The World: Population - Age 15-19 (2018) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Belgium | 573,385 | 2018 | |
| 102. | Greece | 514,086 | 2018 | |
| 103. | Liberia | 512,177 | 2018 | |
| 104. | Hungary | 501,370 | 2018 | |
| 105. | Kyrgyzstan | 495,397 | 2018 | |
| 106. | Sweden | 481,162 | 2018 | |
| 107. | Czech Republic | 460,741 | 2018 | |
| 108. | Belarus | 451,966 | 2018 | |
| 109. | Turkmenistan | 448,184 | 2018 | |
| 110. | Switzerland | 411,322 | 2018 | |
| 111. | Austria | 408,947 | 2018 | |
| 112. | Mauritania | 402,371 | 2018 | |
| 113. | Singapore | 385,904 | 2018 | |
| 114. | Costa Rica | 384,287 | 2018 | |
| 115. | Serbia | 378,462 | 2018 | |
| 116. | Denmark | 353,977 | 2018 | |
| 117. | United Arab Emirates | 325,279 | 2018 | |
| 118. | Bulgaria | 324,836 | 2018 | |
| 119. | Panama | 321,861 | 2018 | |
| 120. | Ireland | 310,332 | 2018 | |
| 121. | Lebanon | 307,856 | 2018 | |
| 122. | West Bank | 305,601 | 2018 | |
| 123. | Oman | 300,980 | 2018 | |
| 124. | Norway | 300,664 | 2018 | |
| 125. | Jamaica | 297,414 | 2018 | |
| 126. | New Zealand | 296,141 | 2018 | |
| 127. | Finland | 288,128 | 2018 | |
| 128. | Hong Kong | 282,224 | 2018 | |
| 129. | Slovakia | 279,184 | 2018 | |
| 130. | Mongolia | 271,381 | 2018 | |
| 131. | Puerto Rico | 258,654 | 2018 | |
| 132. | Namibia | 255,123 | 2018 | |
| 133. | Uruguay | 254,481 | 2018 | |
| 134. | Botswana | 237,848 | 2018 | |
| 135. | Albania | 233,574 | 2018 | |
| 136. | Georgia | 223,993 | 2018 | |
| 137. | Croatia | 223,224 | 2018 | |
| 138. | The Gambia | 219,566 | 2018 | |
| 139. | Gaza Strip | 219,459 | 2018 | |
| 140. | Bosnia and Herzegovina | 215,134 | 2018 | |
| 141. | Gabon | 199,760 | 2018 | |
| 142. | Lesotho | 196,231 | 2018 | |
| 143. | Guinea-Bissau | 194,932 | 2018 | |
| 144. | Moldova | 186,787 | 2018 | |
| 145. | Kuwait | 179,511 | 2018 | |
| 146. | Kosovo | 170,102 | 2018 | |
| 147. | Swaziland | 168,235 | 2018 | |
| 148. | Lithuania | 160,501 | 2018 | |
| 149. | Armenia | 158,869 | 2018 | |
| 150. | Macedonia | 130,112 | 2018 | |
| 151. | East Timor | 127,757 | 2018 | |
| 152. | Bahrain | 99,333 | 2018 | |
| 153. | Mauritius | 97,729 | 2018 | |
| 154. | Qatar | 93,723 | 2018 | |
| 155. | Latvia | 91,979 | 2018 | |
| 156. | Djibouti | 91,833 | 2018 | |
| 157. | Comoros | 91,281 | 2018 | |
| 158. | Slovenia | 88,918 | 2018 | |
| 159. | Equatorial Guinea | 84,999 | 2018 | |
| 160. | Guyana | 83,251 | 2018 | |
| 161. | Fiji | 71,944 | 2018 | |
| 162. | Trinidad and Tobago | 71,325 | 2018 | |
| 163. | Bhutan | 69,588 | 2018 | |
| 164. | Solomon Islands | 68,947 | 2018 | |
| 165. | Cyprus | 68,700 | 2018 | |
| 166. | Western Sahara | 63,589 | 2018 | |
| 167. | Estonia | 60,485 | 2018 | |
| 168. | Cape Verde | 55,448 | 2018 | |
| 169. | Suriname | 53,564 | 2018 | |
| 170. | Belize | 38,409 | 2018 | |
| 171. | Brunei | 35,488 | 2018 | |
| 172. | Luxembourg | 33,037 | 2018 | |
| 173. | Maldives | 31,610 | 2018 | |
| 174. | Montenegro | 29,530 | 2018 | |
| 175. | Macau | 29,247 | 2018 | |
| 176. | Mayotte | 28,802 | 2018 | |
| 177. | The Bahamas | 25,447 | 2018 | |
| 178. | Sao Tome and Principe | 23,995 | 2018 | |
| 179. | French Polynesia | 22,593 | 2018 | |
| 180. | New Caledonia | 22,561 | 2018 | |
| 181. | Vanuatu | 21,939 | 2018 | |
| 182. | Iceland | 21,412 | 2018 | |
| 183. | Malta | 21,328 | 2018 | |
| 184. | Samoa | 20,676 | 2018 | |
| 185. | Barbados | 18,226 | 2018 | |
| 186. | Guam | 17,147 | 2018 | |
| 187. | Saint Lucia | 11,544 | 2018 | |
| 188. | Kiribati | 11,489 | 2018 | |
| 189. | Tonga | 11,150 | 2018 | |
| 190. | Federated States of Micronesia | 10,707 | 2018 | |
| 191. | Netherlands Antilles | 9,808 | 2018 | |
| 192. | Grenada | 8,017 | 2018 | |
| 193. | Saint Vincent and the Grenadines | 7,956 | 2018 | |
| 194. | Antigua and Barbuda | 7,951 | 2018 | |
| 195. | Marshall Islands | 7,656 | 2018 | |
| 196. | American Samoa | 6,790 | 2018 | |
| 197. | Aruba | 6,757 | 2018 | |
| 198. | U.S. Virgin Islands | 6,284 | 2018 | |
| 199. | Seychelles | 5,905 | 2018 | |
| 200. | Channel Islands | 5,806 | 2018 |
