President John Evans Atta Mills has been rated 'A' alongside four other African leaders for their outstanding leadership style.President Mills scored 64.6 in The Mo Ibrahim Index, ranking 7th on the list, received 5.35 in the Democracy Index, obtained 8.00 in the Press Freedom Index, while scoring 4.1 in the Corruption Index to obtain a total score of 72.56, giving him the final grade of 'A'.An African Presidents Index, which sures the performance and leadership styles of African, also rated high, the leadership styles of Mr Navinchandra Ramgoolam, the Prime Minister of Mauritius; President Pedro Verona Rodriques Pires of Cape Verde, Presi­dent Seretse Ian Khama of Botswana and Pres­ident Hifikepunye Lucas Rohamba of Namib­ia.On the flip side of the index, the leaders of Zimbabwe, Somalia, Cameroon, The Sudan, Guinea, Chad, Equatorial Guinea and Eritrea received appalling performance ratings ranging between 0 and 30.According to the index conducted by the East African Magazine, the leaders' grades were derived from how they placed in five respected international indices of governance and a new political index developed by the magazine.According to the methodology used in the study, the indices were weighted and then combined to produce a score out of 100. The best governors placed close to 100 while the worst leaders scored close to 0 in the study which heavily rewarded consistency in leadership style.The report explained that an African leader who received high scores in one or two areas but low scores in the rest of the areas considered in the study ended with a dismal overall grade.A consistent score across the board, on the other hand, was needed to place any African leader in the best grade. According to the study, leaders were assigned letter grades based on their score from 0 to 100, derived from six indices.Source: Daily Graphic