8) Peter Mutharika (Age: 74)
Peter Mutharika has been the President of Malawi since 31 May 2014. Born in the year 1940, he is an expert in international law, international economic law and international comparative constitutional law.
7) Ellen Johnson Sirleaf (Age: 76)
Ellen Johnson Sirleaf is the President of Liberia. She was born on 29 October 1938. She won the 2005 presidential election and assumed the office on 18 January 2006. She was honored with the 2011 Nobel Peace Prize for her non violent struggle for the safety of women and for women’s rights to full participation on peace-building work.