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Mauritania is a sovereign country in Western Africa with coastal access and land borders with Algeria, Mali, Senegal, and others. Nouakchott is the capital; key languages include Arabic; the listed currency is Mauritanian ouguiya (MRU); population is about 5.3M.
Algeria is a sovereign country in Northern Africa with coastal access and land borders with Tunisia, Libya, Niger, and others. Algiers is the capital; key languages include Arabic; the listed currency is Algerian dinar (DZD); population is about 47.4M.
Mali is a sovereign country in Western Africa bordered by Algeria, Burkina Faso, Guinea, and others. Bamako is the capital; key languages include French; the listed currency is West African CFA franc (XOF); population is about 25.2M.
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Algeria48MMali25.9MMauritania5.5MGuess bigger
MauritaniaAlgeriaAlgeria leads this comparison with 48M people.