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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![Italy](/flags/it.png)
![Giuseppe Lippi](https://cdn.adscientificindex.com/pictures/42/1807083.jpg)
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![United States](/flags/us.png)
![David Kleiner](https://cdn.adscientificindex.com/pictures/54/4394017.jpg)
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![Italy](/flags/it.png)
![Giampaolo Merlini](/user/assets/images/profile/no-profile-photo.png)
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![Switzerland](/flags/ch.png)
![Hans Lutz](/user/assets/images/profile/no-profile-photo.png)
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![Italy](/flags/it.png)
![Gian Luca Salvagno](https://cdn.adscientificindex.com/pictures/4d/1805263.jpg)
![](https://cdn.adscientificindex.com/logos/14635.png)
![Spain](/flags/es.png)
![Grases F](https://cdn.adscientificindex.com/pictures/46/4335561.jpg)
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![Italy](/flags/it.png)
![Raimondo De Cristofaro](/user/assets/images/profile/no-profile-photo.png)
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![Italy](/flags/it.png)
![Gabriel Lima Oliveira](https://cdn.adscientificindex.com/pictures/8a/1804354.jpg)
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![Brazil](/flags/br.png)
![Nicola Conran](https://cdn.adscientificindex.com/pictures/41/878714.jpg)
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![Türkiye](/flags/tr.png)
![Abdurrahman Coşkun](https://cdn.adscientificindex.com/pictures/4b/190620.jpg)
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![Türkiye](/flags/tr.png)
![Ali Rıza Şişman](https://cdn.adscientificindex.com/pictures/3a/60092.jpg)
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![Greece](/flags/gr.png)
![Anna Challa](/user/assets/images/profile/no-profile-photo.png)
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![Türkiye](/flags/tr.png)
![İlhan Yaylım](https://cdn.adscientificindex.com/pictures/bf/211097.jpg)
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![United States](/flags/us.png)
![Ishan Paranjpe](/user/assets/images/profile/no-profile-photo.png)
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![İbrahim Turan](https://cdn.adscientificindex.com/pictures/66/210981.jpg)
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![Türkiye](/flags/tr.png)
![Hikmet Hakan Aydın](https://cdn.adscientificindex.com/pictures/b4/210467.jpg)
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![Türkiye](/flags/tr.png)
![AbdÜlkerim Bedir](https://cdn.adscientificindex.com/pictures/4d/190659.jpg)
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![Berrak Güven](https://cdn.adscientificindex.com/pictures/75/206404.jpg)
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![Greece](/flags/gr.png)
![Anastasia Pyriochou](/user/assets/images/profile/no-profile-photo.png)
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![Jutarop Phetcharaburanin](https://cdn.adscientificindex.com/pictures/12/567735.jpg)
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![South Africa](/flags/za.png)
![Charlette Tiloke](/user/assets/images/profile/no-profile-photo.png)
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![Bosnia and Herzegovina](/flags/ba.png)
![Emina Kiseljaković](https://cdn.adscientificindex.com/pictures/89/1388731.jpg)
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![Norway](/flags/no.png)
![Sonia Distante](https://cdn.adscientificindex.com/pictures/8a/4962951.jpg)
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![Kenya](/flags/ke.png)
![Gervason Moriasi](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![Egypt](/flags/eg.png)
![Sara Morsy](https://cdn.adscientificindex.com/pictures/d8/4373841.jpg)
![](https://cdn.adscientificindex.com/logos/4749.png)
![Türkiye](/flags/tr.png)
![Tahir Kahraman](https://cdn.adscientificindex.com/pictures/a2/86575.jpg)
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![Canada](/flags/ca.png)
![Barbara Lelj Garolla](/user/assets/images/profile/no-profile-photo.png)
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![Saudi Arabia](/flags/sa.png)
![Marghoob Hasan](https://cdn.adscientificindex.com/pictures/c0/408046.jpg)
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![Kenya](/flags/ke.png)
![Nathan G. Kiboi](/user/assets/images/profile/no-profile-photo.png)
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![Türkiye](/flags/tr.png)
![Hadi Karimkhani](https://cdn.adscientificindex.com/pictures/b2/5148316.jpg)
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![Nigeria](/flags/ng.png)
![Opurum H. C](https://cdn.adscientificindex.com/pictures/21/4495797.jpg)
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![Bahrain](/flags/bh.png)
![Anas Ahmed Zeidan](https://cdn.adscientificindex.com/pictures/ee/4893229.jpg)
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![Poland](/flags/pl.png)
![Badr Qasem](https://cdn.adscientificindex.com/pictures/63/5148317.jpg)
![](https://cdn.adscientificindex.com/logos/368.png)
![Türkiye](/flags/tr.png)
![Zeliha Doğan](https://cdn.adscientificindex.com/pictures/31/5073684.jpg)
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![Indonesia](/flags/id.png)
![Yohana](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/5958.jpg)
![Iraq](/flags/iq.png)
![Raghda Shams Akram](https://cdn.adscientificindex.com/pictures/af/5077057.jpg)
![](https://cdn.adscientificindex.com/logos/15188.png)
![India](/flags/in.png)
![Somnath T.Salgar](https://cdn.adscientificindex.com/pictures/4e/5009809.jpg)
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![Türkiye](/flags/tr.png)
![Abdulkadir Tekin](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/4206.png)
![Malaysia](/flags/my.png)
![May Khin Soe](/pictures/b5/5101134.jpg)
![](https://cdn.adscientificindex.com/logos/6234.png)
![Oman](/flags/om.png)
![Nasser Salim Al Nazwani](/pictures/0f/335129.jpg)
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![Nigeria](/flags/ng.png)
![Kingsley Ugwu](/pictures/6a/4594803.jpg)
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![Italy](/flags/it.png)
![](https://cdn.adscientificindex.com/logos/10007.png)
![](https://cdn.adscientificindex.com/logos/10007.png)
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![United States](/flags/us.png)
![](https://cdn.adscientificindex.com/logos/28363.png)
![](https://cdn.adscientificindex.com/logos/28363.png)
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![Italy](/flags/it.png)
![](https://cdn.adscientificindex.com/logos/9993.png)
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![](/assets/images/world-icon.png)
![Switzerland](/flags/ch.png)
![](https://cdn.adscientificindex.com/logos/10446.png)
![](https://cdn.adscientificindex.com/logos/10446.png)
![](/assets/images/world-icon.png)
![Italy](/flags/it.png)
![](https://cdn.adscientificindex.com/logos/10007.png)
![](https://cdn.adscientificindex.com/logos/10007.png)
![](/assets/images/world-icon.png)
![Spain](/flags/es.png)
![](https://cdn.adscientificindex.com/logos/14635.png)
![](https://cdn.adscientificindex.com/logos/14635.png)
![](/assets/images/world-icon.png)
![Italy](/flags/it.png)
![](https://cdn.adscientificindex.com/logos/9960.png)
![](https://cdn.adscientificindex.com/logos/9960.png)
![](/assets/images/world-icon.png)
![Italy](/flags/it.png)
![](https://cdn.adscientificindex.com/logos/10007.png)
![](https://cdn.adscientificindex.com/logos/10007.png)
![](/assets/images/world-icon.png)
![Brazil](/flags/br.png)
![](https://cdn.adscientificindex.com/logos/9826.png)
![](https://cdn.adscientificindex.com/logos/9826.png)
![](/assets/images/world-icon.png)
![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/72.png)
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![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/1997.png)
![](https://cdn.adscientificindex.com/logos/1997.png)
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![Greece](/flags/gr.png)
![](https://cdn.adscientificindex.com/logos/11087.jpg)
![](https://cdn.adscientificindex.com/logos/11087.jpg)
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![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/4444.png)
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![United States](/flags/us.png)
![](https://cdn.adscientificindex.com/logos/10888.jpg)
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![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/7454.png)
![](https://cdn.adscientificindex.com/logos/7454.png)
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![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/2274.png)
![](https://cdn.adscientificindex.com/logos/2274.png)
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![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/6584.png)
![](https://cdn.adscientificindex.com/logos/6584.png)
![](/assets/images/world-icon.png)
![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/12185.png)
![](https://cdn.adscientificindex.com/logos/12185.png)
![](/assets/images/world-icon.png)
![Greece](/flags/gr.png)
![](https://cdn.adscientificindex.com/logos/11277.jpg)
![](https://cdn.adscientificindex.com/logos/11277.jpg)
![](/assets/images/world-icon.png)
![Thailand](/flags/th.png)
![](https://cdn.adscientificindex.com/logos/4892.jpg)
![](https://cdn.adscientificindex.com/logos/4892.jpg)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11472.jpg)
![](https://cdn.adscientificindex.com/logos/11472.jpg)
![](/assets/images/world-icon.png)
![Bosnia and Herzegovina](/flags/ba.png)
![](https://cdn.adscientificindex.com/logos/11344.jpg)
![](https://cdn.adscientificindex.com/logos/11344.jpg)
![](/assets/images/world-icon.png)
![Norway](/flags/no.png)
![](https://cdn.adscientificindex.com/logos/11268.jpg)
![](https://cdn.adscientificindex.com/logos/11268.jpg)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/5906.png)
![](https://cdn.adscientificindex.com/logos/5906.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)
![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/4749.png)
![](https://cdn.adscientificindex.com/logos/4749.png)
![](/assets/images/world-icon.png)
![Canada](/flags/ca.png)
![](https://cdn.adscientificindex.com/logos/10873.jpg)
![](https://cdn.adscientificindex.com/logos/10873.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/7098.png)
![](https://cdn.adscientificindex.com/logos/7098.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/8258.jpg)
![](https://cdn.adscientificindex.com/logos/8258.jpg)
![](/assets/images/world-icon.png)
![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/4434.png)
![](https://cdn.adscientificindex.com/logos/4434.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/11295.png)
![](https://cdn.adscientificindex.com/logos/11295.png)
![](/assets/images/world-icon.png)
![Bahrain](/flags/bh.png)
![](https://cdn.adscientificindex.com/logos/24260.jpg)
![](https://cdn.adscientificindex.com/logos/24260.jpg)
![](/assets/images/world-icon.png)
![Poland](/flags/pl.png)
![](https://cdn.adscientificindex.com/logos/13846.png)
![](https://cdn.adscientificindex.com/logos/13846.png)
![](/assets/images/world-icon.png)
![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/368.png)
![](https://cdn.adscientificindex.com/logos/368.png)
![](/assets/images/world-icon.png)
![Indonesia](/flags/id.png)
![](https://cdn.adscientificindex.com/logos/10364.png)
![](https://cdn.adscientificindex.com/logos/10364.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/5958.jpg)
![](https://cdn.adscientificindex.com/logos/5958.jpg)
![](/assets/images/world-icon.png)
![India](/flags/in.png)
![](https://cdn.adscientificindex.com/logos/15188.png)
![](https://cdn.adscientificindex.com/logos/15188.png)
![](/assets/images/world-icon.png)
![Türkiye](/flags/tr.png)
![](https://cdn.adscientificindex.com/logos/12185.png)
![](https://cdn.adscientificindex.com/logos/12185.png)
![](/assets/images/world-icon.png)
![Malaysia](/flags/my.png)
![](https://cdn.adscientificindex.com/logos/4206.png)
![](https://cdn.adscientificindex.com/logos/4206.png)
![](/assets/images/world-icon.png)
![Oman](/flags/om.png)
![](https://cdn.adscientificindex.com/logos/6234.png)
![](https://cdn.adscientificindex.com/logos/6234.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/27299.jpg)
![](https://cdn.adscientificindex.com/logos/27299.jpg)