- Capital: Sanaa
- Population: 29,825,968
- Surface Area: 527,970 km2
- Currency: Yemeni rials
- Religion: Mostly Islam
- Belongs to: Arab League, IMF, UN
- Capital: Khartoum
- Population: 43,849,269
- Surface Area: 1,854,105 km2
- Currency: Sudanese pounds
- Religion: Mostly Islam
- Belongs to: ACP, Arab League, IGAD, IMF, UN, AU