If you are looking to learn more about International Affairs and global issues, below are some of the leading Institutions from around the world. 

Aspen Institute Germany https://www.aspeninstitute.de/

Centre for European Policy Studies https://www.ceps.eu/

Centre for International Governance Innovation https://www.cigionline.org/

Center on Asia and Globalisation:: Lee Kuan Yew School of Public Policy: National University of Singapore

Euro-Mediterranean Economists Association https://euromed-economists.org/

European Centre for Development Policy Management https://ecdpm.org/programmes/african-institutions-regional-dynamics/

German Council on Foreign Relations/ Deutsche Gesellschaft für Auswärtige Politik https://dgap.org/en

ISPI (Istituto per gli Studi di Politica Internazionale) https://www.ispionline.it/it/ricerca/africa

The Council on Foreign Relations https://www.cfr.org/programs/africa-program

The Estonia International Centre for Defence and Security (ICDS) https://icds.ee/en/

The Institute for Foreign Affairs and Trade in Budapest, Hungary https://kki.hu/

The South African Institute of International Affairs (SAIIA) https://saiia.org.za/

Muhammad Yunus Center https://www.muhammadyunus.org/

Mexican Council for International Affairs (COMEXI) http://www.consejomexicano.org/index.php

Russian Academy of Sciences/Institute for African Studies https://www.inafran.ru/en/

World Economy/Kiel Institute Africa Initiative https://www.ifw-kiel.de/institute/research-centers-initiatives/kielinstituteafricainitiative/