The World: Population - Age 15-19 (2021) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 92. | Jordan | 698,527 | 2021 | |
| 73. | Kazakhstan | 1,299,746 | 2021 | |
| 17. | Kenya | 6,141,579 | 2021 | |
| 188. | Kiribati | 10,829 | 2021 | |
| 147. | Kosovo | 161,823 | 2021 | |
| 144. | Kuwait | 193,043 | 2021 | |
| 104. | Kyrgyzstan | 518,812 | 2021 | |
| 87. | Laos | 771,430 | 2021 | |
| 156. | Latvia | 95,174 | 2021 | |
| 124. | Lebanon | 293,888 | 2021 | |
| 142. | Lesotho | 195,964 | 2021 | |
| 102. | Liberia | 547,588 | 2021 | |
| 89. | Libya | 733,929 | 2021 | |
| 214. | Liechtenstein | 2,046 | 2021 | |
| 149. | Lithuania | 148,496 | 2021 | |
| 172. | Luxembourg | 33,149 | 2021 | |
| 173. | Macau | 31,471 | 2021 | |
| 151. | Macedonia | 119,580 | 2021 | |
| 36. | Madagascar | 3,065,037 | 2021 | |
| 54. | Malawi | 2,294,291 | 2021 | |
| 40. | Malaysia | 2,837,421 | 2021 | |
| 176. | Maldives | 28,308 | 2021 | |
| 57. | Mali | 2,008,147 | 2021 | |
| 184. | Malta | 20,368 | 2021 | |
| 193. | Marshall Islands | 7,981 | 2021 | |
| 110. | Mauritania | 425,426 | 2021 | |
| 155. | Mauritius | 95,258 | 2021 | |
| 174. | Mayotte | 31,385 | 2021 | |
| 11. | Mexico | 10,337,316 | 2021 | |
| 145. | Moldova | 186,360 | 2021 | |
| 219. | Monaco | 1,491 | 2021 | |
| 129. | Mongolia | 274,376 | 2021 | |
| 175. | Montenegro | 29,665 | 2021 | |
| 226. | Montserrat | 279 | 2021 | |
| 39. | Morocco | 2,860,245 | 2021 | |
| 34. | Mozambique | 3,365,677 | 2021 | |
| 23. | Myanmar | 4,837,106 | 2021 | |
| 133. | Namibia | 238,891 | 2021 | |
| 223. | Nauru | 749 | 2021 | |
| 35. | Nepal | 3,335,633 | 2021 | |
| 80. | Netherlands | 994,295 | 2021 | |
| 191. | Netherlands Antilles | 10,020 | 2021 | |
| 179. | New Caledonia | 21,677 | 2021 | |
| 122. | New Zealand | 298,732 | 2021 | |
| 99. | Nicaragua | 580,799 | 2021 | |
| 46. | Niger | 2,613,452 | 2021 | |
| 3. | Nigeria | 23,531,744 | 2021 | |
| 59. | North Korea | 1,794,406 | 2021 | |
| 211. | Northern Mariana Islands | 2,970 | 2021 | |
| 125. | Norway | 286,369 | 2021 | |
| 123. | Oman | 294,465 | 2021 | |
| 6. | Pakistan | 21,820,924 | 2021 | |
| 217. | Palau | 1,769 | 2021 | |
| 120. | Panama | 322,723 | 2021 | |
| 88. | Papua New Guinea | 751,627 | 2021 | |
| 98. | Paraguay | 598,347 | 2021 | |
| 44. | Peru | 2,688,104 | 2021 | |
| 10. | Philippines | 11,677,572 | 2021 | |
| 60. | Poland | 1,790,422 | 2021 | |
| 97. | Portugal | 609,374 | 2021 | |
| 135. | Puerto Rico | 237,369 | 2021 | |
| 154. | Qatar | 98,979 | 2021 | |
| 96. | Republic of Congo | 625,210 | 2021 | |
| 79. | Romania | 1,055,995 | 2021 | |
| 15. | Russia | 7,175,980 | 2021 | |
| 65. | Rwanda | 1,593,521 | 2021 | |
| 228. | Saint Barthélemy | 201 | 2021 | |
| 225. | Saint Helena | 462 | 2021 | |
| 209. | Saint Kitts and Nevis | 3,359 | 2021 | |
| 189. | Saint Lucia | 10,564 | 2021 | |
| 218. | Saint Martin | 1,648 | 2021 | |
| 227. | Saint Pierre and Miquelon | 260 | 2021 | |
| 195. | Saint Vincent and the Grenadines | 7,250 | 2021 | |
| 182. | Samoa | 20,989 | 2021 | |
| 215. | San Marino | 1,927 | 2021 | |
| 177. | Sao Tome and Principe | 25,578 | 2021 | |
| 51. | Saudi Arabia | 2,395,514 | 2021 | |
| 62. | Senegal | 1,762,512 | 2021 | |
| 113. | Serbia | 380,065 | 2021 | |
| 199. | Seychelles | 5,831 | 2021 | |
| 91. | Sierra Leone | 706,188 | 2021 | |
| 116. | Singapore | 361,498 | 2021 | |
| 212. | Sint Maarten | 2,564 | 2021 | |
| 127. | Slovakia | 283,830 | 2021 | |
| 159. | Slovenia | 89,171 | 2021 | |
| 162. | Solomon Islands | 71,181 | 2021 | |
| 74. | Somalia | 1,289,580 | 2021 | |
| 24. | South Africa | 4,529,860 | 2021 | |
| 53. | South Korea | 2,354,175 | 2021 | |
| 47. | Spain | 2,592,301 | 2021 | |
| 61. | Sri Lanka | 1,780,041 | 2021 | |
| 18. | Sudan | 6,105,493 | 2021 | |
| 169. | Suriname | 50,637 | 2021 | |
| 146. | Swaziland | 172,702 | 2021 | |
| 106. | Sweden | 493,035 | 2021 | |
| 111. | Switzerland | 391,659 | 2021 | |
| 50. | Syria | 2,435,980 | 2021 | |
| 78. | Taiwan | 1,119,258 | 2021 | |
| 84. | Tajikistan | 829,975 | 2021 | |
| 20. | Tanzania | 5,814,410 | 2021 |
