| | City | Population |
| 1. | Luxembourg | 76,684 |
| 2. | Esch-sur-Alzette | 28,228 |
| 3. | Dudelange | 18,013 |
| 4. | Schifflange | 8,155 |
| 5. | Bettembourg | 7,437 |
| 6. | Petange | 7,187 |
| 7. | Ettelbruck | 6,364 |
| 8. | Diekirch | 6,242 |
| 9. | Strassen | 6,006 |
| 10. | Bertrange | 5,615 |
| 11. | Belvaux | 5,313 |
| 12. | Differdange | 5,296 |
| 13. | Mamer | 5,017 |
| 14. | Soleuvre | 4,988 |
| 15. | Wiltz | 4,816 |
| 16. | Echternach | 4,787 |
| 17. | Rodange | 4,683 |
| 18. | Obercorn | 4,666 |
| 19. | Bascharage | 4,645 |
| 20. | Kayl | 4,396 |
| 21. | Grevenmacher | 3,958 |
| 22. | Bereldange | 3,627 |
| 23. | Mersch | 3,464 |
| 24. | Mondercange | 3,306 |
| 25. | Remich | 3,187 |
| 26. | Niedercorn | 3,164 |
| 27. | Mondorf-les-Bains | 3,113 |
| 28. | Tetange | 2,929 |
| 29. | Bissen | 2,547 |
| 30. | Sandweiler | 2,522 |
| 31. | Sanem | 2,489 |
| 32. | Lamadelaine | 2,428 |
| 33. | Bridel | 2,404 |
| 34. | Junglinster | 2,358 |
| 35. | Wasserbillig | 2,327 |
| 36. | Steinfort | 2,225 |
| 37. | Helmsange | 2,193 |
| 38. | Hesperange | 1,937 |
| 39. | Leudelange | 1,924 |
| 40. | Steinsel | 1,879 |
| 41. | Itzig | 1,836 |
| 42. | Clemency | 1,821 |
| 43. | Colmar | 1,776 |
| 44. | Lintgen | 1,752 |
| 45. | Kehlen | 1,658 |
| 46. | Vianden | 1,626 |
| 47. | Heisdorf-sur-Alzette | 1,586 |
| 48. | Eischen | 1,559 |
| 49. | Bergem | 1,535 |
| 50. | Niederanven | 1,508 |
| 51. | Hautcharage | 1,495 |
| 52. | Mertzig | 1,482 |
| 53. | Gonderange | 1,469 |
| 54. | Olm | 1,459 |
| 55. | Troisvierges | 1,457 |
| 56. | Rollingen | 1,448 |
| 57. | Beaufort | 1,418 |
| 58. | Larochette | 1,410 |
| 59. | Schieren | 1,397 |
| 60. | Alzingen | 1,376 |
| 61. | Dalheim | 1,364 |
| 62. | Frisange | 1,355 |
| 63. | Capellen | 1,330 |
| 64. | Fentange | 1,302 |
| 65. | Crauthem | 1,278 |
| 66. | Consdorf | 1,241 |
| 67. | Warken | 1,188 |
| 68. | Moutfort | 1,171 |
| 69. | Redange-sur-Attert | 1,164 |
| 70. | Mertert | 1,163 |
| 71. | Niederfeulen | 1,125 |
| 72. | Clervaux | 1,103 |
| 73. | Schouweiler | 1,090 |
| 74. | Contern | 1,083 |
| 75. | Bettendorf | 1,072 |
| 76. | Koerich | 1,066 |
| 77. | Hobscheid | 1,051 |
| 78. | Schrassig | 1,051 |
| 79. | Mullendorf | 1,024 |
| 80. | Aspelt | 1,013 |
| 81. | Pontpierre | 1,009 |
| 82. | Noertzange | 999 |
| 83. | Bettange-sur-Mess | 992 |
| 84. | Hagen | 978 |
| 85. | Roodt-sur-Syre | 960 |
| 86. | Beringen | 956 |
| 87. | Canach | 955 |
| 88. | Medernach | 907 |
| 89. | Berdorf | 900 |
| 90. | Gilsdorf | 886 |
| 91. | Kleinbettingen | 872 |
| 92. | Berchem | 863 |
| 93. | Erpeldange-sur-Sure | 845 |
| 94. | Schuttrange | 841 |
| 95. | Ingeldorf | 833 |
| 96. | Garnich | 824 |
| 97. | Mensdorf | 813 |
| 98. | Hosingen | 811 |
| 99. | Dippach | 808 |
| 100. | Bofferdange | 802 |
The Source for World Rankings