There are 31 countries in the world where French is an official language, but the language is commonly spoken, albeit unofficially, in many more countries and regions.   The following is a list of  countries where French is spoken.

Countries Where French Is An Official Language

1. Belgium
2. Benin
3. Burkina Faso
4. Burundi
5. Cameroon
6. Canada
7. Central African Republic
8. Chad
9. Comoros
10. Republic of the Congo
11. Democratic Republic of the Congo
12. Côte d'Ivoire
13. Djibouti
14. Equatorial Guinea
15. France
16. Gabon
17. Guinea
18. Haiti
19. Lebanon
20. Luxembourg
21. Madagascar
22. Mali
23. Monaco
24. New Caledonia
25. Niger
26. Rwanda
27. Senegal
28. Seychelles
29. Switzerland
30. Togo
31. Vanuatu

Countries Where French Is Common But Unofficial

1. Algeria
2. Mauritania
3. Morocco
4. Tunisia

Regions Where French Is Common

1. Louisiana (US)
2. Pondicherry (India)
3. French Polynesia
4. New Caledonia
5. Mayotte
6. Aosta Valley
7. Jersey (UK)
8. Guernsey (UK)
9. Saint Martin
10. Wallis And Futuna
11. Saint Barthélemy
12. Saint Pierre and Miquelon