- Capital: Nouakchott
- Population: 4,649,660
- Surface Area: 1,030,700 km2
- Currency: Ouguiya (1 EUR=38.3500 MRO)
- Religion: Mostly Islam
- Belongs to: ACP, AMU, Arab League, IMF, UN, AU
- Capital: Algiers
- Population: 43,851,043
- Surface Area: 2,381,741 km2
- Currency: Algerian dinars (1 EUR=153.6586 DZD)
- Religion: Mostly Islam
- Belongs to: AMU, Arab League, IMF, UN, OPEC, AU