- Capital: Yaren
- Population: 12.511
- Surface: 20 km2
- Devise: le dollar australien
- Religion: Majorité Christianisme
- Appartient à: ACP, ONU, FIP
- Capital: Nouakchott
- Population: 4.614.974
- Surface: 1.030.700 km2
- Devise: l’ouguiya (1 EUR=42,5700 MRO)
- Religion: Majorité Islam
- Appartient à: ACP, UMA, Ligue arabe, FMI, ONU, UA