The World: Population - Age 20-24 (2015) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 91. | Jordan | 633,074 | 2015 | |
| 64. | Kazakhstan | 1,557,400 | 2015 | |
| 27. | Kenya | 4,076,291 | 2015 | |
| 189. | Kiribati | 10,525 | 2015 | |
| 148. | Kosovo | 163,446 | 2015 | |
| 140. | Kuwait | 248,648 | 2015 | |
| 104. | Kyrgyzstan | 568,735 | 2015 | |
| 88. | Laos | 706,002 | 2015 | |
| 152. | Latvia | 131,572 | 2015 | |
| 119. | Lebanon | 357,299 | 2015 | |
| 145. | Lesotho | 191,347 | 2015 | |
| 127. | Liberia | 305,312 | 2015 | |
| 101. | Libya | 594,720 | 2015 | |
| 215. | Liechtenstein | 2,222 | 2015 | |
| 141. | Lithuania | 236,579 | 2015 | |
| 175. | Luxembourg | 33,943 | 2015 | |
| 171. | Macau | 44,803 | 2015 | |
| 151. | Macedonia | 148,212 | 2015 | |
| 51. | Madagascar | 2,287,305 | 2015 | |
| 57. | Malawi | 1,677,237 | 2015 | |
| 45. | Malaysia | 2,521,072 | 2015 | |
| 169. | Maldives | 50,918 | 2015 | |
| 69. | Mali | 1,371,342 | 2015 | |
| 177. | Malta | 26,622 | 2015 | |
| 201. | Marshall Islands | 5,323 | 2015 | |
| 120. | Mauritania | 334,407 | 2015 | |
| 155. | Mauritius | 107,200 | 2015 | |
| 185. | Mayotte | 16,450 | 2015 | |
| 9. | Mexico | 10,339,594 | 2015 | |
| 137. | Moldova | 265,916 | 2015 | |
| 220. | Monaco | 1,369 | 2015 | |
| 129. | Mongolia | 299,334 | 2015 | |
| 173. | Montenegro | 36,144 | 2015 | |
| 226. | Montserrat | 360 | 2015 | |
| 39. | Morocco | 2,872,697 | 2015 | |
| 46. | Mozambique | 2,478,212 | 2015 | |
| 20. | Myanmar | 5,128,567 | 2015 | |
| 139. | Namibia | 248,873 | 2015 | |
| 224. | Nauru | 741 | 2015 | |
| 31. | Nepal | 3,441,222 | 2015 | |
| 73. | Netherlands | 1,055,918 | 2015 | |
| 188. | Netherlands Antilles | 11,332 | 2015 | |
| 180. | New Caledonia | 22,980 | 2015 | |
| 126. | New Zealand | 310,405 | 2015 | |
| 90. | Nicaragua | 671,681 | 2015 | |
| 60. | Niger | 1,601,892 | 2015 | |
| 7. | Nigeria | 16,343,153 | 2015 | |
| 53. | North Korea | 2,068,718 | 2015 | |
| 211. | Northern Mariana Islands | 3,352 | 2015 | |
| 124. | Norway | 319,631 | 2015 | |
| 122. | Oman | 331,801 | 2015 | |
| 5. | Pakistan | 20,676,370 | 2015 | |
| 216. | Palau | 1,841 | 2015 | |
| 128. | Panama | 303,230 | 2015 | |
| 95. | Papua New Guinea | 618,114 | 2015 | |
| 89. | Paraguay | 687,887 | 2015 | |
| 38. | Peru | 2,917,442 | 2015 | |
| 10. | Philippines | 9,901,493 | 2015 | |
| 47. | Poland | 2,429,188 | 2015 | |
| 94. | Portugal | 623,821 | 2015 | |
| 134. | Puerto Rico | 275,517 | 2015 | |
| 144. | Qatar | 195,565 | 2015 | |
| 112. | Republic of Congo | 449,857 | 2015 | |
| 71. | Romania | 1,231,293 | 2015 | |
| 15. | Russia | 7,825,290 | 2015 | |
| 75. | Rwanda | 1,053,249 | 2015 | |
| 227. | Saint Barthélemy | 305 | 2015 | |
| 225. | Saint Helena | 452 | 2015 | |
| 208. | Saint Kitts and Nevis | 3,849 | 2015 | |
| 187. | Saint Lucia | 13,534 | 2015 | |
| 217. | Saint Martin | 1,772 | 2015 | |
| 228. | Saint Pierre and Miquelon | 214 | 2015 | |
| 193. | Saint Vincent and the Grenadines | 8,422 | 2015 | |
| 183. | Samoa | 18,840 | 2015 | |
| 218. | San Marino | 1,738 | 2015 | |
| 184. | Sao Tome and Principe | 16,906 | 2015 | |
| 40. | Saudi Arabia | 2,776,847 | 2015 | |
| 70. | Senegal | 1,328,032 | 2015 | |
| 113. | Serbia | 433,034 | 2015 | |
| 198. | Seychelles | 6,776 | 2015 | |
| 107. | Sierra Leone | 516,048 | 2015 | |
| 103. | Singapore | 586,026 | 2015 | |
| 212. | Sint Maarten | 3,279 | 2015 | |
| 118. | Slovakia | 358,738 | 2015 | |
| 156. | Slovenia | 102,288 | 2015 | |
| 166. | Solomon Islands | 58,732 | 2015 | |
| 83. | Somalia | 888,499 | 2015 | |
| 21. | South Africa | 4,936,443 | 2015 | |
| 32. | South Korea | 3,429,979 | 2015 | |
| 48. | Spain | 2,376,250 | 2015 | |
| 58. | Sri Lanka | 1,662,830 | 2015 | |
| 22. | Sudan | 4,811,237 | 2015 | |
| 170. | Suriname | 47,863 | 2015 | |
| 150. | Swaziland | 156,472 | 2015 | |
| 93. | Sweden | 625,129 | 2015 | |
| 111. | Switzerland | 477,568 | 2015 | |
| 52. | Syria | 2,233,657 | 2015 | |
| 61. | Taiwan | 1,592,566 | 2015 | |
| 85. | Tajikistan | 810,787 | 2015 | |
| 23. | Tanzania | 4,700,082 | 2015 |
