West Africa:
* Benin: French is the official language.
* Burkina Faso: French is the official language.
* Côte d'Ivoire: French is the official language.
* Guinea: French is the official language.
* Mali: French is the official language.
* Niger: French is the official language.
* Senegal: French is the official language.
* Togo: French is the official language.
Central Africa:
* Central African Republic: French is the official language.
* Chad: French is the official language.
* Cameroon: French is one of the two official languages (along with English).
* Democratic Republic of the Congo: French is one of the four official languages (along with English, Lingala, and Swahili).
* Republic of the Congo: French is the official language.
East Africa:
* Djibouti: French is one of the official languages (along with Arabic).
* Rwanda: French is one of the official languages (along with Kinyarwanda and English).
* Burundi: French is one of the official languages (along with Kirundi and English).
Southern Africa:
* Madagascar: French is one of the official languages (along with Malagasy).
Other:
* Comoros: French is one of the official languages (along with Arabic and Comorian).
Important Notes:
* While these countries have French as an official language, other languages are also spoken, including local languages and English in some cases.
* The level of French proficiency can vary significantly across these countries.
* French is often used in government, education, and business in these countries.