- Capital: Moroni
- Population: 921.000
- Surface: 1.861 km2
- Devise: le franc comorien
- Religion: Majorité Islam
- Appartient à: ACP, Ligue arabe, FMI, ONU, UA
- Capital: Riyad
- Population: 32.175.000
- Surface: 2.149.690 km2
- Devise: le riyal saoudien (1 EUR=4,1614 SAR)
- Religion: Majorité Islam
- Appartient à: ACD, Ligue arabe, G20, CCG, FMI, ONU, OPEP