International Islamic University, to pay tribute to renowned world leaders, has conferred honorary degrees on former President of South Africa Nelson Mandela, former Malaysian Prime Ministers Dr. Mahathir Bin Mohamad, Dato Seri Abdullah Haji Ahmad Badawi, Prince Hassan Bin Talal of Jordan and Ekmeleddin Ihsanoglu of Turkey and in 9th IIUI convocation an honorary degree was conferred upon King Abdullah Bin Abdul Aziz Al-Saud of Saudi Arabia.