- Capital: Damascus
- Population: 21,324,367
- Surface Area: 185,180 km2
- Currency: Syrian pounds
- Religion: Mostly Islam
- Belongs to: Arab League, IMF, UN
- Capital: Sanaa
- Population: 33,322,000
- Surface Area: 527,970 km2
- Currency: Yemeni rials
- Religion: Mostly Islam
- Belongs to: Arab League, IMF, UN