Who, in your estimation, would you say is Nigeria's worst past president between 1999 and 2023?

1. Olusegun Obasanjo: 1999-2007
2. Umar Musa Yar' Adua: 2007-2010
3. Goodluck Jonathan: 2010-2015
4. Mohammadu Buhari: 2015-2023

Your opinion counts, let's go