ANSWER: Only 1
Explanation:
- The second summit was held at the Ethiopian capital Addis Ababa.
- The third summit is held in New Delhi, India from 26-30 October 2015.
- It is the largest-ever turnout of African leaders in India, at least 41 leaders-including South African president Jacob Zuma, Egiptian president Abdel Fattah el-Sisi, Zimbabwe president Robert Mugabe and Nigerian President Muhammadu Buhari have confirmed their presence.