abdellatif Abouelmagd](/pictures/95/5033433.jpg)
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![Egypt](/flags/eg.png)
![Emad Abdel Azeem](/pictures/69/5067348.jpg)
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![Tunisia](/flags/tn.png)
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![Ghada Alhalasa](/pictures/1e/5203988.jpg)
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![Alia Abdulaziz Alfadda](/pictures/de/5134429.jpg)
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![Saudi Arabia](/flags/sa.png)
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![Maha Alatawi](/pictures/ae/5159601.jpg)
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![Jordan](/flags/jo.png)
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![Egypt](/flags/eg.png)
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![](https://cdn.adscientificindex.com/logos/2272.jpg)
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![Kuwait](/flags/kw.png)
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![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
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![Lebanon](/flags/lb.png)
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![Egypt](/flags/eg.png)
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![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/12148.jpg)
![](https://cdn.adscientificindex.com/logos/12148.jpg)
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![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/6536.jpg)
![](https://cdn.adscientificindex.com/logos/6536.jpg)
![](/assets/images/world-icon.png)
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![](https://cdn.adscientificindex.com/logos/6536.jpg)
![](https://cdn.adscientificindex.com/logos/6536.jpg)
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![Egypt](/flags/eg.png)
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![](https://cdn.adscientificindex.com/logos/6536.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1857.png)
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![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/10652.png)
![](https://cdn.adscientificindex.com/logos/10652.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
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![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/12077.jpg)
![](https://cdn.adscientificindex.com/logos/12077.jpg)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/11368.jpg)
![](https://cdn.adscientificindex.com/logos/11368.jpg)
![](/assets/images/world-icon.png)
![Oman](/flags/om.png)
![](https://cdn.adscientificindex.com/logos/8574.jpg)
![](https://cdn.adscientificindex.com/logos/8574.jpg)
![](/assets/images/world-icon.png)
![Algeria](/flags/dz.png)
![](https://cdn.adscientificindex.com/logos/10524.png)
![](https://cdn.adscientificindex.com/logos/10524.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/7028.jpg)
![](https://cdn.adscientificindex.com/logos/7028.jpg)
![](/assets/images/world-icon.png)
![Bahrain](/flags/bh.png)
![](https://cdn.adscientificindex.com/logos/10749.png)
![](https://cdn.adscientificindex.com/logos/10749.png)
![](/assets/images/world-icon.png)
![Kuwait](/flags/kw.png)
![](https://cdn.adscientificindex.com/logos/414.png)
![](https://cdn.adscientificindex.com/logos/414.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/411.png)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/11099.jpg)
![](https://cdn.adscientificindex.com/logos/11099.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/28059.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/403.png)
![](https://cdn.adscientificindex.com/logos/403.png)
![](/assets/images/world-icon.png)
![Algeria](/flags/dz.png)
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![](https://cdn.adscientificindex.com/logos/10647.png)
![](/assets/images/world-icon.png)
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![](https://cdn.adscientificindex.com/logos/2575.png)
![](https://cdn.adscientificindex.com/logos/2575.png)
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![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/572.jpg)
![](https://cdn.adscientificindex.com/logos/572.jpg)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/5208.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/4917.jpg)
![](https://cdn.adscientificindex.com/logos/4917.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/7027.jpg)
![](https://cdn.adscientificindex.com/logos/7027.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5759.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/7033.jpg)
![](https://cdn.adscientificindex.com/logos/7033.jpg)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/11099.jpg)
![](https://cdn.adscientificindex.com/logos/11099.jpg)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/5208.jpg)
![](https://cdn.adscientificindex.com/logos/5208.jpg)
![](/assets/images/world-icon.png)
![Oman](/flags/om.png)
![](https://cdn.adscientificindex.com/logos/276.jpg)
![](https://cdn.adscientificindex.com/logos/276.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/318.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1857.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/10680.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/24489.jpg)
![](https://cdn.adscientificindex.com/logos/24489.jpg)
![](/assets/images/world-icon.png)
![Algeria](/flags/dz.png)
![](https://cdn.adscientificindex.com/logos/2174.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/10652.png)
![](https://cdn.adscientificindex.com/logos/10652.png)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/11099.jpg)
![](https://cdn.adscientificindex.com/logos/11099.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/10466.png)
![](/assets/images/world-icon.png)
![Mauritania](/flags/mr.png)
![](https://cdn.adscientificindex.com/logos/2254.jpg)
![](https://cdn.adscientificindex.com/logos/2254.jpg)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/3644.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/318.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1857.png)
![](https://cdn.adscientificindex.com/logos/1857.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/7027.jpg)
![](https://cdn.adscientificindex.com/logos/7027.jpg)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/11368.jpg)
![](https://cdn.adscientificindex.com/logos/11368.jpg)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/10680.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/24489.jpg)
![](https://cdn.adscientificindex.com/logos/24489.jpg)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/7035.jpg)
![](https://cdn.adscientificindex.com/logos/7035.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](/assets/images/world-icon.png)
![Kuwait](/flags/kw.png)
![](https://cdn.adscientificindex.com/logos/425.jpg)
![](https://cdn.adscientificindex.com/logos/425.jpg)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/237.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1857.png)
![](https://cdn.adscientificindex.com/logos/1857.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/2331.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/894.png)
![](https://cdn.adscientificindex.com/logos/894.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/4924.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/4917.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/6536.jpg)
![](https://cdn.adscientificindex.com/logos/6536.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/2575.png)
![](https://cdn.adscientificindex.com/logos/2575.png)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10585.png)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/12077.jpg)
![](https://cdn.adscientificindex.com/logos/12077.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/7033.jpg)
![](https://cdn.adscientificindex.com/logos/7033.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/8000.png)
![](/assets/images/world-icon.png)
![Kuwait](/flags/kw.png)
![](https://cdn.adscientificindex.com/logos/414.png)
![](https://cdn.adscientificindex.com/logos/414.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/8306.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/7028.jpg)
![](/assets/images/world-icon.png)
![Libya](/flags/ly.png)
![](https://cdn.adscientificindex.com/logos/10859.png)
![](https://cdn.adscientificindex.com/logos/10859.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1857.png)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/12148.jpg)
![](https://cdn.adscientificindex.com/logos/12148.jpg)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/10843.jpg)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/9128.jpg)
![](https://cdn.adscientificindex.com/logos/9128.jpg)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/2851.jpg)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/422.jpg)
![](https://cdn.adscientificindex.com/logos/422.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/894.png)
![](https://cdn.adscientificindex.com/logos/894.png)