- Capital: Sanaa
- Population: 33,322,000
- Surface Area: 527,970 km2
- Currency: Yemeni rials
- Religion: Mostly Islam
- Belongs to: Arab League, IMF, UN
- Capital: Doha
- Population: 2,831,000
- Surface Area: 11,490 km2
- Currency: Riyals (1 EUR=3.9549 QAR)
- Religion: Mostly Islam
- Belongs to: ACD, Arab League, GCC, IMF, UN, OPEC