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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![Canada](/flags/ca.png)
![Gavin Hilson](https://cdn.adscientificindex.com/pictures/db/642742.jpg)
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![United Kingdom](/flags/gb.png)
![Joseph Amankwah Amoah](https://cdn.adscientificindex.com/pictures/c2/1231755.jpg)
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![South Africa](/flags/za.png)
![Patrick Ngulube](https://cdn.adscientificindex.com/pictures/94/88662.jpg)
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Stella M Nkomo](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/11255.jpg)
![United Kingdom](/flags/gb.png)
![Ken Kamoche](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![South Africa](/flags/za.png)
![Bettine Van Vuuren](https://cdn.adscientificindex.com/pictures/b8/105053.jpg)
![](https://cdn.adscientificindex.com/logos/5076.png)
![Ghana](/flags/gh.png)
![Nathaniel Boso](https://cdn.adscientificindex.com/pictures/6c/95614.jpg)
![](https://cdn.adscientificindex.com/logos/11088.jpg)
![United States](/flags/us.png)
![Melissa Tully](https://cdn.adscientificindex.com/pictures/20/1408496.jpg)
![](https://cdn.adscientificindex.com/logos/11133.jpg)
![United Kingdom](/flags/gb.png)
![Diane Holt](https://cdn.adscientificindex.com/pictures/cf/1412450.jpg)
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![South Africa](/flags/za.png)
![Mpho Ngoepe](https://cdn.adscientificindex.com/pictures/9d/95140.jpg)
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![South Africa](/flags/za.png)
![Omwoyo Bosire Onyancha](https://cdn.adscientificindex.com/pictures/21/96576.jpg)
![](https://cdn.adscientificindex.com/logos/975.png)
![United Kingdom](/flags/gb.png)
![Kevin Ibeh](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Vuyisile Msila](https://cdn.adscientificindex.com/pictures/12/91908.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Pantaleo D Rwelamila](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/10870.jpg)
![United Kingdom](/flags/gb.png)
![Bruce Hearn](https://cdn.adscientificindex.com/pictures/45/1346450.jpg)
![](https://cdn.adscientificindex.com/logos/1537.png)
![Hong Kong](/flags/hk.png)
![Lawal Marafa](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/5485.png)
![Kenya](/flags/ke.png)
![Alex Douglas](https://cdn.adscientificindex.com/pictures/5f/103418.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Marcus Ambe](https://cdn.adscientificindex.com/pictures/76/93258.jpg)
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![South Africa](/flags/za.png)
![Leslie Brown](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/11369.jpg)
![United Kingdom](/flags/gb.png)
![Pauline J Dibben](https://cdn.adscientificindex.com/pictures/fb/1235675.jpg)
![](https://cdn.adscientificindex.com/logos/11517.jpg)
![Japan](/flags/jp.png)
![Takahiro Morio](https://cdn.adscientificindex.com/pictures/e8/425949.jpg)
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![South Africa](/flags/za.png)
![Victor J. Pitsoe](https://cdn.adscientificindex.com/pictures/46/91816.jpg)
![](https://cdn.adscientificindex.com/logos/11598.png)
![Zimbabwe](/flags/zw.png)
![Gilbert Pwiti](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/5485.png)
![Kenya](/flags/ke.png)
![Vanessa GB Gowreesunkar](https://cdn.adscientificindex.com/pictures/92/91778.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Johanna Adolphina Badenhorst-Weiss](https://cdn.adscientificindex.com/pictures/11/100206.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Munyaradzi Marufu](https://cdn.adscientificindex.com/pictures/13/95257.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![MK Luhandjula](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Nadia Ferreira](https://cdn.adscientificindex.com/pictures/61/95434.jpg)
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![South Africa](/flags/za.png)
![Rj (Nico) Botha](https://cdn.adscientificindex.com/pictures/69/89489.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Hester Nienaber](https://cdn.adscientificindex.com/pictures/32/99087.jpg)
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![South Africa](/flags/za.png)
![Mike Marin](https://cdn.adscientificindex.com/pictures/c1/93891.jpg)
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![United States](/flags/us.png)
![Louis A Picard](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Barney Erasmus](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Les Labuschagne](https://cdn.adscientificindex.com/pictures/e8/101450.jpg)
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![South Africa](/flags/za.png)
![Kevin Mearns](https://cdn.adscientificindex.com/pictures/57/100954.jpg)
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![United Kingdom](/flags/gb.png)
![David Christopher Littlewood](https://cdn.adscientificindex.com/pictures/ab/1063170.jpg)
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![South Africa](/flags/za.png)
![Anton Grobler](https://cdn.adscientificindex.com/pictures/bf/104170.jpg)
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![South Africa](/flags/za.png)
![Athenia B. Sibindi](https://cdn.adscientificindex.com/pictures/73/4468131.jpg)
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![South Africa](/flags/za.png)
![Megan J Cole](https://cdn.adscientificindex.com/pictures/18/93646.jpg)
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![Netherlands](/flags/nl.png)
![Johan Post](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Faizel Ismail](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Henry Bikwibili Tantoh](https://cdn.adscientificindex.com/pictures/1f/4468141.jpg)
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![South Africa](/flags/za.png)
![W. Maartin Strauss](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Charmaine Du Plessis](https://cdn.adscientificindex.com/pictures/df/105532.jpg)
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![South Africa](/flags/za.png)
![George Angelopulo](https://cdn.adscientificindex.com/pictures/8e/98112.jpg)
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![South Africa](/flags/za.png)
![Watson Ladzani](https://cdn.adscientificindex.com/pictures/79/92075.jpg)
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![South Africa](/flags/za.png)
![JS Wessels](https://cdn.adscientificindex.com/pictures/0e/100523.jpg)
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![South Africa](/flags/za.png)
![Khathutshelo Mercy Makhitha](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Anja Du Plessis](https://cdn.adscientificindex.com/pictures/18/4468140.jpg)
![](https://cdn.adscientificindex.com/logos/11054.jpg)
![United Kingdom](/flags/gb.png)
![Ewa Karwowski](https://cdn.adscientificindex.com/pictures/1e/1057049.jpg)
![](https://cdn.adscientificindex.com/logos/11263.jpg)
![United States](/flags/us.png)
![James O Olufowote](https://cdn.adscientificindex.com/pictures/3a/1465622.jpg)
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![South Africa](/flags/za.png)
![Goonasagree Naidoo](https://cdn.adscientificindex.com/pictures/4c/98363.jpg)
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![South Africa](/flags/za.png)
![Rachel Barker](https://cdn.adscientificindex.com/pictures/ac/89073.jpg)
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![South Africa](/flags/za.png)
![Lucas Mapito Hlongwane](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Bethuel Sibongiseni Ngcamu](https://cdn.adscientificindex.com/pictures/05/4644129.jpg)
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![South Africa](/flags/za.png)
![James Lappeman](https://cdn.adscientificindex.com/pictures/fa/4636999.jpg)
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![South Africa](/flags/za.png)
![Mutajwaa Rwelamila](https://cdn.adscientificindex.com/pictures/d4/95312.jpg)
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![South Africa](/flags/za.png)
![Munyaradzi Chitakira](https://cdn.adscientificindex.com/pictures/f5/4468142.jpg)
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![South Africa](/flags/za.png)
![Pumela Msweli](https://cdn.adscientificindex.com/pictures/71/89004.jpg)
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![South Africa](/flags/za.png)
![Pieter Grobler](https://cdn.adscientificindex.com/pictures/35/88939.jpg)
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![South Africa](/flags/za.png)
![Willem Fouche](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Jan Maluleka](https://cdn.adscientificindex.com/pictures/46/4468110.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Unity Chipfupa](https://cdn.adscientificindex.com/pictures/10/4644362.jpg)
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![South Africa](/flags/za.png)
![Masilu Daniel Masekameni|Associate Professor](https://cdn.adscientificindex.com/pictures/60/5836763.jpg)
![](https://cdn.adscientificindex.com/logos/13311.jpg)
![China](/flags/cn.png)
![Sophia Kalantzakos](https://cdn.adscientificindex.com/pictures/51/4560411.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Vimbi Petrus Mahlangu](https://cdn.adscientificindex.com/pictures/71/4468115.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Janetta Roos](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Aden-Paul Flotman](https://cdn.adscientificindex.com/pictures/fb/4468166.jpg)
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![South Africa](/flags/za.png)
![Yvonne Joubert](https://cdn.adscientificindex.com/pictures/4b/4468133.jpg)
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![South Africa](/flags/za.png)
![Evelyn Chiloane](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Rabelani Dagada](https://cdn.adscientificindex.com/pictures/0b/5836737.jpg)
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Marianne Lala Camerer](https://cdn.adscientificindex.com/pictures/5d/93315.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Ilsa Basson](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![JC Pauw|Koos Pauw](https://cdn.adscientificindex.com/pictures/86/99994.jpg)
![](https://cdn.adscientificindex.com/logos/1249.png)
![Kenya](/flags/ke.png)
![Joseph Franklin Ntale](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/10952.jpg)
![United States](/flags/us.png)
![Kareem El Damanhoury](https://cdn.adscientificindex.com/pictures/be/4890378.jpg)
![](https://cdn.adscientificindex.com/logos/5076.png)
![Ghana](/flags/gh.png)
![Dominic Essuman](https://cdn.adscientificindex.com/pictures/76/4589903.jpg)
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![South Africa](/flags/za.png)
![Peet Venter](https://cdn.adscientificindex.com/pictures/c9/88773.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Petrus H Potgieter](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/10789.png)
![Nigeria](/flags/ng.png)
![Chidiebere Victor Adim.](https://cdn.adscientificindex.com/pictures/c3/5798494.jpg)
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![South Africa](/flags/za.png)
![Jan-Albert Wessels](https://cdn.adscientificindex.com/pictures/95/4638460.jpg)
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![South Africa](/flags/za.png)
![Carol Percival](https://cdn.adscientificindex.com/pictures/2f/105350.jpg)
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![South Africa](/flags/za.png)
![Godfrey Marozva](https://cdn.adscientificindex.com/pictures/f0/4468146.jpg)
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![South Africa](/flags/za.png)
![Malebajoa Anicia Maoela](https://cdn.adscientificindex.com/pictures/d1/4644361.jpg)
![](https://cdn.adscientificindex.com/logos/10789.png)
![Nigeria](/flags/ng.png)
![Durairaj Rajan](https://cdn.adscientificindex.com/pictures/bd/5797042.jpg)
![](https://cdn.adscientificindex.com/logos/10970.png)
![Kenya](/flags/ke.png)
![Jane Kerubo](https://cdn.adscientificindex.com/pictures/57/99944.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Rohith Ramphal](https://cdn.adscientificindex.com/pictures/fb/5836764.jpg)
![](https://cdn.adscientificindex.com/logos/5485.png)
![Kenya](/flags/ke.png)
![Saruni Siminta](https://cdn.adscientificindex.com/pictures/58/5010627.jpg)
![](https://cdn.adscientificindex.com/logos/11019.jpg)
![Ghana](/flags/gh.png)
![Lloyd G. Adu Amoah](https://cdn.adscientificindex.com/pictures/ba/4516092.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Ashley Mutezo](https://cdn.adscientificindex.com/pictures/82/4468144.jpg)
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![South Africa](/flags/za.png)
![Prof Magdalena Petronella (Nellie) Swart, Cmp](https://cdn.adscientificindex.com/pictures/ca/5725086.jpg)
![](https://cdn.adscientificindex.com/logos/5485.png)
![Kenya](/flags/ke.png)
![Wash Okeyo](https://cdn.adscientificindex.com/pictures/5b/5010628.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Alexander Maune](https://cdn.adscientificindex.com/pictures/14/4637888.jpg)
![](https://cdn.adscientificindex.com/logos/11218.png)
![Namibia](/flags/na.png)
![Africa Makasi](/user/assets/images/profile/no-profile-photo.png)
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![South Africa](/flags/za.png)
![Josiline Phiri Chigwada](https://cdn.adscientificindex.com/pictures/b8/4452550.jpg)
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![South Africa](/flags/za.png)
![Debbie Lombard](https://cdn.adscientificindex.com/pictures/d9/4468124.jpg)
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![South Africa](/flags/za.png)
![Mtholeni Ngcobo](https://cdn.adscientificindex.com/pictures/e0/5836799.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Sharon Rudansky-Kloppers](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Muchaiteyi Togo](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/14071.png)
![Kenya](/flags/ke.png)
![Braan Ombati](/user/assets/images/profile/no-profile-photo.png)
![](/assets/images/world-icon.png)
![Canada](/flags/ca.png)
![](https://cdn.adscientificindex.com/logos/11508.jpg)
![](https://cdn.adscientificindex.com/logos/11508.jpg)
![](/assets/images/world-icon.png)
![United Kingdom](/flags/gb.png)
![](https://cdn.adscientificindex.com/logos/11113.jpg)
![](https://cdn.adscientificindex.com/logos/11113.jpg)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![](/assets/images/world-icon.png)
![United Kingdom](/flags/gb.png)
![](https://cdn.adscientificindex.com/logos/11255.jpg)
![](https://cdn.adscientificindex.com/logos/11255.jpg)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![](/assets/images/world-icon.png)
![Ghana](/flags/gh.png)
![](https://cdn.adscientificindex.com/logos/5076.png)
![](https://cdn.adscientificindex.com/logos/5076.png)
![](/assets/images/world-icon.png)
![United States](/flags/us.png)
![](https://cdn.adscientificindex.com/logos/11088.jpg)
![](https://cdn.adscientificindex.com/logos/11088.jpg)
![](/assets/images/world-icon.png)
![United Kingdom](/flags/gb.png)
![](https://cdn.adscientificindex.com/logos/11133.jpg)
![](https://cdn.adscientificindex.com/logos/11133.jpg)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
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![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](/assets/images/world-icon.png)
![United Kingdom](/flags/gb.png)
![](https://cdn.adscientificindex.com/logos/975.png)
![](https://cdn.adscientificindex.com/logos/975.png)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](/assets/images/world-icon.png)
![United Kingdom](/flags/gb.png)
![](https://cdn.adscientificindex.com/logos/10870.jpg)
![](https://cdn.adscientificindex.com/logos/10870.jpg)
![](/assets/images/world-icon.png)
![Hong Kong](/flags/hk.png)
![](https://cdn.adscientificindex.com/logos/1537.png)
![](https://cdn.adscientificindex.com/logos/1537.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/5485.png)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](/assets/images/world-icon.png)
![United Kingdom](/flags/gb.png)
![](https://cdn.adscientificindex.com/logos/11369.jpg)
![](https://cdn.adscientificindex.com/logos/11369.jpg)
![](/assets/images/world-icon.png)
![Japan](/flags/jp.png)
![](https://cdn.adscientificindex.com/logos/11517.jpg)
![](https://cdn.adscientificindex.com/logos/11517.jpg)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![](/assets/images/world-icon.png)
![Zimbabwe](/flags/zw.png)
![](https://cdn.adscientificindex.com/logos/11598.png)
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![South Africa](/flags/za.png)
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