The World: Population - Age 15-19 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Belgium | 565,007 | 2020 | |
| 102. | Liberia | 534,966 | 2020 | |
| 103. | Greece | 519,550 | 2020 | |
| 104. | Kyrgyzstan | 505,122 | 2020 | |
| 105. | Hungary | 499,834 | 2020 | |
| 106. | Sweden | 491,048 | 2020 | |
| 107. | Czech Republic | 467,004 | 2020 | |
| 108. | Belarus | 444,998 | 2020 | |
| 109. | Turkmenistan | 437,347 | 2020 | |
| 110. | Mauritania | 417,530 | 2020 | |
| 111. | Switzerland | 396,750 | 2020 | |
| 112. | Austria | 396,041 | 2020 | |
| 113. | Serbia | 385,519 | 2020 | |
| 114. | Costa Rica | 371,841 | 2020 | |
| 115. | Singapore | 369,899 | 2020 | |
| 116. | United Arab Emirates | 350,846 | 2020 | |
| 117. | Denmark | 346,577 | 2020 | |
| 118. | Bulgaria | 329,989 | 2020 | |
| 119. | Panama | 322,031 | 2020 | |
| 120. | Ireland | 321,329 | 2020 | |
| 121. | West Bank | 302,846 | 2020 | |
| 122. | Lebanon | 298,334 | 2020 | |
| 123. | New Zealand | 297,304 | 2020 | |
| 124. | Oman | 295,666 | 2020 | |
| 125. | Norway | 291,083 | 2020 | |
| 126. | Jamaica | 288,547 | 2020 | |
| 127. | Finland | 283,602 | 2020 | |
| 128. | Slovakia | 281,305 | 2020 | |
| 129. | Hong Kong | 274,689 | 2020 | |
| 130. | Mongolia | 272,071 | 2020 | |
| 131. | Uruguay | 246,266 | 2020 | |
| 132. | Namibia | 244,637 | 2020 | |
| 133. | Puerto Rico | 244,630 | 2020 | |
| 134. | Gaza Strip | 237,550 | 2020 | |
| 135. | Botswana | 237,250 | 2020 | |
| 136. | The Gambia | 227,490 | 2020 | |
| 137. | Croatia | 215,935 | 2020 | |
| 138. | Georgia | 214,474 | 2020 | |
| 139. | Albania | 211,389 | 2020 | |
| 140. | Gabon | 209,120 | 2020 | |
| 141. | Guinea-Bissau | 201,943 | 2020 | |
| 142. | Bosnia and Herzegovina | 196,944 | 2020 | |
| 143. | Lesotho | 196,554 | 2020 | |
| 144. | Kuwait | 187,717 | 2020 | |
| 145. | Moldova | 185,155 | 2020 | |
| 146. | Swaziland | 171,400 | 2020 | |
| 147. | Kosovo | 163,747 | 2020 | |
| 148. | Armenia | 155,504 | 2020 | |
| 149. | Lithuania | 150,068 | 2020 | |
| 150. | East Timor | 127,654 | 2020 | |
| 151. | Macedonia | 122,956 | 2020 | |
| 152. | Bahrain | 101,101 | 2020 | |
| 153. | Comoros | 98,052 | 2020 | |
| 154. | Qatar | 97,511 | 2020 | |
| 155. | Mauritius | 96,378 | 2020 | |
| 156. | Latvia | 94,232 | 2020 | |
| 157. | Djibouti | 91,052 | 2020 | |
| 158. | Equatorial Guinea | 89,386 | 2020 | |
| 159. | Slovenia | 89,047 | 2020 | |
| 160. | Guyana | 79,900 | 2020 | |
| 161. | Fiji | 73,108 | 2020 | |
| 162. | Solomon Islands | 70,539 | 2020 | |
| 163. | Trinidad and Tobago | 70,104 | 2020 | |
| 164. | Bhutan | 68,536 | 2020 | |
| 165. | Cyprus | 67,074 | 2020 | |
| 166. | Western Sahara | 66,755 | 2020 | |
| 167. | Estonia | 61,757 | 2020 | |
| 168. | Cape Verde | 54,304 | 2020 | |
| 169. | Suriname | 51,441 | 2020 | |
| 170. | Belize | 38,953 | 2020 | |
| 171. | Brunei | 34,761 | 2020 | |
| 172. | Luxembourg | 33,196 | 2020 | |
| 173. | Macau | 30,809 | 2020 | |
| 174. | Mayotte | 30,478 | 2020 | |
| 175. | Montenegro | 29,536 | 2020 | |
| 176. | Maldives | 29,027 | 2020 | |
| 177. | Sao Tome and Principe | 25,117 | 2020 | |
| 178. | The Bahamas | 24,822 | 2020 | |
| 179. | New Caledonia | 21,915 | 2020 | |
| 180. | French Polynesia | 21,883 | 2020 | |
| 181. | Vanuatu | 21,747 | 2020 | |
| 182. | Iceland | 20,990 | 2020 | |
| 183. | Samoa | 20,924 | 2020 | |
| 184. | Malta | 20,447 | 2020 | |
| 185. | Barbados | 18,125 | 2020 | |
| 186. | Guam | 16,551 | 2020 | |
| 187. | Tonga | 10,994 | 2020 | |
| 188. | Kiribati | 10,940 | 2020 | |
| 189. | Saint Lucia | 10,822 | 2020 | |
| 190. | Federated States of Micronesia | 10,294 | 2020 | |
| 191. | Netherlands Antilles | 9,969 | 2020 | |
| 192. | Grenada | 8,225 | 2020 | |
| 193. | Marshall Islands | 7,829 | 2020 | |
| 194. | Antigua and Barbuda | 7,645 | 2020 | |
| 195. | Saint Vincent and the Grenadines | 7,484 | 2020 | |
| 196. | American Samoa | 6,846 | 2020 | |
| 197. | Aruba | 6,736 | 2020 | |
| 198. | U.S. Virgin Islands | 6,256 | 2020 | |
| 199. | Seychelles | 5,886 | 2020 | |
| 200. | Channel Islands | 5,581 | 2020 |
