- Capital: Sanaa
- Population: 28.498.687
- Surface: 527.970 km2
- Devise: le riyal yéménite
- Appartient à: Ligue arabe, FMI, ONU
- Capital: Bagdad
- Population: 38.433.600
- Surface: 435.052 km2
- Devise: le dinar iraquien
- Religion: Majorité Islam
- Appartient à: Ligue arabe, FMI, ONU, OPEP