1. People’s Republic of China- 1,330,000,000

2. Republic of India- 1,152,000,000

3. United States of America- 305,000,000

4. Republic of Indonesia- 244,000,000

5. Federative Republic of Brazil- 197,000,000

6. Islamic Republic of Pakistan- 177,000,000

7. People’s Republic of Bangladesh- 158,000,000

8. Federal Republic of Nigeria- 151,000,000

9. Russian Federation- 143,000,000

10. State of Japan- 127,000,000

11. United Mexican States- 112,000,000

12. Republic of the Philippines- 93,000,000

13. Socialist Republic of Vietnam- 88,000,000

14. Federal Republic of Germany- 81,800,000

15. Federal Democratic Republic of Ethiopia- 80,000,000

16. Arab Republic of Egypt- 79,000,000

17. Islamic Republic of Iran- 74,000,000

18. Republic of Turkey- 73,000,000

19. Democratic Republic of the Congo (formerly Zaire)- 71,000,000

20. Thailand (formerly Siam)- 66,000,000

21. French Republic- 65,000,000

22. United Kingdom of Great Britain and Northern Ireland- 62,000,000

23. Italian Republic- 61,000,000

24. Republic of the Union of Myanmar- 50,000,000

25. Republic of South Africa- 49,900,000

26. Republic of Korea- 49,300,000

27. Kingdom of Spain- 46,000,000

28. Ukraine- 45,000,000

29. Republic of Colombia- 44,000,000

30. Republic of Sudan- 42,000,000