How many countries have spanish as there primary official language?

There are 20 countries where Spanish is an official language.

Here they are:

1. Argentina

2. Bolivia

3. Chile

4. Colombia

5. Costa Rica

6. Cuba

7. Dominican Republic

8. Ecuador

9. El Salvador

10. Equatorial Guinea

11. Guatemala

12. Honduras

13. Mexico

14. Nicaragua

15. Panama

16. Paraguay

17. Peru

18. Spain

19. Uruguay

20. Venezuela