Top 10 Weakest Currencies in Africa in 2026

Guinea has Africa’s weakest currency in 2026: it takes 8,797 Guinean francs to buy one US dollar, per October 2026 exchange rates.Key FactsGuinea has Africa’s weakest currency in 2026. It takes 8,797 Guinean francs to buy one US dollar.South Sudan’s pound is the second weakest at 5,863 pounds per dollar, followed by Madagascar’s ariary at 4,471.