Africa:
* Benin: French is the official language, alongside Fon and Yoruba.
* Burkina Faso: French is the official language.
* Burundi: French is one of the official languages alongside Kirundi.
* Cameroon: French is one of the official languages alongside English.
* Central African Republic: French is the official language.
* Chad: French is the official language.
* Comoros: French is one of the official languages alongside Arabic and Shikomor.
* Côte d'Ivoire: French is the official language.
* Democratic Republic of the Congo: French is one of the official languages alongside Lingala, Kikongo, Swahili, and Tshiluba.
* Djibouti: French is one of the official languages alongside Arabic and Somali.
* Gabon: French is the official language.
* Guinea: French is the official language.
* Guinea-Bissau: French is one of the official languages alongside Portuguese.
* Madagascar: French is one of the official languages alongside Malagasy.
* Mali: French is the official language.
* Mauritania: French is one of the official languages alongside Arabic.
* Niger: French is the official language.
* Republic of the Congo: French is the official language.
* Rwanda: French is one of the official languages alongside Kinyarwanda and English.
* Senegal: French is the official language.
* Seychelles: French is one of the official languages alongside English and Creole.
* Togo: French is the official language.
Americas:
* Canada: French is one of the official languages alongside English.
* Haiti: French is the official language, though Creole is widely spoken.
Europe:
* Belgium: French is one of the official languages alongside Dutch and German.
* France: French is the official language.
* Luxembourg: French is one of the official languages alongside Luxembourgish and German.
* Monaco: French is the official language.
* Switzerland: French is one of the official languages alongside German, Italian, and Romansh.
Oceania:
* Vanuatu: French is one of the official languages alongside Bislama, English, and local languages.
Other:
* International Organizations: French is one of the official languages of the United Nations, the European Union, and other international organizations.
Important Notes:
* Variations in Usage: While French is official in these countries, the degree to which it's spoken varies greatly. In some, it's the primary language of government and education, while in others it's more of a formal language used in certain contexts.
* Regional Languages: Many of these countries also have numerous regional languages and dialects spoken alongside French.
* Historical Factors: French is often the legacy of colonial rule in many of these countries.