| ART | Alliance for the Renaissance of Chad
 | 2012–2015 | 70.2% |  |  | 
      
      
        | FAR | Front of Action Forces for the Republic
 | 2003–2011 | 6.0% |  |  | 
      
      
        | MPS | Patriotic Salvation Union
 | 1993–2011 | 72.8% |  |  | 
      
      
        | RDP | Rally for Democracy and Progress
 | 1993–2011 | 6.6% |  |  | 
      
      
        | UNDR | National Union for Development and Renewal
 | 1998–2015 | 12.0% |  |  | 
      
      
        | UNIR | National Union for Independence and Revolution
 | 1991–1992 | 100.0% |  |  | 
      
      
        | URD | Union for Renewal and Democracy
 | 1998–2002 | 23.2% |  |  |