- Capital: Nouakchott
- Population: 4,614,974
- Surface Area: 1,030,700 km2
- Currency: Ouguiya (1 EUR=42.2100 MRO)
- Religion: Mostly Islam
- Belongs to: ACP, AMU, Arab League, IMF, UN, AU
- Capital: Tripoli
- Population: 6,735,277
- Surface Area: 1,759,540 km2
- Currency: Dinars
- Religion: Mostly Islam
- Belongs to: AMU, Arab League, IMF, UN, OPEC, AU