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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![Indonesia](/flags/id.png)
![Sri Haryanto|Haryanto sh, Haryanto alfandi](https://cdn.adscientificindex.com/pictures/7d/4653203.jpg)
![](https://cdn.adscientificindex.com/logos/6387.png)
![Nigeria](/flags/ng.png)
![Kingsley Chinaza Nwosu](https://cdn.adscientificindex.com/pictures/cb/5796595.jpg)
![](https://cdn.adscientificindex.com/logos/2585.png)
![Nigeria](/flags/ng.png)
![Shehu Yahaya|Shehu Yahaya Gafai](https://cdn.adscientificindex.com/pictures/1b/5797269.jpg)
![](https://cdn.adscientificindex.com/logos/11593.png)
![Zambia](/flags/zm.png)
![Bestern Kaani](https://cdn.adscientificindex.com/pictures/46/5839536.jpg)
![](https://cdn.adscientificindex.com/logos/30968.png)
![Bahrain](/flags/bh.png)
![Nina Abdul Razzak](https://cdn.adscientificindex.com/pictures/96/4526887.jpg)
![](https://cdn.adscientificindex.com/logos/27775.jpg)
![Norway](/flags/no.png)
![Irina B Erdvik](https://cdn.adscientificindex.com/pictures/15/5556476.jpg)
![](https://cdn.adscientificindex.com/logos/6427.png)
![South Africa](/flags/za.png)
![Mariette Koen](https://cdn.adscientificindex.com/pictures/c5/5833345.jpg)
![](https://cdn.adscientificindex.com/logos/84.png)
![Ethiopia](/flags/et.png)
![Belay Hagos Hailu](https://cdn.adscientificindex.com/pictures/cc/5733998.jpg)
![](https://cdn.adscientificindex.com/logos/11128.png)
![Nigeria](/flags/ng.png)
![Ngozi Osarenren](https://cdn.adscientificindex.com/pictures/37/5799079.jpg)
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Prem Heeralal](https://cdn.adscientificindex.com/pictures/44/5836772.jpg)
![](https://cdn.adscientificindex.com/logos/2603.png)
![Pakistan](/flags/pk.png)
![Kamal Haider](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/7348.png)
![Kenya](/flags/ke.png)
![Hezborn Mn Kodero](https://cdn.adscientificindex.com/pictures/6e/5831693.jpg)
![](https://cdn.adscientificindex.com/logos/5076.png)
![Ghana](/flags/gh.png)
![Mavis Osei](https://cdn.adscientificindex.com/pictures/1c/4589683.jpg)
![](https://cdn.adscientificindex.com/logos/10905.png)
![Ghana](/flags/gh.png)
![Paul Dela Ahiatrogah](https://cdn.adscientificindex.com/pictures/63/5828199.jpg)
![](https://cdn.adscientificindex.com/logos/214.jpg)
![Japan](/flags/jp.png)
![Yuki Harada|Yuuki Harada, 原田勇希](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/10883.png)
![Nigeria](/flags/ng.png)
![Emilia Oyira](https://cdn.adscientificindex.com/pictures/d8/5799434.jpg)
![](https://cdn.adscientificindex.com/logos/6427.png)
![South Africa](/flags/za.png)
![Thabo Makhalemele](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/2283.png)
![Switzerland](/flags/ch.png)
![Christian M Thurn](https://cdn.adscientificindex.com/pictures/d3/5660621.jpg)
![](https://cdn.adscientificindex.com/logos/10266.png)
![Indonesia](/flags/id.png)
![Isfauzi Hadi Nugroho](https://cdn.adscientificindex.com/pictures/35/5335431.jpg)
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![Tanzania](/flags/tz.png)
![Edna Kyaruzi](https://cdn.adscientificindex.com/pictures/7a/5736725.jpg)
![](https://cdn.adscientificindex.com/logos/11995.jpg)
![United States](/flags/us.png)
![Kim M Kelly](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/2308.png)
![United Arab Emirates](/flags/ae.png)
![Michael Melkonian](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/3648.png)
![Nigeria](/flags/ng.png)
![Gg Agulanna](https://cdn.adscientificindex.com/pictures/0a/5799899.jpg)
![](https://cdn.adscientificindex.com/logos/10883.png)
![Nigeria](/flags/ng.png)
![Achi N. Bekomson](https://cdn.adscientificindex.com/pictures/7d/5804284.jpg)
![](https://cdn.adscientificindex.com/logos/3205.png)
![Greece](/flags/gr.png)
![Sara El Khoury](https://cdn.adscientificindex.com/pictures/40/5598416.jpg)
![](https://cdn.adscientificindex.com/logos/13233.jpg)
![United States](/flags/us.png)
![Joseph F Mirabelli](https://cdn.adscientificindex.com/pictures/d6/5537701.jpg)
![](https://cdn.adscientificindex.com/logos/28190.png)
![Vietnam](/flags/vn.png)
![Đinh Thị Kim Thoa](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/11225.png)
![Australia](/flags/au.png)
![Robin P Nagy](https://cdn.adscientificindex.com/pictures/70/5300484.jpg)
![](https://cdn.adscientificindex.com/logos/4407.png)
![Uganda](/flags/ug.png)
![Afolasade Airat Sulaiman](https://cdn.adscientificindex.com/pictures/35/5838496.jpg)
![](https://cdn.adscientificindex.com/logos/5108.jpg)
![Japan](/flags/jp.png)
![Mari Fukuda|福田麻莉](https://cdn.adscientificindex.com/pictures/fa/5788374.jpg)
![](https://cdn.adscientificindex.com/logos/10785.png)
![Nigeria](/flags/ng.png)
![Hosea Abalaka Apeh](https://cdn.adscientificindex.com/pictures/da/5817077.jpg)
![](https://cdn.adscientificindex.com/logos/4839.png)
![Kenya](/flags/ke.png)
![Richard Wambua](https://cdn.adscientificindex.com/pictures/4a/5830505.jpg)
![](https://cdn.adscientificindex.com/logos/11230.jpg)
![Nigeria](/flags/ng.png)
![Ariyo Samson Oluwatimilehin](https://cdn.adscientificindex.com/pictures/1c/5818589.jpg)
![](https://cdn.adscientificindex.com/logos/3016.png)
![Zimbabwe](/flags/zw.png)
![Munyaradzi Chidarikire|Chidarikire Munyaradzi](https://cdn.adscientificindex.com/pictures/b3/5839821.jpg)
![](https://cdn.adscientificindex.com/logos/11105.jpg)
![United States](/flags/us.png)
![Imogen Rose Herrick](https://cdn.adscientificindex.com/pictures/0c/5334473.jpg)
![](https://cdn.adscientificindex.com/logos/318.png)
![Egypt](/flags/eg.png)
![Eman Ghallab](https://cdn.adscientificindex.com/pictures/e3/5777418.jpg)
![](https://cdn.adscientificindex.com/logos/14780.png)
![Uganda](/flags/ug.png)
![Abdul Rahim](https://cdn.adscientificindex.com/pictures/0c/5838728.jpg)
![](https://cdn.adscientificindex.com/logos/6427.png)
![South Africa](/flags/za.png)
![Isabel Payne-Van Staden](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/11553.png)
![Iraq](/flags/iq.png)
![Noor Mohammed Kadhim](https://cdn.adscientificindex.com/pictures/1a/5884880.jpg)
![](https://cdn.adscientificindex.com/logos/10905.png)
![Ghana](/flags/gh.png)
![Amos Addy](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/10981.png)
![Ghana](/flags/gh.png)
![Joshua-Luther Ndoye Upoalkpajor](https://cdn.adscientificindex.com/pictures/9a/5828704.jpg)
![](https://cdn.adscientificindex.com/logos/1722.png)
![United States](/flags/us.png)
![Juan Miguel Arias](https://cdn.adscientificindex.com/pictures/05/5540019.jpg)
![](https://cdn.adscientificindex.com/logos/370.jpg)
![Nigeria](/flags/ng.png)
![Rita Chigozie Osuala|Rita Osuala, R. C. Osuala, Osuala Rita Chigozie](https://cdn.adscientificindex.com/pictures/31/5818304.jpg)
![](https://cdn.adscientificindex.com/logos/10922.png)
![Bangladesh](/flags/bd.png)
![Sushmita Dutta](https://cdn.adscientificindex.com/pictures/69/5905624.jpg)
![](https://cdn.adscientificindex.com/logos/11129.jpg)
![Pakistan](/flags/pk.png)
![Imran Khalid Bhutta](https://cdn.adscientificindex.com/pictures/13/5745405.jpg)
![](https://cdn.adscientificindex.com/logos/6267.jpg)
![Cyprus](/flags/cy.png)
![Christiana Koundourou](https://cdn.adscientificindex.com/pictures/9d/5660839.jpg)
![](https://cdn.adscientificindex.com/logos/12422.png)
![Nigeria](/flags/ng.png)
![Olufunmilayo Adedayo](https://cdn.adscientificindex.com/pictures/a6/5808300.jpg)
![](https://cdn.adscientificindex.com/logos/11079.png)
![Nigeria](/flags/ng.png)
![Omoshalewa Lasbat Badamas](https://cdn.adscientificindex.com/pictures/ec/5809475.jpg)
![](https://cdn.adscientificindex.com/logos/3525.png)
![China](/flags/cn.png)
![Aashiq](https://cdn.adscientificindex.com/pictures/56/5098902.jpg)
![](https://cdn.adscientificindex.com/logos/12535.png)
![Thailand](/flags/th.png)
![Lester Naces Udang](https://cdn.adscientificindex.com/pictures/6f/5102460.jpg)
![](https://cdn.adscientificindex.com/logos/1960.png)
![Thailand](/flags/th.png)
![Liwei Wei](https://cdn.adscientificindex.com/pictures/0e/5103134.jpg)
![](https://cdn.adscientificindex.com/logos/5829.png)
![Kenya](/flags/ke.png)
![Shadrack Ogoma (Ph.D.)](https://cdn.adscientificindex.com/pictures/56/5831472.jpg)
![](https://cdn.adscientificindex.com/logos/840.jpg)
![China](/flags/cn.png)
![Maria Saeed](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/4736.png)
![Nigeria](/flags/ng.png)
![Isah Aliyu Abdullahi](https://cdn.adscientificindex.com/pictures/df/5817536.jpg)
![](https://cdn.adscientificindex.com/logos/6227.png)
![Mongolia](/flags/mn.png)
![Delgerjav Munkhnasan](https://cdn.adscientificindex.com/pictures/7b/4568825.jpg)
![](https://cdn.adscientificindex.com/logos/302.png)
![Albania](/flags/al.png)
![Elisabeta Kafia](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/4205.png)
![Pakistan](/flags/pk.png)
![Humaira Akram Assistant Professor](https://cdn.adscientificindex.com/pictures/b0/5745324.jpg)
![](https://cdn.adscientificindex.com/logos/12296.png)
![Myanmar](/flags/mm.png)
![Khin Nyunt Nyunt Saw](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/11483.jpg)
![Pakistan](/flags/pk.png)
![Muhammad Aslam](https://cdn.adscientificindex.com/pictures/58/5746473.jpg)
![](https://cdn.adscientificindex.com/logos/6387.png)
![Nigeria](/flags/ng.png)
![Oyeyemi Ahmed Ademola](https://cdn.adscientificindex.com/pictures/18/5811847.jpg)
![](https://cdn.adscientificindex.com/logos/6177.png)
![Russia](/flags/ru.png)
![Alexey Stekhov](https://cdn.adscientificindex.com/pictures/26/5751606.jpg)
![](https://cdn.adscientificindex.com/logos/14280.png)
![Mexico](/flags/mx.png)
![Irene Sánchez San José](/pictures/9d/5335052.jpg)
![](https://cdn.adscientificindex.com/logos/18329.jpg)
![Nigeria](/flags/ng.png)
![Lydia Amonia Wilcox](https://cdn.adscientificindex.com/pictures/7e/5811489.jpg)
![](https://cdn.adscientificindex.com/logos/13935.png)
![Japan](/flags/jp.png)
![Siaw Eng Tan](https://cdn.adscientificindex.com/pictures/d1/5789661.jpg)
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![Tanzania](/flags/tz.png)
![Sweetbert Anselimus](https://cdn.adscientificindex.com/pictures/a2/5735945.jpg)
![](https://cdn.adscientificindex.com/logos/12951.png)
![Esvatini](/flags/sz.png)
![Mkhumbulo Ndlovu](https://cdn.adscientificindex.com/pictures/04/5849315.jpg)
![](https://cdn.adscientificindex.com/logos/11282.jpg)
![Pakistan](/flags/pk.png)
![Jamil Ahmad Khan](https://cdn.adscientificindex.com/pictures/17/5745541.jpg)
![](https://cdn.adscientificindex.com/logos/10898.jpg)
![United States](/flags/us.png)
![Jonna R. La Joy](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/843.jpg)
![China](/flags/cn.png)
![Allan Muganga](https://cdn.adscientificindex.com/pictures/fc/5873562.jpg)
![](https://cdn.adscientificindex.com/logos/11692.png)
![India](/flags/in.png)
![Amitkumar R Mali](https://cdn.adscientificindex.com/pictures/4c/5637234.jpg)
![](https://cdn.adscientificindex.com/logos/11045.png)
![Pakistan](/flags/pk.png)
![Muhammad Saeed Khan](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/370.jpg)
![Nigeria](/flags/ng.png)
![Anokam Eugenia](https://cdn.adscientificindex.com/pictures/f7/5812872.jpg)
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![South Africa](/flags/za.png)
![Nettie Nobukosi Ndou-Chikwena](https://cdn.adscientificindex.com/pictures/26/5835703.jpg)
![](https://cdn.adscientificindex.com/logos/3525.png)
![China](/flags/cn.png)
![Helmi Suardi](https://cdn.adscientificindex.com/pictures/02/5875968.jpg)
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![Tanzania](/flags/tz.png)
![Vicent Jalang'O Cosmas](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/6387.png)
![Nigeria](/flags/ng.png)
![Nwanneka O. Christian-Ike](https://cdn.adscientificindex.com/pictures/4b/5813955.jpg)
![](https://cdn.adscientificindex.com/logos/12296.png)
![Myanmar](/flags/mm.png)
![Wint Wah Wah Tun](https://cdn.adscientificindex.com/pictures/6f/5738750.jpg)
![](https://cdn.adscientificindex.com/logos/5152.png)
![Pakistan](/flags/pk.png)
![Hafiza Saadia Sharif](/user/assets/images/profile/no-profile-photo.png)
![](https://cdn.adscientificindex.com/logos/10960.png)
![Tanzania](/flags/tz.png)
![Veronica Gerasius Kamanzi](https://cdn.adscientificindex.com/pictures/ce/5735914.jpg)
![](https://cdn.adscientificindex.com/logos/6415.png)
![India](/flags/in.png)
![Pusparghya Sutradhar](/pictures/ee/5498430.jpg)
![](/assets/images/world-icon.png)
![Indonesia](/flags/id.png)
![](https://cdn.adscientificindex.com/logos/17110.jpg)
![](https://cdn.adscientificindex.com/logos/17110.jpg)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/6387.png)
![](https://cdn.adscientificindex.com/logos/6387.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/2585.png)
![](/assets/images/world-icon.png)
![Zambia](/flags/zm.png)
![](https://cdn.adscientificindex.com/logos/11593.png)
![](https://cdn.adscientificindex.com/logos/11593.png)
![](/assets/images/world-icon.png)
![Bahrain](/flags/bh.png)
![](https://cdn.adscientificindex.com/logos/30968.png)
![](https://cdn.adscientificindex.com/logos/30968.png)
![](/assets/images/world-icon.png)
![Norway](/flags/no.png)
![](https://cdn.adscientificindex.com/logos/27775.jpg)
![](https://cdn.adscientificindex.com/logos/27775.jpg)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/6427.png)
![](https://cdn.adscientificindex.com/logos/6427.png)
![](/assets/images/world-icon.png)
![Ethiopia](/flags/et.png)
![](https://cdn.adscientificindex.com/logos/84.png)
![](https://cdn.adscientificindex.com/logos/84.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/11128.png)
![](https://cdn.adscientificindex.com/logos/11128.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)
![Pakistan](/flags/pk.png)
![](https://cdn.adscientificindex.com/logos/2603.png)
![](https://cdn.adscientificindex.com/logos/2603.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/7348.png)
![](https://cdn.adscientificindex.com/logos/7348.png)
![](/assets/images/world-icon.png)
![Ghana](/flags/gh.png)
![](https://cdn.adscientificindex.com/logos/5076.png)
![](/assets/images/world-icon.png)
![Ghana](/flags/gh.png)
![](https://cdn.adscientificindex.com/logos/10905.png)
![](https://cdn.adscientificindex.com/logos/10905.png)
![](/assets/images/world-icon.png)
![Japan](/flags/jp.png)
![](https://cdn.adscientificindex.com/logos/214.jpg)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/10883.png)
![](https://cdn.adscientificindex.com/logos/10883.png)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/6427.png)
![](/assets/images/world-icon.png)
![Switzerland](/flags/ch.png)
![](https://cdn.adscientificindex.com/logos/2283.png)
![](https://cdn.adscientificindex.com/logos/2283.png)
![](/assets/images/world-icon.png)
![Indonesia](/flags/id.png)
![](https://cdn.adscientificindex.com/logos/10266.png)
![](/assets/images/world-icon.png)
![Tanzania](/flags/tz.png)
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![](/assets/images/world-icon.png)
![United States](/flags/us.png)
![](https://cdn.adscientificindex.com/logos/11995.jpg)
![](https://cdn.adscientificindex.com/logos/11995.jpg)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/2308.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/3648.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/10883.png)
![](https://cdn.adscientificindex.com/logos/10883.png)
![](/assets/images/world-icon.png)
![Greece](/flags/gr.png)
![](https://cdn.adscientificindex.com/logos/3205.png)
![](https://cdn.adscientificindex.com/logos/3205.png)
![](/assets/images/world-icon.png)
![United States](/flags/us.png)
![](https://cdn.adscientificindex.com/logos/13233.jpg)
![](/assets/images/world-icon.png)
![Vietnam](/flags/vn.png)
![](https://cdn.adscientificindex.com/logos/28190.png)
![](/assets/images/world-icon.png)
![Australia](/flags/au.png)
![](https://cdn.adscientificindex.com/logos/11225.png)
![](https://cdn.adscientificindex.com/logos/11225.png)
![](/assets/images/world-icon.png)
![Uganda](/flags/ug.png)
![](https://cdn.adscientificindex.com/logos/4407.png)
![](/assets/images/world-icon.png)
![Japan](/flags/jp.png)
![](https://cdn.adscientificindex.com/logos/5108.jpg)
![](https://cdn.adscientificindex.com/logos/5108.jpg)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/10785.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/4839.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/11230.jpg)
![](https://cdn.adscientificindex.com/logos/11230.jpg)
![](/assets/images/world-icon.png)
![Zimbabwe](/flags/zw.png)
![](https://cdn.adscientificindex.com/logos/3016.png)
![](https://cdn.adscientificindex.com/logos/3016.png)
![](/assets/images/world-icon.png)
![United States](/flags/us.png)
![](https://cdn.adscientificindex.com/logos/11105.jpg)
![](https://cdn.adscientificindex.com/logos/11105.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/318.png)
![](/assets/images/world-icon.png)
![Uganda](/flags/ug.png)
![](https://cdn.adscientificindex.com/logos/14780.png)
![](https://cdn.adscientificindex.com/logos/14780.png)
![](/assets/images/world-icon.png)
![South Africa](/flags/za.png)
![](https://cdn.adscientificindex.com/logos/6427.png)
![](https://cdn.adscientificindex.com/logos/6427.png)
![](/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)
![Ghana](/flags/gh.png)
![](https://cdn.adscientificindex.com/logos/10905.png)
![](https://cdn.adscientificindex.com/logos/10905.png)
![](/assets/images/world-icon.png)
![Ghana](/flags/gh.png)
![](https://cdn.adscientificindex.com/logos/10981.png)
![](https://cdn.adscientificindex.com/logos/10981.png)
![](/assets/images/world-icon.png)
![United States](/flags/us.png)
![](https://cdn.adscientificindex.com/logos/1722.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/370.jpg)
![](/assets/images/world-icon.png)
![Bangladesh](/flags/bd.png)
![](https://cdn.adscientificindex.com/logos/10922.png)
![](https://cdn.adscientificindex.com/logos/10922.png)
![](/assets/images/world-icon.png)
![Pakistan](/flags/pk.png)
![](https://cdn.adscientificindex.com/logos/11129.jpg)
![](https://cdn.adscientificindex.com/logos/11129.jpg)
![](/assets/images/world-icon.png)
![Cyprus](/flags/cy.png)
![](https://cdn.adscientificindex.com/logos/6267.jpg)
![](https://cdn.adscientificindex.com/logos/6267.jpg)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/12422.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/11079.png)
![](https://cdn.adscientificindex.com/logos/11079.png)
![](/assets/images/world-icon.png)
![China](/flags/cn.png)
![](https://cdn.adscientificindex.com/logos/3525.png)
![](/assets/images/world-icon.png)
![Thailand](/flags/th.png)
![](https://cdn.adscientificindex.com/logos/12535.png)
![](https://cdn.adscientificindex.com/logos/12535.png)
![](/assets/images/world-icon.png)
![Thailand](/flags/th.png)
![](https://cdn.adscientificindex.com/logos/1960.png)
![](https://cdn.adscientificindex.com/logos/1960.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/5829.png)
![](/assets/images/world-icon.png)
![China](/flags/cn.png)
![](https://cdn.adscientificindex.com/logos/840.jpg)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/4736.png)
![](https://cdn.adscientificindex.com/logos/4736.png)
![](/assets/images/world-icon.png)
![Mongolia](/flags/mn.png)
![](https://cdn.adscientificindex.com/logos/6227.png)
![](https://cdn.adscientificindex.com/logos/6227.png)
![](/assets/images/world-icon.png)
![Albania](/flags/al.png)
![](https://cdn.adscientificindex.com/logos/302.png)
![](https://cdn.adscientificindex.com/logos/302.png)
![](/assets/images/world-icon.png)
![Pakistan](/flags/pk.png)
![](https://cdn.adscientificindex.com/logos/4205.png)
![](https://cdn.adscientificindex.com/logos/4205.png)
![](/assets/images/world-icon.png)
![Myanmar](/flags/mm.png)
![](https://cdn.adscientificindex.com/logos/12296.png)
![](/assets/images/world-icon.png)
![Pakistan](/flags/pk.png)
![](https://cdn.adscientificindex.com/logos/11483.jpg)
![](https://cdn.adscientificindex.com/logos/11483.jpg)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/6387.png)
![](/assets/images/world-icon.png)
![Russia](/flags/ru.png)
![](https://cdn.adscientificindex.com/logos/6177.png)
![](https://cdn.adscientificindex.com/logos/6177.png)
![](/assets/images/world-icon.png)
![Mexico](/flags/mx.png)
![](https://cdn.adscientificindex.com/logos/14280.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/18329.jpg)
![](https://cdn.adscientificindex.com/logos/18329.jpg)
![](/assets/images/world-icon.png)
![Japan](/flags/jp.png)
![](https://cdn.adscientificindex.com/logos/13935.png)
![](https://cdn.adscientificindex.com/logos/13935.png)
![](/assets/images/world-icon.png)
![Tanzania](/flags/tz.png)
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![](/assets/images/world-icon.png)
![Esvatini](/flags/sz.png)
![](https://cdn.adscientificindex.com/logos/12951.png)
![](https://cdn.adscientificindex.com/logos/12951.png)
![](/assets/images/world-icon.png)
![Pakistan](/flags/pk.png)
![](https://cdn.adscientificindex.com/logos/11282.jpg)
![](/assets/images/world-icon.png)
![United States](/flags/us.png)
![](https://cdn.adscientificindex.com/logos/10898.jpg)
![](https://cdn.adscientificindex.com/logos/10898.jpg)
![](/assets/images/world-icon.png)
![China](/flags/cn.png)
![](https://cdn.adscientificindex.com/logos/843.jpg)
![](https://cdn.adscientificindex.com/logos/843.jpg)
![](/assets/images/world-icon.png)
![India](/flags/in.png)
![](https://cdn.adscientificindex.com/logos/11692.png)
![](https://cdn.adscientificindex.com/logos/11692.png)
![](/assets/images/world-icon.png)
![Pakistan](/flags/pk.png)
![](https://cdn.adscientificindex.com/logos/11045.png)
![](https://cdn.adscientificindex.com/logos/11045.png)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/370.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)
![China](/flags/cn.png)
![](https://cdn.adscientificindex.com/logos/3525.png)
![](/assets/images/world-icon.png)
![Tanzania](/flags/tz.png)
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![](/assets/images/world-icon.png)
![Nigeria](/flags/ng.png)
![](https://cdn.adscientificindex.com/logos/6387.png)
![](https://cdn.adscientificindex.com/logos/6387.png)
![](/assets/images/world-icon.png)
![Myanmar](/flags/mm.png)
![](https://cdn.adscientificindex.com/logos/12296.png)
![](https://cdn.adscientificindex.com/logos/12296.png)
![](/assets/images/world-icon.png)
![Pakistan](/flags/pk.png)
![](https://cdn.adscientificindex.com/logos/5152.png)
![](https://cdn.adscientificindex.com/logos/5152.png)
![](/assets/images/world-icon.png)
![Tanzania](/flags/tz.png)
![](https://cdn.adscientificindex.com/logos/10960.png)
![](https://cdn.adscientificindex.com/logos/10960.png)
![](/assets/images/world-icon.png)
![India](/flags/in.png)
![](https://cdn.adscientificindex.com/logos/6415.png)
![](https://cdn.adscientificindex.com/logos/6415.png)