According to Infoplease.
World's 50 Most Populous Countries: 2007
Rank Country Population
1. China 1,321,851,888
2. India 1,129,866,154
3. United States 301,139,947
4. Indonesia 234,693,997
5. Brazil 190,010,647
6. Pakistan 169,270,617
7. Bangladesh 150,448,339
8. Russia 141,377,752
9. Nigeria 135,031,164
10. Japan 127,467,972
11. Mexico 108,700,891
12. Philippines 91,077,287
13. Vietnam 85,262,356
14. Germany 82,400,996
15. Egypt 80,264,543
16. Ethiopia 76,511,887
17. Turkey 71,158,647
18. Iran 65,397,521
19. Thailand 65,068,149
20. Congo, Dem. Rep. 64,606,759
21. France 61,083,916
22. United Kingdom 60,776,238
23. Italy 58,147,733
24. Korea, South 49,044,790
25. Myanmar
(Burma) 47,373,958
26. Ukraine 46,299,862
27. Colombia 44,227,550
28. South Africa 43,997,828
29. Sudan 42,292,929
30. Spain 40,448,191
31. Argentina 40,301,927
32. Poland 38,518,241
33. Tanzania 38,139,640
34. Kenya 36,913,721
35. Morocco 33,757,175
36. Canada 33,390,141
37. Algeria 33,333,216
38. Afghanistan 31,889,923
39. Uganda 30,262,610
40. Nepal 28,901,790
41. Peru 28,674,757
42. Uzbekistan 27,780,059
43. Saudi Arabia 27,601,038
44. Iraq 27,499,638
45. Venezuela 26,084,662
46. Malaysia 24,821,286
47. Korea, North 23,301,725
48. Taiwan 23,174,294
49. Ghana 22,931,299
50. Romania 22,276,056