- Capital: Djibouti
- Population: 1.152.944
- Surface: 23.200 km2
- Devise: le franc de Djibouti
- Religion: Majorité Islam
- Appartient à: ACP, Ligue arabe, IGAD, FMI, ONU, UA
- Capital: Nouakchott
- Population: 5.022.441
- Surface: 1.030.700 km2
- Devise: l’ouguiya (1 EUR=41,1500 MRO)
- Religion: Majorité Islam
- Appartient à: ACP, UMA, Ligue arabe, FMI, ONU, UA