| U.K. | Awarded the Degree of Doctor of Letters, honoris causa, by the University of East Anglia, U.K., in 1992. |
| U.S.A. | Awarded the Degree of Doctor of Humanities by the Oberlin College, U.S.A. in 1993. |
| CANADA | Awarded the degree of Doctor of Law, honoris causa, by the University of Toronto, Canada in 1995. |
| U.S.A. | Awarded the degree of Doctor of Law by the Haverford College, U.S.A. in May, 1996. |
| U.K. | Awarded the degree of Doctor of Law by the Warwick University, U.K. in July, 1996. |
| U.S.A. | Awarded the degree of Doctor of Public Service by the Saint Xaviers' University, U.S.A. in May, 1997. |
| U.S.A. | Awarded the degree of Doctor of Civil Law, Honoris Causa by the University of the South, U.S.A. in January, 1998. |
| BELGIUM | Awarded the degree of Doctor Honoris Cause by the Katholieke Universiteit Leuven, Belgium in February, 1998. |
| U.S.A. | Awarded the degree of Doctor of Social Science, honoris causa by the Yale University, U.S.A. in May, 1998. |
| U.S.A. | Awarded the degree of Doctor of Humane Letters, honoris causa by the Brigham Young University, U.S.A. in August, 1998. |
| AUSTRALIA | Awarded the honorary degree of Doctor of Science in Economics by the University of Sydney, Australia in November, 1998. |
| AUSTRALIA | Awarded the honorary degree of Doctor of the University by the Queensland University of Technology, Brisbane, Australia in February, 2000. |
| ITALY | Awarded the honorary degree of Doctor in Economics and Business (Laurea Honoris Causa) by the University of Turin, Turin, Italy in October, 2000. |
| U.S.A. | Awarded the degree of Humane Letters, Honoris Causa by the Colgate University, Hamilton, U.S.A. in May 2002. |
| BELGIUM | Awarded the degree of Doctor Honoris Causa by the University Catholique of Louvain in February, 2003. |
| ARGENTINA | Awarded the degree of Doctor Honoris Causa by the Universitad Nacional De Cuyo in April, 2003. |
| SOUTH AFRICA | Awarded the degree of Doctor of Economics, honoris Causa by the University of Natal in December 2003. |
| INDIA | Awarded the Degree of Doctor of Science, Honoris Causa by the Bidhan Chandra Krishi Viswayvidyalaya, India in February, 2004. |
| THAILAND | Awarded the degree of Doctor of Technology, Honoris Causa by the Asian Institute of Technology in August, 2004. |
| ITALY | Awarded the degree of Doctor in Business Economics, Honoris Causa by the University of Florence in September, 2004. |
| ITALY | Awarded the honorary degree of Doctor in Pedagogyst by the University of Bologna in October, 2004. |
| SPAIN | Awarded the degree of Doctor Honoris Causa by the Universidad Complutense, Madrid in October, 2004. |
| SOUTH AFRICA | Awarded the Honorary Doctorate Degree in Economics by the University of Venda, South Africa in May, 2006. |
| LEBANON | Awarded the Doctor of Humane Letters by the American University of Beirut, Lebanon in June, 2006. |
| SPAIN | Awarded the Doctor of Honoris Causa by the University of Alicante in Valencia, Spain in June, 2006. |
| SPAIN | Awarded the Doctor of Honoris Causa by the University of Valencia, in Valencia, Spain in June, 2006. |
| SPAIN | Awarded the Doctor of Honoris Causa by the University of Jaume I in Valencia, Spain in June, 2006. |
| BANGLADESH | Awarded the honorary degree of Doctor of Laws by the University of Dhaka, Bangladesh in February, 2007. |
| JAPAN | Awarded the honorary degree of Doctor of Humanities by the Rikkyo University, Tokyo, Japan in July, 2007. |
USA JAPAN TURKEY | Awarded Honorary Doctors of Law Degree by University of Pennsylvania,Philadelphia in May 2009. Awarded Honorary Degree from Hokkaido University, Japan in September 2009. Awarded Honorary Degree of Doctorate in Istanbul Commerce University, Istanbul in October 2009. |