World's 50 Most Populous Countries: 2007 This table provides figures about the 50 most populous nations on Earth, from China to Romania. RankCountryPopulation 1. China1,321,851,888 2. India1,129,866,154 3. United States301,139,947 4. Indonesia234,693,997 5. Brazil190,010,647 6. Pakistan169,270,617 7. Bangladesh150,448,339 8. Russia141,377,752 9. Nigeria135,031,164 10. Japan127,467,972 11. Mexico108,700,891 12. Philippines91,077,287 13. Vietnam85,262,356 14. Germany82,400,996 15. Egypt80,264,543 16. Ethiopia76,511,887 17. Turkey71,158,647 18. Iran65,397,521 19. Thailand65,068,149 20.Congo, Dem. Rep.64,606,759 21. France61,083,916 22. United Kingdom60,776,238 23. Italy58,147,733 24. Korea, South49,044,790 25.Myanmar (Burma)47,373,958 26. Ukraine46,299,862 27. Colombia44,227,550 28. South Africa43,997,828 29. Sudan42,292,929 30. Spain40,448,191 31. Argentina40,301,927 32. Poland38,518,241 33. Tanzania38,139,640 34. Kenya36,913,721 35. Morocco33,757,175 36. Canada33,390,141 37. Algeria33,333,216 38. Afghanistan31,889,923 39. Uganda30,262,610 40. Nepal28,901,790 41. Peru28,674,757 42. Uzbekistan27,780,059 43. Saudi Arabia27,601,038 44. Iraq27,499,638 45. Venezuela26,084,662 46. Malaysia24,821,286 47. Korea, North23,301,725 48. Taiwan23,174,294 49. Ghana22,931,299 50. Romania22,276,056 Source:U.S. Census Bureau, International Database.