- Capital: Nouakchott
- Population: 4,614,974
- Surface Area: 1,030,700 km2
- Currency: Ouguiya (1 EUR=42.8600 MRO)
- Religion: Mostly Islam
- Belongs to: ACP, AMU, Arab League, IMF, UN, AU
- Capital: Sanaa
- Population: 33,322,000
- Surface Area: 527,970 km2
- Currency: Yemeni rials
- Religion: Mostly Islam
- Belongs to: Arab League, IMF, UN