Official Languages:
1. France: The most populous country where French is spoken.
2. Canada: French is one of two official languages, alongside English.
3. Belgium: French is one of three official languages, alongside Dutch and German.
4. Switzerland: French is one of four official languages, alongside German, Italian, and Romansh.
5. Luxembourg: French is one of three official languages, alongside Luxembourgish and German.
6. Monaco: French is the official language.
7. Haiti: French is the official language, although Creole is more widely spoken.
8. Senegal: French is the official language.
9. Côte d'Ivoire: French is the official language.
10. Cameroon: French is one of two official languages, alongside English.
11. Central African Republic: French is the official language.
12. Chad: French is the official language.
13. Congo, Democratic Republic of the: French is the official language.
14. Congo, Republic of the: French is the official language.
15. Gabon: French is the official language.
16. Madagascar: French is one of two official languages, alongside Malagasy.
17. Mali: French is the official language.
18. Niger: French is the official language.
19. Burkina Faso: French is the official language.
20. Benin: French is the official language.
Other Notable Countries:
* Algeria: French is widely spoken, although Arabic is the official language.
* Morocco: French is a widely used language in education, government, and business, despite Arabic being the official language.
* Tunisia: French is widely spoken, particularly in urban areas.
* Vietnam: French is a legacy language from colonial times, with some influence in education and certain sectors.
This list reflects countries where French has a significant presence. The level of fluency and usage varies across these nations, with many using French as a lingua franca alongside other official languages.