The World: Population - Age 20-24 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 128. | Bulgaria | 296,877 | 2020 | |
| 127. | Finland | 300,057 | 2020 | |
| 126. | New Zealand | 300,535 | 2020 | |
| 125. | Ireland | 303,782 | 2020 | |
| 124. | West Bank | 307,499 | 2020 | |
| 123. | Jamaica | 312,455 | 2020 | |
| 122. | Lebanon | 312,768 | 2020 | |
| 121. | Norway | 316,104 | 2020 | |
| 120. | Panama | 324,015 | 2020 | |
| 119. | Hong Kong | 326,655 | 2020 | |
| 118. | Oman | 334,850 | 2020 | |
| 117. | Denmark | 369,896 | 2020 | |
| 116. | Mauritania | 372,072 | 2020 | |
| 115. | Serbia | 388,634 | 2020 | |
| 114. | Costa Rica | 402,638 | 2020 | |
| 113. | Switzerland | 444,522 | 2020 | |
| 112. | Austria | 452,629 | 2020 | |
| 111. | Liberia | 455,770 | 2020 | |
| 110. | Czech Republic | 461,065 | 2020 | |
| 109. | Belarus | 461,690 | 2020 | |
| 108. | Turkmenistan | 473,688 | 2020 | |
| 107. | Sweden | 496,371 | 2020 | |
| 106. | Kyrgyzstan | 503,985 | 2020 | |
| 105. | Hungary | 519,487 | 2020 | |
| 104. | Greece | 524,429 | 2020 | |
| 103. | Republic of Congo | 526,644 | 2020 | |
| 102. | United Arab Emirates | 531,985 | 2020 | |
| 101. | Central African Republic | 558,149 | 2020 | |
| 100. | Singapore | 561,967 | 2020 | |
| 99. | Sierra Leone | 565,859 | 2020 | |
| 98. | Belgium | 592,216 | 2020 | |
| 97. | El Salvador | 602,562 | 2020 | |
| 96. | Nicaragua | 618,535 | 2020 | |
| 95. | Portugal | 621,330 | 2020 | |
| 94. | Libya | 630,810 | 2020 | |
| 93. | Jordan | 636,832 | 2020 | |
| 92. | Israel | 649,982 | 2020 | |
| 91. | Paraguay | 667,997 | 2020 | |
| 90. | Papua New Guinea | 695,620 | 2020 | |
| 89. | Azerbaijan | 698,993 | 2020 | |
| 88. | Cuba | 704,248 | 2020 | |
| 87. | Eritrea | 715,956 | 2020 | |
| 86. | Laos | 748,952 | 2020 | |
| 85. | Togo | 758,703 | 2020 | |
| 84. | Tunisia | 764,303 | 2020 | |
| 83. | Tajikistan | 795,309 | 2020 | |
| 82. | Honduras | 951,866 | 2020 | |
| 81. | Dominican Republic | 972,298 | 2020 | |
| 80. | Netherlands | 1,046,581 | 2020 | |
| 79. | Somalia | 1,062,766 | 2020 | |
| 78. | Bolivia | 1,074,727 | 2020 | |
| 77. | Haiti | 1,117,856 | 2020 | |
| 76. | Benin | 1,133,706 | 2020 | |
| 75. | Romania | 1,134,251 | 2020 | |
| 74. | Kazakhstan | 1,225,328 | 2020 | |
| 73. | Guinea | 1,235,298 | 2020 | |
| 72. | Burundi | 1,242,057 | 2020 | |
| 71. | Chad | 1,269,470 | 2020 | |
| 70. | Rwanda | 1,318,131 | 2020 | |
| 69. | Chile | 1,332,984 | 2020 | |
| 68. | Cambodia | 1,420,892 | 2020 | |
| 67. | Senegal | 1,483,792 | 2020 | |
| 66. | Taiwan | 1,498,951 | 2020 | |
| 65. | Ecuador | 1,511,494 | 2020 | |
| 64. | Zimbabwe | 1,541,013 | 2020 | |
| 63. | Australia | 1,546,529 | 2020 | |
| 62. | Sri Lanka | 1,576,650 | 2020 | |
| 61. | Mali | 1,642,009 | 2020 | |
| 60. | Zambia | 1,660,527 | 2020 | |
| 59. | Guatemala | 1,665,415 | 2020 | |
| 58. | North Korea | 1,934,322 | 2020 | |
| 57. | Malawi | 1,949,582 | 2020 | |
| 56. | Poland | 1,953,002 | 2020 | |
| 55. | Niger | 2,014,178 | 2020 | |
| 54. | Burkina Faso | 2,026,209 | 2020 | |
| 53. | Ukraine | 2,085,924 | 2020 | |
| 52. | Canada | 2,124,981 | 2020 | |
| 51. | Angola | 2,196,001 | 2020 | |
| 50. | Cameroon | 2,224,114 | 2020 | |
| 49. | Syria | 2,338,816 | 2020 | |
| 48. | Spain | 2,417,034 | 2020 | |
| 47. | Cote d'Ivoire | 2,543,325 | 2020 | |
| 46. | Madagascar | 2,582,448 | 2020 | |
| 45. | Malaysia | 2,614,430 | 2020 | |
| 44. | Ghana | 2,656,231 | 2020 | |
| 43. | Uzbekistan | 2,672,949 | 2020 | |
| 42. | Venezuela | 2,737,752 | 2020 | |
| 41. | Saudi Arabia | 2,792,483 | 2020 | |
| 40. | Peru | 2,796,182 | 2020 | |
| 39. | Morocco | 2,857,001 | 2020 | |
| 38. | Mozambique | 2,875,138 | 2020 | |
| 37. | Algeria | 2,962,161 | 2020 | |
| 36. | Yemen | 2,987,984 | 2020 | |
| 35. | Italy | 3,037,704 | 2020 | |
| 34. | South Korea | 3,206,102 | 2020 | |
| 33. | Argentina | 3,389,661 | 2020 | |
| 32. | Iraq | 3,447,380 | 2020 | |
| 31. | Nepal | 3,617,215 | 2020 | |
| 30. | Afghanistan | 3,910,611 | 2020 | |
| 29. | United Kingdom | 3,963,029 | 2020 |
