- Capital: Koweït
- Population: 4.328.553
- Surface: 17.820 km2
- Devise: le dinar koweïtien (1 EUR=0,3321 KWD)
- Religion: Majorité Islam
- Appartient à: ACD, Ligue arabe, CCG, FMI, ONU, OPEP
- Capital: Riyad
- Population: 35.340.680
- Surface: 2.149.690 km2
- Devise: le riyal saoudien (1 EUR=4,0793 SAR)
- Religion: Majorité Islam
- Appartient à: ACD, Ligue arabe, G20, CCG, FMI, ONU, OPEP