- 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
- Capital: Manama
- Population: 1.577.000
- Surface: 790 km2
- Devise: le dinar de Bahreïn (1 EUR=0,4266 BHD)
- Religion: Majorité Islam
- Appartient à: ACD, Ligue arabe, CCG, FMI, ONU