- Capital: Juba
- Population: 11,381,377
- Surface Area: 633,907 km2
- Currency: South Sudanese pounds
- Belongs to: IGAD, IMF, UN, AU
- Capital: Sanaa
- Population: 30,490,639
- Surface Area: 527,970 km2
- Currency: Yemeni rials
- Religion: Mostly Islam
- Belongs to: Arab League, IMF, UN