The World: Population - Age 20-24 (2017) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 93. | Jordan | 645,595 | 2017 | |
| 68. | Kazakhstan | 1,428,480 | 2017 | |
| 26. | Kenya | 4,147,237 | 2017 | |
| 189. | Kiribati | 10,997 | 2017 | |
| 150. | Kosovo | 156,389 | 2017 | |
| 137. | Kuwait | 257,228 | 2017 | |
| 102. | Kyrgyzstan | 538,426 | 2017 | |
| 87. | Laos | 712,724 | 2017 | |
| 154. | Latvia | 106,196 | 2017 | |
| 119. | Lebanon | 338,205 | 2017 | |
| 145. | Lesotho | 185,251 | 2017 | |
| 117. | Liberia | 358,736 | 2017 | |
| 98. | Libya | 592,547 | 2017 | |
| 215. | Liechtenstein | 2,261 | 2017 | |
| 142. | Lithuania | 206,056 | 2017 | |
| 174. | Luxembourg | 35,162 | 2017 | |
| 171. | Macau | 41,281 | 2017 | |
| 151. | Macedonia | 147,272 | 2017 | |
| 47. | Madagascar | 2,408,907 | 2017 | |
| 57. | Malawi | 1,777,512 | 2017 | |
| 45. | Malaysia | 2,564,862 | 2017 | |
| 170. | Maldives | 46,055 | 2017 | |
| 67. | Mali | 1,468,952 | 2017 | |
| 177. | Malta | 25,451 | 2017 | |
| 201. | Marshall Islands | 5,831 | 2017 | |
| 118. | Mauritania | 349,234 | 2017 | |
| 155. | Mauritius | 103,286 | 2017 | |
| 184. | Mayotte | 18,883 | 2017 | |
| 9. | Mexico | 10,333,226 | 2017 | |
| 140. | Moldova | 234,065 | 2017 | |
| 219. | Monaco | 1,443 | 2017 | |
| 129. | Mongolia | 288,556 | 2017 | |
| 175. | Montenegro | 31,909 | 2017 | |
| 226. | Montserrat | 369 | 2017 | |
| 39. | Morocco | 2,884,494 | 2017 | |
| 43. | Mozambique | 2,643,562 | 2017 | |
| 20. | Myanmar | 5,077,574 | 2017 | |
| 138. | Namibia | 254,096 | 2017 | |
| 224. | Nauru | 727 | 2017 | |
| 30. | Nepal | 3,609,085 | 2017 | |
| 78. | Netherlands | 1,037,597 | 2017 | |
| 188. | Netherlands Antilles | 11,543 | 2017 | |
| 178. | New Caledonia | 23,042 | 2017 | |
| 127. | New Zealand | 305,080 | 2017 | |
| 90. | Nicaragua | 662,548 | 2017 | |
| 58. | Niger | 1,756,376 | 2017 | |
| 6. | Nigeria | 17,234,368 | 2017 | |
| 54. | North Korea | 2,029,861 | 2017 | |
| 212. | Northern Mariana Islands | 3,076 | 2017 | |
| 124. | Norway | 319,394 | 2017 | |
| 120. | Oman | 335,865 | 2017 | |
| 5. | Pakistan | 21,189,520 | 2017 | |
| 217. | Palau | 1,867 | 2017 | |
| 126. | Panama | 312,517 | 2017 | |
| 91. | Papua New Guinea | 651,814 | 2017 | |
| 89. | Paraguay | 702,558 | 2017 | |
| 38. | Peru | 2,929,886 | 2017 | |
| 10. | Philippines | 10,205,076 | 2017 | |
| 52. | Poland | 2,213,423 | 2017 | |
| 96. | Portugal | 613,121 | 2017 | |
| 134. | Puerto Rico | 272,666 | 2017 | |
| 144. | Qatar | 193,992 | 2017 | |
| 111. | Republic of Congo | 480,051 | 2017 | |
| 71. | Romania | 1,162,919 | 2017 | |
| 17. | Russia | 6,813,867 | 2017 | |
| 74. | Rwanda | 1,121,985 | 2017 | |
| 227. | Saint Barthélemy | 312 | 2017 | |
| 225. | Saint Helena | 472 | 2017 | |
| 210. | Saint Kitts and Nevis | 3,711 | 2017 | |
| 187. | Saint Lucia | 13,297 | 2017 | |
| 218. | Saint Martin | 1,724 | 2017 | |
| 228. | Saint Pierre and Miquelon | 223 | 2017 | |
| 193. | Saint Vincent and the Grenadines | 8,153 | 2017 | |
| 182. | Samoa | 19,019 | 2017 | |
| 216. | San Marino | 1,873 | 2017 | |
| 185. | Sao Tome and Principe | 18,221 | 2017 | |
| 40. | Saudi Arabia | 2,796,253 | 2017 | |
| 70. | Senegal | 1,387,729 | 2017 | |
| 113. | Serbia | 422,216 | 2017 | |
| 198. | Seychelles | 6,567 | 2017 | |
| 103. | Sierra Leone | 530,403 | 2017 | |
| 99. | Singapore | 582,798 | 2017 | |
| 211. | Sint Maarten | 3,160 | 2017 | |
| 122. | Slovakia | 325,708 | 2017 | |
| 157. | Slovenia | 97,020 | 2017 | |
| 166. | Solomon Islands | 61,463 | 2017 | |
| 82. | Somalia | 911,398 | 2017 | |
| 23. | South Africa | 4,750,912 | 2017 | |
| 32. | South Korea | 3,419,505 | 2017 | |
| 49. | Spain | 2,353,966 | 2017 | |
| 60. | Sri Lanka | 1,634,103 | 2017 | |
| 21. | Sudan | 5,026,878 | 2017 | |
| 169. | Suriname | 48,965 | 2017 | |
| 149. | Swaziland | 158,055 | 2017 | |
| 101. | Sweden | 570,602 | 2017 | |
| 112. | Switzerland | 463,097 | 2017 | |
| 51. | Syria | 2,250,597 | 2017 | |
| 61. | Taiwan | 1,598,263 | 2017 | |
| 85. | Tajikistan | 765,545 | 2017 | |
| 22. | Tanzania | 4,935,788 | 2017 |
