Countries where French is an official language (29):
* Africa: Benin, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Comoros, Congo (Brazzaville), Congo (Kinshasa), Côte d'Ivoire, Djibouti, Gabon, Guinea, Madagascar, Mali, Mauritania, Niger, Rwanda, Senegal, Seychelles, Togo
* Americas: Canada (Quebec and other provinces), Haiti
* Europe: Belgium (Wallonia and Brussels), France, Luxembourg, Monaco, Switzerland (part of the country)
* Oceania: Vanuatu
Countries where French is widely spoken but not official:
* Africa: Algeria, Morocco, Tunisia
* Europe: Andorra, Italy (Aosta Valley), Spain (Catalonia), United Kingdom (Channel Islands)
Important points to consider:
* Fluency: The percentage of the population fluent in French varies widely between countries.
* Dialects: French has many regional dialects, making communication challenging across different regions.
* Other languages: In many of these countries, French is alongside other official languages, sometimes even with lower usage than the others.
So, while there are 29 countries with French as an official language, the true number of countries where French is a dominant language is much smaller.