- Capital: Monaco
- Population: 38.964
- Surface: 2 km2
- Devise: l’euro
- Religion: Majorité Christianisme
- Appartient à: CoE, ONU, OSCE
- Capital: Sanaa
- Population: 31.648.000
- Surface: 527.970 km2
- Devise: le riyal yéménite
- Religion: Majorité Islam
- Appartient à: Ligue arabe, FMI, ONU