- Capital: Mascate
- Population: 4.974.986
- Surface: 309.500 km2
- Devise: le rial d’Oman (1 EUR=0,4634 OMR)
- Religion: Majorité Islam
- Appartient à: ACD, Ligue arabe, CCG, FMI, ONU
- Capital: Djouba
- Population: 11.062.113
- Surface: 644.330 km2
- Devise: la livre sud-soudanaise
- Appartient à: IGAD, FMI, ONU, UA