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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![](/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)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/411.png)
![](https://cdn.adscientificindex.com/logos/411.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/9128.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/10845.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)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/25140.jpg)
![](https://cdn.adscientificindex.com/logos/25140.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/895.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/4924.jpg)
![](https://cdn.adscientificindex.com/logos/4924.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/223.jpg)
![](https://cdn.adscientificindex.com/logos/223.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.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)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/4640.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/16254.png)
![](https://cdn.adscientificindex.com/logos/16254.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/10845.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8271.png)
![](https://cdn.adscientificindex.com/logos/8271.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/16254.png)
![](https://cdn.adscientificindex.com/logos/16254.png)
![](/assets/images/world-icon.png)
![Yemen](/flags/ye.png)
![](https://cdn.adscientificindex.com/logos/7579.png)
![](https://cdn.adscientificindex.com/logos/7579.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/11095.jpg)
![](https://cdn.adscientificindex.com/logos/11095.jpg)
![](/assets/images/world-icon.png)
![Kuwait](/flags/kw.png)
![](https://cdn.adscientificindex.com/logos/5074.jpg)
![](https://cdn.adscientificindex.com/logos/5074.jpg)
![](/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)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/16254.png)
![](https://cdn.adscientificindex.com/logos/16254.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Palestine](/flags/ps.png)
![](https://cdn.adscientificindex.com/logos/271.jpg)
![](/assets/images/world-icon.png)
![Qatar](/flags/qa.png)
![](https://cdn.adscientificindex.com/logos/17451.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/247.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/9103.png)
![](https://cdn.adscientificindex.com/logos/9103.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/4924.jpg)
![](https://cdn.adscientificindex.com/logos/4924.jpg)
![](/assets/images/world-icon.png)
![Sudan](/flags/sd.png)
![](https://cdn.adscientificindex.com/logos/11191.png)
![](https://cdn.adscientificindex.com/logos/11191.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/12139.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5663.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)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/11553.png)
![](https://cdn.adscientificindex.com/logos/11553.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/4911.jpg)
![](https://cdn.adscientificindex.com/logos/4911.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5774.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5759.png)
![](https://cdn.adscientificindex.com/logos/5759.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/16254.png)
![](https://cdn.adscientificindex.com/logos/16254.png)
![](/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)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/411.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/253.jpg)
![](https://cdn.adscientificindex.com/logos/253.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/12139.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)