The IAS has signed Memorandum of Understanding with each of the World Academy of Sciences (TWAS), Pakistan Academy of Sciences (PAS), The National Academy of Sciences of the Republic of Kazakhstan, the Korean Academy of Science and Technology (KAST), and the Turkish Academy of Sciences (TÜBA). These agreements lay the foundation for long-term co-operative relationships between IAS and these academies.
Contacts with the US National Academy of Sciences have been ongoing for over fifteen years, resulting in the participation of top US NAS representatives in some IAS activities. Moreover, the US NAS has regularly nominated its Foreign Secretary to participate in IAS conferences.
The IAS has been actively supporting the Palestine Academy of Science and Technology (PALAST) through facilitating the participation of PALAST officials in the various scientific activities in the Middle East, as well as providing help and advice to this sister academy on a regular basis.
The Bangladesh Academy of Sciences played an important part in organizing the 19th IAS conference which was held in Dhaka, Bangladesh, and a number of the BAS Fellows took part in the conference.
The Turkish Academy of Sciences (TÜBA) helped in organizing the 21st IAS conference which was held in Konya, 2017, and the IAS signed Memoranda of Understanding with TÜBA during the conference.
In 2021, the IAS is convening its 23rd Conference in cooperation with the Hassan II Academy for Science and Technology (Morocco) in Rabat, Morocco.