* Africa:
* Benin
* Burkina Faso
* Burundi
* Cameroon
* Central African Republic
* Chad
* Comoros
* Côte d'Ivoire
* Democratic Republic of the Congo
* Djibouti
* Gabon
* Guinea
* Madagascar
* Mali
* Niger
* Rwanda
* Senegal
* Togo
*
* Europe:
* Belgium (along with Dutch and German)
* France
* Luxembourg (along with German)
* Monaco
* Switzerland (along with German, Italian, and Romansh)
* North America:
* Canada (along with English)
* Other:
* Haiti
Important Note:
* This list only includes countries where French is an official language and spoken by a majority of the population. There are many other countries where French is spoken as a second language or by a minority population.
* Language usage is complex and can vary within a country. For example, while French is an official language in Canada, it is primarily spoken in Quebec.
I hope this information is helpful!