The World: Population - Age 20-24 (2018) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 128. | New Zealand | 302,204 | 2018 | |
| 127. | West Bank | 303,001 | 2018 | |
| 126. | Bulgaria | 309,127 | 2018 | |
| 125. | Slovakia | 310,482 | 2018 | |
| 124. | Finland | 314,382 | 2018 | |
| 123. | Panama | 318,240 | 2018 | |
| 122. | Norway | 318,508 | 2018 | |
| 121. | Jamaica | 319,397 | 2018 | |
| 120. | Lebanon | 329,161 | 2018 | |
| 119. | Oman | 336,976 | 2018 | |
| 118. | Mauritania | 357,074 | 2018 | |
| 117. | Hong Kong | 370,472 | 2018 | |
| 116. | Denmark | 375,941 | 2018 | |
| 115. | Liberia | 394,227 | 2018 | |
| 114. | Costa Rica | 410,661 | 2018 | |
| 113. | Serbia | 413,302 | 2018 | |
| 112. | Switzerland | 455,372 | 2018 | |
| 111. | Austria | 478,701 | 2018 | |
| 110. | Belarus | 494,771 | 2018 | |
| 109. | Czech Republic | 494,883 | 2018 | |
| 108. | Republic of Congo | 495,530 | 2018 | |
| 107. | Turkmenistan | 509,990 | 2018 | |
| 106. | United Arab Emirates | 514,647 | 2018 | |
| 105. | Kyrgyzstan | 522,951 | 2018 | |
| 104. | Greece | 527,542 | 2018 | |
| 103. | Central African Republic | 536,291 | 2018 | |
| 102. | Sweden | 540,427 | 2018 | |
| 101. | Sierra Leone | 541,147 | 2018 | |
| 100. | Hungary | 556,281 | 2018 | |
| 99. | Singapore | 576,661 | 2018 | |
| 98. | Belgium | 599,232 | 2018 | |
| 97. | Libya | 599,435 | 2018 | |
| 96. | Portugal | 610,883 | 2018 | |
| 95. | El Salvador | 619,090 | 2018 | |
| 94. | Israel | 625,494 | 2018 | |
| 93. | Jordan | 643,002 | 2018 | |
| 92. | Nicaragua | 646,469 | 2018 | |
| 91. | Papua New Guinea | 667,397 | 2018 | |
| 90. | Eritrea | 669,205 | 2018 | |
| 89. | Paraguay | 699,049 | 2018 | |
| 88. | Cuba | 701,512 | 2018 | |
| 87. | Laos | 718,548 | 2018 | |
| 86. | Togo | 732,407 | 2018 | |
| 85. | Tajikistan | 769,826 | 2018 | |
| 84. | Azerbaijan | 776,633 | 2018 | |
| 83. | Tunisia | 829,576 | 2018 | |
| 82. | Honduras | 927,889 | 2018 | |
| 81. | Somalia | 959,546 | 2018 | |
| 80. | Dominican Republic | 961,491 | 2018 | |
| 79. | Netherlands | 1,036,140 | 2018 | |
| 78. | Bolivia | 1,052,722 | 2018 | |
| 77. | Benin | 1,062,709 | 2018 | |
| 76. | Haiti | 1,101,755 | 2018 | |
| 75. | Romania | 1,147,811 | 2018 | |
| 74. | Burundi | 1,158,845 | 2018 | |
| 73. | Rwanda | 1,163,275 | 2018 | |
| 72. | Guinea | 1,163,498 | 2018 | |
| 71. | Chad | 1,194,854 | 2018 | |
| 70. | Kazakhstan | 1,358,477 | 2018 | |
| 69. | Chile | 1,374,231 | 2018 | |
| 68. | Senegal | 1,418,981 | 2018 | |
| 67. | Cambodia | 1,483,654 | 2018 | |
| 66. | Ecuador | 1,489,408 | 2018 | |
| 65. | Zimbabwe | 1,515,911 | 2018 | |
| 64. | Mali | 1,522,950 | 2018 | |
| 63. | Australia | 1,561,926 | 2018 | |
| 62. | Zambia | 1,568,106 | 2018 | |
| 61. | Taiwan | 1,573,081 | 2018 | |
| 60. | Sri Lanka | 1,608,886 | 2018 | |
| 59. | Guatemala | 1,651,295 | 2018 | |
| 58. | Malawi | 1,830,407 | 2018 | |
| 57. | Niger | 1,839,813 | 2018 | |
| 56. | Burkina Faso | 1,913,611 | 2018 | |
| 55. | North Korea | 2,004,938 | 2018 | |
| 54. | Angola | 2,065,476 | 2018 | |
| 53. | Poland | 2,119,105 | 2018 | |
| 52. | Cameroon | 2,120,578 | 2018 | |
| 51. | Canada | 2,207,275 | 2018 | |
| 50. | Syria | 2,278,806 | 2018 | |
| 49. | Ukraine | 2,312,387 | 2018 | |
| 48. | Spain | 2,356,115 | 2018 | |
| 47. | Cote d'Ivoire | 2,430,361 | 2018 | |
| 46. | Madagascar | 2,464,305 | 2018 | |
| 45. | Malaysia | 2,570,504 | 2018 | |
| 44. | Ghana | 2,610,365 | 2018 | |
| 43. | Mozambique | 2,726,686 | 2018 | |
| 42. | Venezuela | 2,739,512 | 2018 | |
| 41. | Saudi Arabia | 2,794,979 | 2018 | |
| 40. | Yemen | 2,824,722 | 2018 | |
| 39. | Uzbekistan | 2,878,175 | 2018 | |
| 38. | Morocco | 2,880,359 | 2018 | |
| 37. | Peru | 2,902,969 | 2018 | |
| 36. | Italy | 3,048,345 | 2018 | |
| 35. | Algeria | 3,247,934 | 2018 | |
| 34. | Iraq | 3,292,369 | 2018 | |
| 33. | Argentina | 3,343,663 | 2018 | |
| 32. | South Korea | 3,365,570 | 2018 | |
| 31. | Nepal | 3,644,525 | 2018 | |
| 30. | Afghanistan | 3,664,920 | 2018 | |
| 29. | France | 3,919,337 | 2018 |
