What countries are a federation?

1. Argentina

2. Australia

3. Austria

4. Belgium

5. Bosnia and Herzegovina

6. Brazil

7. Canada

8. Comoros

9. Ethiopia

10. Germany

11. India

12. Iraq

13. Malaysia

14. Mexico

15. Micronesia

16. Nepal

17. Nigeria

18. Pakistan

19. Russia

20. Saint Kitts and Nevis

21. Somalia

22. South Africa

23. Sudan

24. Switzerland

25. United Arab Emirates

26. United States of America