- Capital: Nouakchott
- Population: 4,614,974
- Surface Area: 1,030,700 km2
- Currency: Ouguiya (1 EUR=44.1200 MRO)
- Religion: Mostly Islam
- Belongs to: ACP, AMU, Arab League, IMF, UN, AU
- Capital: Moroni
- Population: 921,000
- Surface Area: 1,861 km2
- Currency: Comorian francs
- Religion: Mostly Islam
- Belongs to: ACP, Arab League, IMF, UN, AU